{"product_id":"d53690-case-hydraulic-pump-for-case-580b-580c-loader-backhoe","title":"D53690 Case Hydraulic Pump For Case 580B, 580C Loader Backhoe","description":"\u003cdiv\u003e \u003cp\u003e\u003cstrong\u003eD53690 Case Hydraulic Pump\u003c\/strong\u003e — Restore smooth, reliable hydraulic performance on compatible Case construction and industrial machines. This pump is commonly used as a replacement hydraulic pump for Case loader backhoe and industrial applications where dependable flow and pressure are critical for loader, backhoe, and steering functions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCommon applications (verify your exact model\/serial range):\u003c\/strong\u003e This pump is widely listed for Case equipment including models such as the 480C and 580C\/580F family, and is often referenced for certain 580B\/580C loader backhoe applications depending on configuration. Always confirm fitment by part number and machine details before ordering.  \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCross references \/ interchange numbers:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eD53690\u003c\/li\u003e \u003cli\u003eAD53690\u003c\/li\u003e \u003cli\u003eD48950\u003c\/li\u003e \u003cli\u003eD49241\u003c\/li\u003e \u003cli\u003eD80083\u003c\/li\u003e \u003cli\u003eD41390 \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCross references are provided for search and identification help only—fitment can vary by machine and build. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCommonly listed specifications (confirm before install):\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eInput shaft: \u003cstrong\u003e13-spline\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eSpline diameter: \u003cstrong\u003e~0.86 in\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eMounting bolt spacing: \u003cstrong\u003e~5.75 in center-to-center\u003c\/strong\u003e\n\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThese measurements are frequently published for D53690 interchange pumps; if your existing pump differs, match to your original pump and machine configuration. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy replace the pump?\u003c\/strong\u003e Weak hydraulics, slow cycle times, inconsistent pressure, whining noise, or overheating can all point to a worn hydraulic pump. Replacing a tired pump can help bring back predictable lift performance and smoother machine operation.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eRecommended best practices:\u003c\/strong\u003e Flush contaminated oil, replace filters, and inspect suction\/return lines before installing a new pump. Contamination is one of the most common causes of early pump failure.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eNeed help confirming fitment?\u003c\/strong\u003e If you share your machine model and serial range (or the numbers stamped on your original pump), we can narrow compatibility and reduce the chance of a wrong-order situation.\u003c\/p\u003e \u003c\/div\u003e","brand":"CASE","offers":[{"title":"Default Title","offer_id":48574915051769,"sku":"MTFH-D53690","price":515.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9290\/9049\/files\/ace-motor-parts-box__47629.jpg?v=1782155134","url":"https:\/\/acemotorparts.com\/products\/d53690-case-hydraulic-pump-for-case-580b-580c-loader-backhoe","provider":"Ace Motor Parts","version":"1.0","type":"link"}