{"product_id":"1-pc-fuel-injector-3921835-fit-for-cummins-engine-6c8-3-6cta8-3","title":"1 Pc Fuel Injector 3921835 Fit for Cummins Engine 6C8.3 6CTA8.3","description":"\u003cp\u003eThe Cummins 6C8.3 and 6CTA8.3 are 8.3L inline-6 diesel engines — proven powerplants widely deployed in construction equipment, buses, medium-duty trucks, and marine applications worldwide. The 6CTA8.3 is the turbocharged and aftercooled variant, delivering higher power output for demanding applications. These engines use mechanical fuel injectors for precise fuel metering and reliable injection. When an injector fails, you'll experience rough running, misfires, excessive black smoke, hard starts, power loss, and increased fuel consumption. This brand-new aftermarket injector is a direct replacement with Cummins OEM part number \u003cstrong\u003e3921835\u003c\/strong\u003e, precision-matched to OEM injection pressure and spray pattern for the Cummins 6C\/6CTA8.3 fuel system.\u003c\/p\u003e\n\u003ch3\u003e✅ Direct-Fit Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCummins Engine:\u003c\/strong\u003e 6C8.3 (naturally aspirated, 8.3L inline-6)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCummins Engine:\u003c\/strong\u003e 6CTA8.3 (turbocharged aftercooled, 8.3L inline-6)\u003c\/li\u003e\n\u003cli\u003eSuitable for construction equipment, buses, medium-duty trucks, and marine applications fitted with these Cummins engines\u003c\/li\u003e\n\u003cli\u003eBolt-on replacement — no modifications required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔧 Product Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Brand New Aftermarket:\u003c\/strong\u003e Not rebuilt or refurbished — starts with a full service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Spec Fuel Delivery:\u003c\/strong\u003e Correct injection pressure and spray pattern for smooth power delivery, clean combustion, and optimal fuel economy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted Single-Unit Replacement:\u003c\/strong\u003e Ideal when diagnostics confirm one failed injector on a specific cylinder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCovers 6C8.3 \u0026amp; 6CTA8.3:\u003c\/strong\u003e Fits both naturally aspirated and turbocharged aftercooled variants of the Cummins 8.3L engine family\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Dealer Markup:\u003c\/strong\u003e OEM-equivalent quality at aftermarket pricing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📦 What's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Fuel Injector (3921835)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔑 Key Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3921835\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Cummins 6C8.3 \/ 6CTA8.3 (8.3L inline-6)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% New Aftermarket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 piece (single cylinder replacement)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Construction equipment, buses, medium-duty trucks, marine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eReplacing all six injectors? Our \u003ca href=\"https:\/\/fuelpartsdepot.com\/products\/6-pcs-fuel-injector-3921835-fit-for-cummins-engine-6c8-3-6cta8-3?_pos=2\u0026amp;_psq=3921835\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003e\u003cstrong\u003e6-pack (SKU: 3921835)\u003c\/strong\u003e\u003c\/a\u003e offers complete engine coverage at a lower cost-per-injector. Please verify your engine serial number and existing part number before ordering. Contact us for fitment confirmation if needed.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fuel Parts Depot","offers":[{"title":"Default Title","offer_id":47137575239836,"sku":"3921835","price":100.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7843\/8300\/files\/1-pc-fuel-injector-3921835-fit-for-cummins-engine-6c83-6cta83-5456537.png?v=1782899127","url":"https:\/\/fuelpartsdepot.com\/en-ca\/products\/1-pc-fuel-injector-3921835-fit-for-cummins-engine-6c8-3-6cta8-3","provider":"Fuel Parts Depot","version":"1.0","type":"link"}