{"product_id":"sundstrand-series-23-back-to-back-pump-overhaul-seal-kit-9510394","title":"Sundstrand 9510394 Overhaul Seal Kit Series 23 Back-to-Back Pump","description":"\u003cp\u003e\u003cstrong\u003eSundstrand 9510394 Overhaul Seal Kit\u003c\/strong\u003e for the Sundstrand (Sauer-Danfoss) Series 23 back-to-back (tandem) variable pump with pressure override.\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\u003e9510394\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 23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsed On\u003c\/td\u003e\n\u003ctd\u003eBack-to-back (tandem) variable pump with pressure override (POR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDanfoss Status\u003c\/td\u003e\n\u003ctd\u003eListed, not marked discontinued (Danfoss PowerSource)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Data Source\u003c\/td\u003e\n\u003ctd\u003eDanfoss PowerSource, checked 2026-11-09 (OVERHAUL SEAL KIT-23 BTB W\/POR)\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 23 back-to-back variable pump with pressure override (POR)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eCross Reference\u003c\/h2\u003e\u003cp\u003e9510394, Sundstrand 9510394, Sauer-Danfoss 9510394, Danfoss 9510394\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=\"\/collections\/sundstrand-series-23-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 23 Parts\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003ePump and motor parts and seal kits for the Series 23.\u003c\/span\u003e\u003cspan style=\"display:block;margin-top:8px;font-weight:700\"\u003eView parts →\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/sundstrand-23-series-seal-kit-9510233\" 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\"\u003eSingle Pump Kit 9510233\u003c\/strong\u003e\u003cspan style=\"font-size:13px;color:#555\"\u003eOverhaul seal kit for a single Series 23 variable pump.\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=\"\/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=\"\/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=\"\/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 9510394 fit my unit?\u003c\/strong\u003e\u003cbr\u003eIt is the number Danfoss lists for the Series 23 back-to-back pump with pressure override. 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\u003eHow is this different from 9510233?\u003c\/strong\u003e\u003cbr\u003e9510233 is the overhaul seal kit Danfoss lists for a single Series 23 variable pump (Danfoss 520L0910, p. 5). 9510394 is the kit Danfoss lists for the back-to-back (tandem) Series 23 pump with pressure override. If your unit is two pumps on one drive, send us the nameplate data and we will confirm which kit it takes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the shaft seal part of this kit?\u003c\/strong\u003e\u003cbr\u003eDanfoss lists the Series 23 variable pump shaft seal kit under its own number, 050302 (Danfoss 520L0910, item 1). Tell us if you need it too and we will quote them together.\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":45252256497864,"sku":"RP9510394","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\/products\/sundstrand-series-23-back-to-back-pump-overhaul-seal-kit-9510394","provider":"RestoPower","version":"1.0","type":"link"}