{"product_id":"034motorsport-high-pressure-fuel-pump-piston-upgrade-kit-2-9t-3-0t-tfsi-ea839","title":"034Motorsport High Pressure Fuel Pump Piston Upgrade Kit, 2.9T \u0026 3.0T TFSI EA839","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe factory high-pressure fuel pump can become a limiting factor when running ethanol-based calibrations, upgraded turbochargers or higher-output performance software. The 034Motorsport HPFP Piston Upgrade Kit increases the fueling capacity of the original pump while retaining the factory housing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e034Motorsport increases the piston diameter from 10.00mm to 11.67mm, delivering up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e37% more flow than the factory high-pressure fuel pump\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. This additional capacity supports the increased fuel demands of ethanol, race fuel, upgraded turbochargers and compatible Stage 1+, Stage 2+ and Stage 3 ECU calibrations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe precision-machined piston and cylinder are manufactured as a matched set for proper clearance and consistent operation. Both components receive a DLC coating to reduce friction and improve durability under the extremely tight tolerances and high operating pressures of the direct-injection fuel system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eUp to 37% more flow than the factory HPFP\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreased piston diameter from 10.00mm to 11.67mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports compatible ethanol and upgraded-turbo calibrations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision-machined to aerospace tolerances\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDLC-coated piston and cylinder\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMatched piston and cylinder set\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRetains the factory high-pressure fuel-pump housing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrop-in internal upgrade with no permanent vehicle modifications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRequired for many 034Motorsport Stage 1+, Stage 2+ and Stage 3 Dynamic+ calibrations\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eOne matched HPFP piston and cylinder set\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e2018+ Audi S4 3.0T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018+ Audi S5 3.0T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018+ Audi SQ5 3.0T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2018+ Audi RS5 2.9T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eB9\/B9.5 Audi RS4 2.9T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019+ Audi A6 3.0T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019+ Audi A7 3.0T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019+ Audi S6 2.9T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019+ Audi S7 2.9T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019+ Audi Q8 3.0T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020+ Audi Q7 3.0T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2019+ Porsche Macan Turbo 2.9T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2020+ Porsche Macan GTS 2.9T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2021+ Porsche Macan S 2.9T\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eInstallation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstallation requires removal and disassembly of the factory high-pressure fuel pump. Because the pump operates with extremely tight internal tolerances, assembly must be completed in a clean environment with the proper tools. Professional installation is strongly recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 034Motorsport EA839 High-Pressure Fuel Pump Tool is sold separately.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProper ECU calibration is required to utilize the additional fueling capacity. Contact ORT Motorsport if you need help confirming compatibility with your vehicle, fuel blend or current tuning package.\u003c\/span\u003e\u003c\/p\u003e","brand":"ORT Motorsport","offers":[{"title":"Default Title","offer_id":50522634190946,"sku":null,"price":396.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/4395\/7090\/files\/Screenshot2026-09-22at3.11.16PM.png?v=1790104296","url":"https:\/\/ortmotorsport.com\/products\/034motorsport-high-pressure-fuel-pump-piston-upgrade-kit-2-9t-3-0t-tfsi-ea839","provider":"ORT Motorsport","version":"1.0","type":"link"}