{"product_id":"bosch-66857-direct-injection-high-pressure-fuel-pump","title":"Bosch 66857 Direct Injection High Pressure Fuel Pump","description":"\u003ch2\u003eBosch GDI High Pressure Pump 66857\u003c\/h2\u003e\u003cp\u003eBosch 66857 is a direct injection high pressure fuel pump for gasoline applications, built for precise fuel delivery in compatible Porsche GDI systems. It is an external, electric in-line pump with a metal housing, bolt-on mounting, and a square\/rectangle female connector for a straightforward replacement on the listed vehicles.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect injection high pressure fuel pump for gas engines\u003c\/li\u003e\n\u003cli\u003eExternal, in-line electric pump with bolt-on mounting\u003c\/li\u003e\n\u003cli\u003eMetal housing with premium-grade construction\u003c\/li\u003e\n\u003cli\u003eFuel filter and gasket\/seal included\u003c\/li\u003e\n\u003cli\u003eSingle outlet design with compression outlet type\u003c\/li\u003e\n\u003cli\u003eFemale connector with blade terminals\u003c\/li\u003e\n\u003cli\u003eQuick-connect inlet and M16 x 1.5 outlet fitting\u003c\/li\u003e\n\u003cli\u003eCompatible with Porsche 718 Boxster, 718 Cayman, and 911 applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis Bosch GDI High Pressure Pump is engineered for fuel injection systems that require stable high-pressure gasoline delivery. Bosch builds aftermarket fuel pumps on the same production lines and to the same quality standards used for Bosch OE fuel pumps, helping maintain consistent operation in demanding direct-injection service. Part number 66857 is listed for 2017-2019 Porsche 718 Boxster, 2017-2019 Porsche 718 Cayman, and 2017-2019 Porsche 911 applications. This part cross-references 9A211031502 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Pump Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHard starting caused by insufficient high-pressure fuel delivery\u003c\/li\u003e\n\u003cli\u003eFuel pressure loss in direct injection systems\u003c\/li\u003e\n\u003cli\u003eEngine hesitation or stumble under load\u003c\/li\u003e\n\u003cli\u003eFuel delivery faults related to a worn high pressure pump\u003c\/li\u003e\n\u003cli\u003eDriveability problems tied to inconsistent gasoline injection pressure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the inlet and outlet sizes, connector style, and outlet fitting before installation. This pump uses an external, bolt-on mounting design with a quick-connect inlet and compression outlet, so matching the original fuel line and electrical connection is important. Replace the included gasket\/seal during service and inspect the fuel system for contamination before putting the vehicle back into operation. Fits 2017-2019 Porsche 718 Boxster, N\/A. Fits 2017-2019 Porsche 718 Cayman, N\/A. Fits 2017-2019 Porsche 911, N\/A.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eBosch manufactures this pump to OE-level production and testing standards for long service life in automotive fuel injection systems. The Bosch GDI High Pressure Pump line is built for consistent fit and dependable fuel delivery in the listed Porsche applications.\u003c\/p\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":52908366495925,"sku":"BBHK-66857","price":272.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BS_66857_Fro.jpg?v=1785478533","url":"https:\/\/www.partcatalog.com\/products\/bosch-66857-direct-injection-high-pressure-fuel-pump","provider":"PartCatalog","version":"1.0","type":"link"}