{"product_id":"tgk-motorsport-high-pressure-fuel-pump-seal-rebuild-kit-4-2lea824-6-3l-ea398","title":"HPFP Rebuild Kit | Audi - Gen 2 4.2L (B8 RS5, A8, W12) | TGK Motorsport","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eOver time, the factory high-pressure fuel pump (HPFP) seals in Audi 4.2L EA824 and 6.3L EA398 engines degrade, leading to fuel leaks, pressure loss, and performance inconsistencies. Additionally, upgrading to larger HPFP pistons—often used in high-performance applications—can cause the OEM seal to tear, resulting in fuel seepage and oil dilution inside the motor.\u003c\/p\u003e\u003cp\u003eThe TGK Motorsport HPFP Seal Rebuild Kit is designed to fix factory leaks, replace torn seals from HPFP upgrades, and restore fuel system integrity. Whether you're performing preventative maintenance or modifying your engine for more power, this kit ensures optimal HPFP operation and long-term reliability.\u003c\/p\u003e\u003ch2\u003eDetails\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eProduct specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e Audi 4.2L EA824 \/ 6.3L EA398\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Material:\u003c\/strong\u003e Molybdenum Disulfide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e High Pressure Fuel Pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Direct Fit Replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Contents:\u003c\/strong\u003e 2x Base Seal Kits, 2x Cam Follower Guides\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFeatures and benefits:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixes Common Factory HPFP Leaks\u003c\/strong\u003e — Direct replacement for failing OEM seals that cause fuel seepage and pressure drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents HPFP Upgrade Seal Tearing\u003c\/strong\u003e — Reinforced seals withstand increased pressure from larger piston kits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolybdenum Disulfide Construction\u003c\/strong\u003e — Enhanced durability, superior friction resistance, and improved longevity under extreme conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestores Fuel Pressure \u0026amp; Reliability\u003c\/strong\u003e — Prevents fuel seepage, pressure drops, and cold start issues for consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance \u0026amp; Maintenance Solution\u003c\/strong\u003e — Ideal for both daily-driven and high-horsepower builds with ethanol-tuned setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit Installation\u003c\/strong\u003e — No modifications required, works seamlessly with your OEM HPFP system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment\u003c\/h2\u003e","brand":"TGK Motorsport","offers":[{"title":"Default Title","offer_id":52392973926702,"sku":"TGK-0308-10","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/1719\/1726\/files\/Main_ab178c66-5ed4-4a63-ab8a-21807b9c2a92.jpg?v=1785948639","url":"https:\/\/shopicwp.com\/products\/tgk-motorsport-high-pressure-fuel-pump-seal-rebuild-kit-4-2lea824-6-3l-ea398","provider":"Inner Circle Wheels and Performance","version":"1.0","type":"link"}