{"title":"Sundstrand Series 25 Piston Pump \u0026 Motor Parts","description":"Sundstrand Series 25 hydrostatic piston pump and motor parts and overhaul seal kits for the SPV2\/166 variable pump, SMF2\/166 fixed motor and SMV2\/166 variable motor. 2-year warranty and 24-72 hour shipping on in-stock parts.\u003cp\u003e\u003cstrong\u003eSeries 20-27 variable pump manuals:\u003c\/strong\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0536\/5048\/9544\/files\/RESTOPOWER_Sundstrand_Series_20-27_Variable_Pump_Parts_520L0910.pdf?v=1789141030\" target=\"_blank\" rel=\"noopener\"\u003eSeries 20-27 Pump Parts Manual (PDF, 0.8 MB)\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0536\/5048\/9544\/files\/RESTOPOWER_Sundstrand_Series_20_Pump_Service_Manual_L1003506.pdf?v=1789141030\" target=\"_blank\" rel=\"noopener\"\u003eSeries 20 Pump Service Manual (PDF, 1.3 MB)\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0536\/5048\/9544\/files\/RESTOPOWER_Sundstrand_Series_20_MCV104A_EDC_Installation_11152399.pdf?v=1794116102\" target=\"_blank\" rel=\"noopener\"\u003eSeries 20 MCV104A EDC Installation Guide (PDF, 1.4 MB)\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSeries 20-27 motor manuals:\u003c\/strong\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0536\/5048\/9544\/files\/RESTOPOWER_Sundstrand_Series_20-27_Fixed_Motor_Parts_520L0911.pdf?v=1789141032\" target=\"_blank\" rel=\"noopener\"\u003eSeries 20-27 Fixed Motor Parts Manual (PDF, 0.6 MB)\u003c\/a\u003e | \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0536\/5048\/9544\/files\/RESTOPOWER_Sundstrand_Series_20-27_Variable_Motor_Parts_520L0912.pdf?v=1789140644\" target=\"_blank\" rel=\"noopener\"\u003eSeries 20-27 Variable Motor Parts Manual (PDF, 0.8 MB)\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"sundstrand-series-25-pump-overhaul-seal-kit-9510239","title":"Sundstrand 9510239 Overhaul Seal Kit Series 25 Pump","description":"\u003cp\u003e\u003cstrong\u003eSundstrand 9510239 Overhaul Seal Kit\u003c\/strong\u003e for the Sundstrand (Sauer-Danfoss) Series 25 variable pump, model SPV2\/166.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Number\u003c\/td\u003e\n\u003ctd\u003e9510239\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Type\u003c\/td\u003e\n\u003ctd\u003eOverhaul Seal Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOEM or aftermarket equivalent to Sundstrand \/ Danfoss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSeries 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsed On\u003c\/td\u003e\n\u003ctd\u003eVariable Pump (SPV2\/166)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDanfoss Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by Danfoss (Danfoss PowerSource, checked 2026-11-11). We may still be able to find it through our large partner network, so ask us.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Data Source\u003c\/td\u003e\n\u003ctd\u003eDanfoss Series 20-27 Variable Pump Parts Manual 520L0910, p. 7 (SPV2\/166); Danfoss PowerSource, checked 2026-11-11 (OVERHAUL SEAL KIT-25 PV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailability\u003c\/td\u003e\n\u003ctd\u003eAvailable to order, request a quote for current price and lead time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eCompatible With\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eSundstrand \/ Sauer-Danfoss Series 25 variable pump (SPV2\/166)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eCross Reference\u003c\/h2\u003e\u003cp\u003e9510239, Sundstrand 9510239, Sauer-Danfoss 9510239, Danfoss 9510239\u003c\/p\u003e\u003ch2\u003eCommon Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIndustrial hydraulic power units and machinery\u003c\/li\u003e\n\u003cli\u003eMobile, construction and agricultural equipment\u003c\/li\u003e\n\u003cli\u003ePump rebuilds and scheduled overhauls\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGuides \u0026amp; Catalogs\u003c\/h2\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin:8px 0\"\u003e\n\u003ca href=\"\/es\/collections\/sundstrand-series-25-pump-parts\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSundstrand Series 25 Parts\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003ePump and motor parts and seal kits for the Series 25.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView parts →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/products\/sundstrand-series-25-fixed-motor-overhaul-seal-kit-9510240\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eFixed Motor Kit 9510240\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eOverhaul seal kit for the Series 25 fixed motor (SMF2\/166).\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView kit →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/products\/sundstrand-series-25-variable-motor-overhaul-seal-kit-9510241\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eVariable Motor Kit 9510241\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eOverhaul seal kit for the Series 25 variable motor (SMV2\/166).