{"product_id":"sierra-18-33104-fuel-injector-for-mercruiser-7-4l-mpi-l29-replaces-oem-802632","title":"Sierra Fuel Injector 18-33104, Replaces 802632T\/802632, Fits MCM\/MIE 7.4L MPI L29","description":"\u003cp\u003eThe Sierra 18-33104 is a metal fuel injector engineered as a direct replacement for MCM\/MIE 7.4L MPI L29 marine engines. It delivers precise fuel metering through a needle-valve design, restoring proper spray pattern and fuel delivery on engines with a worn, clogged, or failed factory injector. The body measures 5 x 4 x 1 inches and features a threaded inlet connection sized at 4 inches paired with an NPT outlet connection, with two ports built into the housing for correct fuel routing. Constructed of metal for durability in the marine engine environment, this injector is built to the same fit and function as the original equipment part it replaces.\u003c\/p\u003e\u003cp\u003eThis injector is intended for MCM\/MIE 7.4L MPI L29 applications and cross-references directly to OEM part numbers 802632T and 802632, making it a straightforward swap for boat owners and marine technicians performing fuel system service or troubleshooting a rough-running or misfiring engine.\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 18-33104\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fuel Injector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e Needle Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Dimensions:\u003c\/strong\u003e 5 x 4 x 1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.21 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Connection Size:\u003c\/strong\u003e 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Connection Type:\u003c\/strong\u003e Threaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Connection Type:\u003c\/strong\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Connection Size:\u003c\/strong\u003e 0.03 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Ports:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282341671\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eMCM\/MIE 7.4L MPI L29\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e802632T\u003c\/li\u003e\n\u003cli\u003e802632\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the Sierra 18-33104 fuel injector fit?\u003c\/strong\u003e The Sierra 18-33104 fits MCM\/MIE 7.4L MPI L29 marine engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part numbers does the 18-33104 replace?\u003c\/strong\u003e It cross-references directly to OEM numbers 802632T and 802632, so either of those original part numbers can be replaced with Sierra 18-33104.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the 18-33104 fuel injector made of?\u003c\/strong\u003e It is constructed of metal, matching the durability of the original equipment injector it replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of the 18-33104 injector?\u003c\/strong\u003e The Sierra 18-33104 measures 5 x 4 x 1 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-33104 fuel injector weigh?\u003c\/strong\u003e It weighs 0.21 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat type of valve does this injector use?\u003c\/strong\u003e The 18-33104 uses a needle valve design for fuel metering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat connection type is the inlet on the 18-33104?\u003c\/strong\u003e The inlet is a 4 inch threaded connection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat type of outlet connection does the 18-33104 have?\u003c\/strong\u003e The outlet connection is NPT, sized at 0.03 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many ports does the Sierra 18-33104 have?\u003c\/strong\u003e The injector housing has 2 ports.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-33104 a direct OEM replacement?\u003c\/strong\u003e Yes, the 18-33104 is a direct replacement for MCM\/MIE 7.4L MPI L29 engines, matching the fit and function of OEM 802632T and 802632.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included when I order the 18-33104?\u003c\/strong\u003e The order includes one Sierra 18-33104 fuel injector.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for the Sierra 18-33104?\u003c\/strong\u003e The UPC for the Sierra 18-33104 fuel injector is 808282341671.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988143124699,"sku":"SIE-18-33104","price":294.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-33104__75129.1722372124.500.750.jpg?v=1785187994","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-33104-fuel-injector-for-mercruiser-7-4l-mpi-l29-replaces-oem-802632","provider":"Good Vibes Marina","version":"1.0","type":"link"}