{"product_id":"apr-high-pressure-fuel-pump-audi-rs4-b7-rebuild-service","title":"APR High Pressure Fuel Pump - Audi RS4 (B7) - Rebuild Service","description":"\u003ch2\u003eAPR High Pressure Fuel Pump - Audi RS4 (B7) - Rebuild Service\u003c\/h2\u003e\n\n\u003cp\u003eAPR built its reputation on precision engineered engine management and fuelling components, and this HPFP rebuild service brings factory pumps back to like new condition for the \u003cstrong\u003eAudi RS4 (B7)\u003c\/strong\u003e. Rather than replacing a worn pump outright, APR remanufactures the internals to exacting tolerances in a controlled environment, restoring reliable high pressure fuel delivery.\u003c\/p\u003e\n\n\u003cp\u003eThis listing covers the \u003cstrong\u003eAudi RS4 (B7)\u003c\/strong\u003e. The plunger and barrel are remachined from certified, heat treated bearing grade stainless steel, with the plunger receiving a diamond like coating for improved surface hardness and wear resistance. A correctly specified spring is supplied to prevent float, and all internal seals, including the spring seal, are replaced. The factory pivoting head tip is retained to reduce cam follower wear and piston side loading.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDimensional tolerances as tight as 0.001 mm (0.00004 in)\u003c\/li\u003e\n\u003cli\u003eGeometric tolerances as tight as 0.0013 mm (0.00005 in)\u003c\/li\u003e\n\u003cli\u003eCertified, heat treated bearing grade stainless steel plunger and barrel\u003c\/li\u003e\n\u003cli\u003eDiamond like coating on plunger for surface hardness\u003c\/li\u003e\n\u003cli\u003eProperly specified replacement spring included\u003c\/li\u003e\n\u003cli\u003eAll internal seals replaced, including spring seal\u003c\/li\u003e\n\u003cli\u003eFactory pivoting head tip retained\u003c\/li\u003e\n\u003cli\u003eSKU: MS100073\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please ensure your vehicle's year, trim level, and configuration are confirmed before ordering.\u003c\/p\u003e\n\n\u003cp\u003eNot sure if this rebuild service suits your build? Contact our team at \u003ca href=\"mailto:sales@chicaneaustralia.com.au\"\u003esales@chicaneaustralia.com.au\u003c\/a\u003e for expert advice.\u003c\/p\u003e","brand":"APR","offers":[{"title":"Default Title","offer_id":53882579190053,"sku":"MS100073","price":3740.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/ad2c2530d131b9b14d6c64d8b23ff68bL.jpg?v=1790070769","url":"https:\/\/www.chicaneaustralia.com.au\/products\/apr-high-pressure-fuel-pump-audi-rs4-b7-rebuild-service","provider":"Chicane Australia","version":"1.0","type":"link"}