\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView kit →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0536\/5048\/9544\/files\/RESTOPOWER_Sundstrand_Series_20-27_Variable_Pump_Parts_520L0910.pdf?v=1789141030\" target=\"_blank\" rel=\"noopener\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSeries 20-27 Pump Parts Manual (PDF)\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eDanfoss 520L0910: exploded views and service part numbers for the Series 20-27 variable pumps.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eDownload PDF →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/pages\/sundstrand-piston-pumps\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSundstrand Piston Pumps\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eSeries 15 to 90, by series and frame.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eBrowse series →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/pages\/sundstrand-seal-kits\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSundstrand Seal Kits\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eOverhaul seal kits by series.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView seal kits →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/pages\/sundstrand\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eShop All Sundstrand Parts\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003ePumps, motors, seal kits and repair parts.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eBrowse parts →\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill Sundstrand 9510239 fit my unit?\u003c\/strong\u003e\u003cbr\u003eIt is the overhaul seal kit Danfoss lists for the Series 25 variable pump, model SPV2\/166. Send the model code, serial number and date code from your nameplate to \u003ca href=\"mailto:info@restopower.com\"\u003einfo@restopower.com\u003c\/a\u003e and we will confirm fitment before you order. Danfoss changed several parts by date code, so the date code decides which number your unit takes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich kit do the other Series 25 units take?\u003c\/strong\u003e\u003cbr\u003eDanfoss lists a separate overhaul seal kit for each Series 25 unit type: 9510240 (fixed motor) and 9510241 (variable motor). A hydrostatic drive often pairs a pump with a motor, so check the nameplate on each unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the shaft seal part of this kit?\u003c\/strong\u003e\u003cbr\u003eDanfoss lists the Series 25 shaft seal kit under its own number, 050302 (Danfoss 520L0910, item 1). Tell us if you need both and we will quote them together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDanfoss lists this kit as discontinued. Can you still get it?\u003c\/strong\u003e\u003cbr\u003eDanfoss PowerSource marks 9510239 as discontinued (checked 2026-11-11). We may still be able to find it through our large partner network, so send us the part number and we will look.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy is there no price shown?\u003c\/strong\u003e\u003cbr\u003eThis part is quoted rather than stocked on the shelf. Send us the part number and we will come back with current price and lead time. A request for a quote does not mean we cannot get it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat if my pump or motor came off OEM equipment?\u003c\/strong\u003e\u003cbr\u003eCheck before you order. Sundstrand and Danfoss built special versions for equipment makers, and some of those use parts that differ from the standard unit. Send the full model code and serial number and we will check it against the Danfoss data first.\u003c\/p\u003e\u003ch2\u003eAbout RestoPower\u003c\/h2\u003e\u003cp\u003eRestoPower specializes in hard-to-find and obsolete hydraulic components, Parker, Vickers, Eaton, Denison, Char-Lynn, Oilgear, Rexroth, Sundstrand and more. Email \u003ca href=\"mailto:info@restopower.com\"\u003einfo@restopower.com\u003c\/a\u003e or call (810) 882-1171 for fitment help.\u003c\/p\u003e","brand":"RestoPower","offers":[{"title":"Default Title","offer_id":45254165561544,"sku":"RP9510239","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0536\/5048\/9544\/files\/rp-quote-placeholder-1200.webp?v=1792358061"},{"product_id":"sundstrand-series-25-fixed-motor-overhaul-seal-kit-9510240","title":"Sundstrand 9510240 Overhaul Seal Kit Series 25 Fixed Motor","description":"\u003cp\u003e\u003cstrong\u003eSundstrand 9510240 Overhaul Seal Kit\u003c\/strong\u003e for the Sundstrand (Sauer-Danfoss) Series 25 fixed motor, model SMF2\/166.