{"product_id":"1-pc-fuel-injector-3930573-3806248-fits-for-cummins-engine-4b3-9-4bt-4t-390-4bta3-9l","title":"1 Pc Fuel Injector 3930573 3806248 Fits for Cummins Engine 4B3.9 4BT 4T-390 4BTA3.9L","description":"\u003ch2\u003eFuel Injector 3930573 — Single Unit Replacement for Cummins 4B3.9, 4BT, 4T-390 \u0026amp; 4BTA3.9L Engines\u003c\/h2\u003e\n\u003cp\u003eNeed to replace just one injector on your Cummins 4BT or 4BTA3.9L? This brand-new single fuel injector is the precise, direct-fit solution. Engineered to OEM specifications, it restores accurate fuel atomization and consistent combustion to the affected cylinder — eliminating the rough running, misfires, or power loss that a worn or clogged injector causes in these legendary engines.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Injector?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Unit — Replace Only What You Need\u003c\/strong\u003e — The smart, cost-effective choice when diagnostics pinpoint one faulty injector. Get your Cummins back running right without replacing the full set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM-Equivalent Fit\u003c\/strong\u003e — Engineered to match Cummins 4B3.9, 4BT, 4T-390, and 4BTA3.9L specifications. Installs without modifications for a fast, clean swap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% New Aftermarket Part\u003c\/strong\u003e — Not rebuilt or remanufactured. Full service life and reliable performance right out of the box, ready for demanding applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Fuel Atomization\u003c\/strong\u003e — Precise spray pattern restores proper combustion in the affected cylinder, recovering lost power and improving overall engine smoothness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Cross-Reference Coverage\u003c\/strong\u003e — Matches seven OEM part numbers for confident, easy ordering and verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Part Numbers\u003c\/h3\u003e\n\u003cp\u003e3930573 | JR930573 | J930573 | 3806248 | 3935036 | J935036 | 0432131698\u003c\/p\u003e\n\u003ch3\u003eCompatible Cummins Engines\u003c\/h3\u003e\n\u003cp\u003e4B3.9 | 4BT | 4T-390 | 4BTA3.9L\u003c\/p\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3930573 \/ 3806248\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Injector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% New Aftermarket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engines:\u003c\/strong\u003e Cummins 4B3.9, 4BT, 4T-390, 4BTA3.9L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Construction equipment, agricultural machinery, marine, generators, custom builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNeed to replace all four at once? Check out our \u003ca href=\"https:\/\/fuelpartsdepot.com\/products\/4-pcs-fuel-injector-3930573-3806248-fits-for-cummins-engine-4b3-9-4bt-4t-390-4bta3-9l?_pos=2\u0026amp;_sid=bf14caad6\u0026amp;_ss=r\"\u003e\u003cstrong\u003e4-piece injector set\u003c\/strong\u003e\u003c\/a\u003e for a complete matched replacement and better overall value.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eGet your Cummins 4BT back to its legendary performance — order today and ship fast from Fuel Parts Depot.\u003c\/p\u003e","brand":"Fuel Parts Depot","offers":[{"title":"Default Title","offer_id":46884908335260,"sku":"3930573","price":99.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7843\/8300\/files\/1-pc-fuel-injector-3930573-3806248-fits-for-cummins-engine-4b39-4bt-4t-390-4bta39l-7680287.png?v=1779253212","url":"https:\/\/fuelpartsdepot.com\/en-ca\/products\/1-pc-fuel-injector-3930573-3806248-fits-for-cummins-engine-4b3-9-4bt-4t-390-4bta3-9l","provider":"Fuel Parts Depot","version":"1.0","type":"link"}