{"product_id":"autobest-f8321a-fuel-pump-module-assembly","title":"Autobest F8321A Fuel Pump Module Assembly","description":"\u003ch2\u003eFuel delivery replacement\u003c\/h2\u003e\u003cp\u003eAutobest F8321A is a fuel pump module assembly for heavy-duty truck applications that need an in-tank replacement with integrated fuel system components. It is built as a performance-grade module with a turbine pump, 12V operation, and a male rectangular connector.\u003c\/p\u003e\u003cp\u003eFits 2017-2019 Chevrolet Silverado 2500 HD, N\/A. Fits 2017-2019 Chevrolet Silverado 3500 HD, N\/A. Fits 2017-2019 GMC Sierra 2500 HD, N\/A. Fits 2017-2019 GMC Sierra 3500 HD, N\/A.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIn-tank fuel pump module assembly for direct fuel system service.\u003c\/li\u003e\n\u003cli\u003eTurbine pump design with 46.23 GPH average flow rating.\u003c\/li\u003e\n\u003cli\u003eIncludes fuel filter, fuel sending unit, fuel tank pressure sensor, and strainer.\u003c\/li\u003e\n\u003cli\u003eMale connector with 4-pin terminal layout and 12V electrical operation.\u003c\/li\u003e\n\u003cli\u003eNBR seal material and POM housing for fuel system use.\u003c\/li\u003e\n\u003cli\u003eAutobest F8321A cross-references Delphi FG2310 for the same application.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed description\u003c\/h2\u003e\u003cp\u003eAutobest F8321A is a fuel pump module assembly engineered for in-tank service on Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD applications from 2017-2019. The module combines the pump, sending unit, fuel tank pressure sensor, filter, and internal strainer in one assembly to simplify fuel system replacement. The performance-grade design, 13-amp average current draw, and 46.23 GPH flow rating make it a practical choice for restoring fuel delivery on these truck platforms. The part number F8321A is also useful when verifying the correct module against service records or catalog listings.\u003c\/p\u003e\u003ch2\u003eCommon issues this part can address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHard starting caused by weak fuel delivery.\u003c\/li\u003e\n\u003cli\u003eFuel gauge readings that no longer track tank level correctly.\u003c\/li\u003e\n\u003cli\u003eFuel pressure sensor faults tied to the module assembly.\u003c\/li\u003e\n\u003cli\u003eReduced flow from a worn in-tank pump.\u003c\/li\u003e\n\u003cli\u003eFuel system service needs on Silverado and Sierra HD trucks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation notes and tips\u003c\/h2\u003e\u003cp\u003eConfirm connector style, terminal count, and tank-side fitment before installation. This module uses a male rectangular connector, 4 terminals, and an in-tank layout, so matching the original configuration is important. The part number F8321A should be checked against the vehicle service information and the existing module before removal.\u003c\/p\u003e\u003ch2\u003eQuality assurance\u003c\/h2\u003e\u003cp\u003eAutobest F8321A includes a limited lifetime warranty. The module is built as a performance-grade fuel pump assembly and cross-references Delphi FG2310 for the same application.\u003c\/p\u003e","brand":"Autobest","offers":[{"title":"Default Title","offer_id":53534281531573,"sku":"FKDT-F8321A","price":242.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/A0_F8321A_Fro.jpg?v=1792129225","url":"https:\/\/www.partcatalog.com\/products\/autobest-f8321a-fuel-pump-module-assembly","provider":"PartCatalog","version":"1.0","type":"link"}