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Number\u003c\/td\u003e\n\u003ctd\u003e9510240\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Type\u003c\/td\u003e\n\u003ctd\u003eOverhaul Seal Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOEM or aftermarket equivalent to Sundstrand \/ Danfoss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSeries 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsed On\u003c\/td\u003e\n\u003ctd\u003eFixed Motor (SMF2\/166)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDanfoss Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by Danfoss (Danfoss PowerSource, checked 2026-11-11). We may still be able to find it through our large partner network, so ask us.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Data Source\u003c\/td\u003e\n\u003ctd\u003eDanfoss Series 20-27 Fixed Motor Parts Manual 520L0911, p. 5 (SMF2\/166); Danfoss PowerSource, checked 2026-11-11 (OVERHAUL SEAL KIT-25 MF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailability\u003c\/td\u003e\n\u003ctd\u003eAvailable to order, request a quote for current price and lead time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eCompatible With\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eSundstrand \/ Sauer-Danfoss Series 25 fixed motor (SMF2\/166)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eCross Reference\u003c\/h2\u003e\u003cp\u003e9510240, Sundstrand 9510240, Sauer-Danfoss 9510240, Danfoss 9510240\u003c\/p\u003e\u003ch2\u003eCommon Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIndustrial hydraulic power units and machinery\u003c\/li\u003e\n\u003cli\u003eMobile, construction and agricultural equipment\u003c\/li\u003e\n\u003cli\u003ePump rebuilds and scheduled overhauls\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGuides \u0026amp; Catalogs\u003c\/h2\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin:8px 0\"\u003e\n\u003ca href=\"\/es\/collections\/sundstrand-series-25-pump-parts\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSundstrand Series 25 Parts\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003ePump and motor parts and seal kits for the Series 25.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView parts →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/products\/sundstrand-series-25-pump-overhaul-seal-kit-9510239\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003ePump Kit 9510239\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eOverhaul seal kit for the Series 25 variable pump (SPV2\/166).\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView kit →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/products\/sundstrand-series-25-variable-motor-overhaul-seal-kit-9510241\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eVariable Motor Kit 9510241\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eOverhaul seal kit for the Series 25 variable motor (SMV2\/166).\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView kit →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0536\/5048\/9544\/files\/RESTOPOWER_Sundstrand_Series_20-27_Fixed_Motor_Parts_520L0911.pdf?v=1789141032\" target=\"_blank\" rel=\"noopener\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSeries 20-27 Fixed Motor Parts Manual (PDF)\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eDanfoss 520L0911: exploded view and service part numbers for the Series 20-27 fixed motors.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eDownload PDF →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/pages\/sundstrand-piston-pumps\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSundstrand Piston Pumps\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eSeries 15 to 90, by series and frame.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eBrowse series →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/pages\/sundstrand-seal-kits\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSundstrand Seal Kits\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eOverhaul seal kits by series.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView seal kits →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/pages\/sundstrand\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eShop All Sundstrand Parts\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003ePumps, motors, seal kits and repair parts.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eBrowse parts →\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill Sundstrand 9510240 fit my unit?\u003c\/strong\u003e\u003cbr\u003eIt is the overhaul seal kit Danfoss lists for the Series 25 fixed motor, model SMF2\/166. Send the model code, serial number and date code from your nameplate to \u003ca href=\"mailto:info@restopower.com\"\u003einfo@restopower.com\u003c\/a\u003e and we will confirm fitment before you order. Danfoss changed several parts by date code, so the date code decides which number your unit takes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich kit do the other Series 25 units take?