{"product_id":"sparta-pn3186-fuel-transfer-unit","title":"Sparta PN3186 Fuel Transfer Unit","description":"\u003ch2\u003eFuel Transfer Unit for Diesel Applications\u003c\/h2\u003e\u003cp\u003eThe Sparta PN3186 fuel transfer unit is built for diesel fuel systems on select higher-mileage, earlier-model GM trucks. It is a direct-fit in-tank unit with a float arm, internal strainer, seal, and quick-connect outlet design for service on the fuel delivery side.\u003c\/p\u003e\u003cp\u003eCompatible With 2001-2004 Chevrolet Silverado 2500 HD, 2001-2004 Chevrolet Silverado 3500, 2001-2004 GMC Sierra 2500 HD, and 2001-2004 GMC Sierra 3500.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFuel type: diesel\u003c\/li\u003e\n\u003cli\u003eIn-tank fuel transfer unit with float arm\u003c\/li\u003e\n\u003cli\u003eTwo quick-connect outlets\u003c\/li\u003e\n\u003cli\u003eInternal strainer included\u003c\/li\u003e\n\u003cli\u003eGasket or seal included\u003c\/li\u003e\n\u003cli\u003eFemale oval connector with 4 terminals\u003c\/li\u003e\n\u003cli\u003ePlastic housing\u003c\/li\u003e\n\u003cli\u003eResistance: 40 ohms empty, 250 ohms full\u003c\/li\u003e\n\u003cli\u003eOutlet outside diameter: 0.500 in. \/ 12.6 mm\u003c\/li\u003e\n\u003cli\u003ePackage contents: fuel transfer unit w\/float arm, seal, instruction sheet\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment and Application Details\u003c\/h2\u003e\u003cp\u003eSparta PN3186 is a diesel fuel transfer unit for select GM heavy-duty pickups. It fits 2001-2004 Chevrolet Silverado 2500 HD, 2001-2004 Chevrolet Silverado 3500, 2001-2004 GMC Sierra 2500 HD, and 2001-2004 GMC Sierra 3500. This part cross-references Carter P76668R for the same application.\u003c\/p\u003e\u003cp\u003eAs a fuel transfer unit, PN3186 manages fuel delivery from the tank and works with the sender-style resistance range used by the vehicle’s fuel level circuit. The in-tank layout, internal strainer, and quick-connect outlet configuration support a clean replacement on diesel-equipped Silverado and Sierra models.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Part Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFuel delivery problems caused by a worn in-tank transfer unit\u003c\/li\u003e\n\u003cli\u003eFuel level reading errors from a failing sender assembly\u003c\/li\u003e\n\u003cli\u003eRestricted fuel flow from a damaged or clogged internal strainer\u003c\/li\u003e\n\u003cli\u003eLeak concerns at the tank seal or outlet connection points\u003c\/li\u003e\n\u003cli\u003eStarting and drivability issues related to inconsistent diesel fuel supply\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the connector style, terminal count, outlet type, and resistance range before installation. PN3186 uses a female oval connector with 4 terminals, a pin-style terminal design, and two quick-connect outlets. Confirm tank access, clean the mounting area, and inspect the fuel lines and electrical connector before reassembly.\u003c\/p\u003e\u003cp\u003eBecause this unit is designed for in-tank use, proper sealing and alignment are important during installation. Follow the included instruction sheet and confirm the float arm moves freely before closing the tank.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSparta is distributed by Delphi, an OE fuel-system supplier, and is positioned for higher-mileage and earlier-model vehicles where fit and performance matter. PN3186 is built as a diesel fuel transfer unit for the listed Chevrolet Silverado and GMC Sierra applications.\u003c\/p\u003e","brand":"Sparta","offers":[{"title":"Default Title","offer_id":52433633607861,"sku":"GTLH-PN3186","price":187.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_PN3186_FRO.jpg?v=1777856321","url":"https:\/\/www.partcatalog.com\/products\/sparta-pn3186-fuel-transfer-unit","provider":"PartCatalog","version":"1.0","type":"link"}