{"product_id":"dorman-904-921-fuel-injector-line","title":"Dorman 904-921 Fuel Injector Line","description":"\u003ch2\u003eFuel Injector Line for Ram 2500 and 3500\u003c\/h2\u003e\u003cp\u003eThis Dorman fuel injector line is a direct replacement for specific Ram diesel applications, built to match the original fit and routing. It is engineered for the fuel injector feed path on 2019-2023 Ram 2500 and Ram 3500 models at cylinder 1, with steel construction and OE-style thread specifications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement fuel injector line for specific Ram applications\u003c\/li\u003e\n\u003cli\u003eFits 2019-2023 Ram 2500, cylinder 1\u003c\/li\u003e\n\u003cli\u003eFits 2019-2023 Ram 3500, cylinder 1\u003c\/li\u003e\n\u003cli\u003eSteel construction with gray\/silver finish\u003c\/li\u003e\n\u003cli\u003eFemale inlet and outlet fittings\u003c\/li\u003e\n\u003cli\u003eInlet thread size: M16 x 1.5 metric fine\u003c\/li\u003e\n\u003cli\u003eOutlet thread size: M14 x 1.5 metric fine\u003c\/li\u003e\n\u003cli\u003eMaximum line pressure rating: 30000 PSI\u003c\/li\u003e\n\u003cli\u003eLength: 7.25 in; wall thickness: 0.087 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOE-Style Fit and Construction\u003c\/h2\u003e\u003cp\u003eDorman 904-921 is built to mirror the original fuel injector line design on the listed Ram 2500 and Ram 3500 diesel applications. The steel line uses female metric fine fittings and the correct inlet and outlet thread sizes to support proper connection at cylinder 1. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 68447764AA, 68479996AA) for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFuel leakage at a damaged injector feed line\u003c\/li\u003e\n\u003cli\u003eHard starting caused by a compromised fuel delivery path\u003c\/li\u003e\n\u003cli\u003eVisible corrosion or wear on the original steel line\u003c\/li\u003e\n\u003cli\u003eImproper sealing from worn or mismatched fittings\u003c\/li\u003e\n\u003cli\u003eFuel pressure loss at the injector supply circuit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify vehicle application by year, model, and cylinder location before installation. Confirm the inlet and outlet thread sizes match the original hardware: M16 x 1.5 at the inlet and M14 x 1.5 at the outlet. Inspect mating surfaces, line routing, and adjacent fuel system components for damage or contamination before final assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this replacement line to match the fit and design of the original fuel injector line on the specified vehicles. The part number 904-921 is intended for Ram 2500 and Ram 3500 diesel applications listed above, with OE-style dimensions and pressure capacity for the injector feed circuit.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52787928039605,"sku":"BKKY-904-921","price":203.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_904921_Ang.jpg?v=1783753035","url":"https:\/\/www.partcatalog.com\/products\/dorman-904-921-fuel-injector-line","provider":"PartCatalog","version":"1.0","type":"link"}