\u003c\/strong\u003e\u003cbr\u003eDanfoss lists a separate overhaul seal kit for each Series 25 unit type: 9510239 (variable pump) and 9510241 (variable motor). A hydrostatic drive often pairs a pump with a motor, so check the nameplate on each unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the shaft seal part of this kit?\u003c\/strong\u003e\u003cbr\u003eDanfoss lists the Series 25 shaft seal kit under its own number, 050302 (Danfoss 520L0911, item 1). Tell us if you need both and we will quote them together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDanfoss lists this kit as discontinued. Can you still get it?\u003c\/strong\u003e\u003cbr\u003eDanfoss PowerSource marks 9510240 as discontinued (checked 2026-11-11). We may still be able to find it through our large partner network, so send us the part number and we will look.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy is there no price shown?\u003c\/strong\u003e\u003cbr\u003eThis part is quoted rather than stocked on the shelf. Send us the part number and we will come back with current price and lead time. A request for a quote does not mean we cannot get it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat if my pump or motor came off OEM equipment?\u003c\/strong\u003e\u003cbr\u003eCheck before you order. Sundstrand and Danfoss built special versions for equipment makers, and some of those use parts that differ from the standard unit. Send the full model code and serial number and we will check it against the Danfoss data first.\u003c\/p\u003e\u003ch2\u003eAbout RestoPower\u003c\/h2\u003e\u003cp\u003eRestoPower specializes in hard-to-find and obsolete hydraulic components, Parker, Vickers, Eaton, Denison, Char-Lynn, Oilgear, Rexroth, Sundstrand and more. Email \u003ca href=\"mailto:info@restopower.com\"\u003einfo@restopower.com\u003c\/a\u003e or call (810) 882-1171 for fitment help.\u003c\/p\u003e","brand":"RestoPower","offers":[{"title":"Default Title","offer_id":45254165594312,"sku":"RP9510240","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0536\/5048\/9544\/files\/rp-quote-placeholder-1200.webp?v=1792358061"},{"product_id":"sundstrand-series-25-variable-motor-overhaul-seal-kit-9510241","title":"Sundstrand 9510241 Overhaul Seal Kit Series 25 Variable Motor","description":"\u003cp\u003e\u003cstrong\u003eSundstrand 9510241 Overhaul Seal Kit\u003c\/strong\u003e for the Sundstrand (Sauer-Danfoss) Series 25 variable motor, model SMV2\/166.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Number\u003c\/td\u003e\n\u003ctd\u003e9510241\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Type\u003c\/td\u003e\n\u003ctd\u003eOverhaul Seal Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOEM or aftermarket equivalent to Sundstrand \/ Danfoss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSeries 25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsed On\u003c\/td\u003e\n\u003ctd\u003eVariable Motor (SMV2\/166)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDanfoss Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by Danfoss (Danfoss PowerSource, checked 2026-11-11). We may still be able to find it through our large partner network, so ask us.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Data Source\u003c\/td\u003e\n\u003ctd\u003eDanfoss Series 20-27 Variable Motor Parts Manual 520L0912, p. 7 (SMV2\/166); Danfoss PowerSource, checked 2026-11-11 (OVERHAUL SEAL KIT-25 MV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailability\u003c\/td\u003e\n\u003ctd\u003eAvailable to order, request a quote for current price and lead time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eCompatible With\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eSundstrand \/ Sauer-Danfoss Series 25 variable motor (SMV2\/166)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eCross Reference\u003c\/h2\u003e\u003cp\u003e9510241, Sundstrand 9510241, Sauer-Danfoss 9510241, Danfoss 9510241\u003c\/p\u003e\u003ch2\u003eCommon Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIndustrial hydraulic power units and machinery\u003c\/li\u003e\n\u003cli\u003eMobile, construction and agricultural equipment\u003c\/li\u003e\n\u003cli\u003ePump rebuilds and scheduled overhauls\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGuides \u0026amp; Catalogs\u003c\/h2\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:12px;margin:8px 0\"\u003e\n\u003ca href=\"\/es\/collections\/sundstrand-series-25-pump-parts\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSundstrand Series 25 Parts\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003ePump and motor parts and seal kits for the Series 25.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView parts →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/products\/sundstrand-series-25-pump-overhaul-seal-kit-9510239\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003ePump Kit 9510239\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eOverhaul seal kit for the Series 25 variable pump (SPV2\/166).