{"product_id":"sierra-18-7330-electric-fuel-pump-120-psi-max-replaces-omc-volvo-3855958-3857650-fits-omc-stern-drive-volvo-penta","title":"Sierra 18-7330 Electric Fuel Pump - High Pressure MPI, Replaces 3857650, Fits 350\/5.7L, 454\/7.4L \u0026 502\/8.2L Engines","description":"\u003cp\u003eThe Sierra 18-7330 is a high-pressure electric fuel pump built for 350\/5.7L, 454\/7.4L, and 502\/8.2L engines equipped with multi-port fuel injection (MPI). It is engineered as a direct replacement for OEM part 3857650, restoring correct fuel delivery for MPI fuel systems that depend on consistent, high-pressure flow to the injectors.\u003c\/p\u003e\u003cp\u003eThis pump delivers 35 gallons per hour at 40 psi and is rated for a maximum operating pressure of 80 to 120 psi, matching the demands of high-pressure MPI fuel systems. It draws up to 78 amps at 43 psi and is built with a plastic pump body designed for internal fuel tank mounting. The inlet is threaded 5\/8-18 UNF and the outlet is threaded 3\/8-24 UNF, with an NPT connector type for secure fuel line fitting.\u003c\/p\u003e\u003cp\u003eThe 18-7330 is used across MPI high-pressure fuel systems on 350\/5.7L, 454\/7.4L, and 502\/8.2L engines, including 454\/7.4L \u0026amp; 502\/8.2L (HU-WT) engine applications, and is cross-referenced to OMC Stern Drive and Volvo Penta fuel systems using the same OEM part numbers. Each Sierra fuel pump is built to meet or exceed the specifications of the original equipment part it replaces, giving boat owners a reliable, drop-in solution for restoring proper fuel pressure and flow.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-7330\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Delivery Rate:\u003c\/strong\u003e 35 gallons per hour at 40 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Amp Draw:\u003c\/strong\u003e 78 amps at 43 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Pressure Rating:\u003c\/strong\u003e 80 to 120 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Connection:\u003c\/strong\u003e 5\/8-18 UNF threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Connection:\u003c\/strong\u003e 3\/8-24 UNF threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Internal tank mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.46 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282112370\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1993-99 350\/5.7L, 454\/7.4L, \u0026amp; 502\/8.2L Engines w\/MPI - High Pressure\u003c\/li\u003e\n\u003cli\u003e1996-99 454\/7.4L \u0026amp; 502\/8.2L (HU-WT) Engines w\/MPI - High Pressure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e3857650\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the Sierra 18-7330 fuel pump fit?\u003c\/strong\u003e The 18-7330 is designed for 350\/5.7L, 454\/7.4L, and 502\/8.2L engines with multi-port fuel injection (MPI) on high-pressure fuel systems, including 454\/7.4L \u0026amp; 502\/8.2L (HU-WT) applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part number does this pump replace?\u003c\/strong\u003e This pump replaces OEM part number 3857650 and is a direct fit for fuel systems originally equipped with that part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much fuel does the 18-7330 deliver?\u003c\/strong\u003e It delivers 35 gallons per hour at 40 psi, sized for the flow demands of high-pressure MPI fuel injection systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the maximum pressure rating of this fuel pump?\u003c\/strong\u003e The 18-7330 is rated for a maximum operating pressure of 80 to 120 psi, consistent with high-pressure MPI fuel delivery requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size are the inlet and outlet fittings?\u003c\/strong\u003e The inlet is threaded 5\/8-18 UNF and the outlet is threaded 3\/8-24 UNF, both using NPT connector fittings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this pump a genuine Sierra part or aftermarket?\u003c\/strong\u003e It is a genuine Sierra 18-7330 fuel pump, manufactured to meet or exceed the specifications of the original equipment part it replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the pump body made of?\u003c\/strong\u003e The 18-7330 has a plastic pump body and is designed for internal fuel tank mounting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much current does the pump draw?\u003c\/strong\u003e The 18-7330 draws up to 78 amps at 43 psi during operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-7330 weigh?\u003c\/strong\u003e The Sierra 18-7330 electric fuel pump weighs 1.46 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this pump work in Volvo Penta or OMC Stern Drive applications?\u003c\/strong\u003e Yes, the 18-7330 is used in OMC Stern Drive and Volvo Penta MPI fuel systems that share the same OEM part number 3857650.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this an internal or external tank pump?\u003c\/strong\u003e The 18-7330 is an internal tank mount fuel pump, installed inside the fuel tank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included when I order the 18-7330?\u003c\/strong\u003e Each order includes one Sierra 18-7330 electric fuel pump, ready to install as a replacement for OEM part 3857650.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988383936731,"sku":"SIE-18-7330","price":208.14,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/Untitled-1__39251.1753840686.500.750.jpg?v=1785188221","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-7330-electric-fuel-pump-120-psi-max-replaces-omc-volvo-3855958-3857650-fits-omc-stern-drive-volvo-penta","provider":"Good Vibes Marina","version":"1.0","type":"link"}