\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView kit →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/products\/sundstrand-series-25-fixed-motor-overhaul-seal-kit-9510240\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eFixed Motor Kit 9510240\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eOverhaul seal kit for the Series 25 fixed motor (SMF2\/166).\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView kit →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0536\/5048\/9544\/files\/RESTOPOWER_Sundstrand_Series_20-27_Variable_Motor_Parts_520L0912.pdf?v=1789140644\" target=\"_blank\" rel=\"noopener\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSeries 20-27 Variable Motor Parts Manual (PDF)\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eDanfoss 520L0912: exploded view and service part numbers for the Series 20-27 variable motors.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eDownload PDF →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/pages\/sundstrand-piston-pumps\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSundstrand Piston Pumps\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eSeries 15 to 90, by series and frame.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eBrowse series →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/pages\/sundstrand-seal-kits\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eSundstrand Seal Kits\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eOverhaul seal kits by series.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView seal kits →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/es\/pages\/sundstrand\" style=\"flex:1 1 230px;border:1px solid #d9d9d9;border-radius:12px;background:#fff;padding:14px 16px;text-decoration:none;color:#111\"\u003e\u003cstrong style=\"display:block;font-size:15px;margin-bottom:4px\"\u003eShop All Sundstrand Parts\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003ePumps, motors, seal kits and repair parts.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eBrowse parts →\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill Sundstrand 9510241 fit my unit?\u003c\/strong\u003e\u003cbr\u003eIt is the overhaul seal kit Danfoss lists for the Series 25 variable motor, model SMV2\/166. Send the model code, serial number and date code from your nameplate to \u003ca href=\"mailto:info@restopower.com\"\u003einfo@restopower.com\u003c\/a\u003e and we will confirm fitment before you order. Danfoss changed several parts by date code, so the date code decides which number your unit takes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich kit do the other Series 25 units take?\u003c\/strong\u003e\u003cbr\u003eDanfoss lists a separate overhaul seal kit for each Series 25 unit type: 9510239 (variable pump) and 9510240 (fixed motor). A hydrostatic drive often pairs a pump with a motor, so check the nameplate on each unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the shaft seal part of this kit?\u003c\/strong\u003e\u003cbr\u003eDanfoss lists the Series 25 shaft seal kit under its own number, 050302 (Danfoss 520L0912, item 1). Tell us if you need both and we will quote them together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDanfoss lists this kit as discontinued. Can you still get it?\u003c\/strong\u003e\u003cbr\u003eDanfoss PowerSource marks 9510241 as discontinued (checked 2026-11-11). We may still be able to find it through our large partner network, so send us the part number and we will look.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy is there no price shown?\u003c\/strong\u003e\u003cbr\u003eThis part is quoted rather than stocked on the shelf. Send us the part number and we will come back with current price and lead time. A request for a quote does not mean we cannot get it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat if my pump or motor came off OEM equipment?\u003c\/strong\u003e\u003cbr\u003eCheck before you order. Sundstrand and Danfoss built special versions for equipment makers, and some of those use parts that differ from the standard unit. Send the full model code and serial number and we will check it against the Danfoss data first.\u003c\/p\u003e\u003ch2\u003eAbout RestoPower\u003c\/h2\u003e\u003cp\u003eRestoPower specializes in hard-to-find and obsolete hydraulic components, Parker, Vickers, Eaton, Denison, Char-Lynn, Oilgear, Rexroth, Sundstrand and more. Email \u003ca href=\"mailto:info@restopower.com\"\u003einfo@restopower.com\u003c\/a\u003e or call (810) 882-1171 for fitment help.\u003c\/p\u003e","brand":"RestoPower","offers":[{"title":"Default Title","offer_id":45254165627080,"sku":"RP9510241","price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0536\/5048\/9544\/files\/rp-quote-placeholder-1200.webp?v=1792358061"}],"url":"https:\/\/restopower.com\/es\/collections\/sundstrand-series-25-pump-parts.oembed","provider":"RestoPower","version":"1.0","type":"link"}