{"product_id":"6-pcs-fuel-injector-3921835-fit-for-cummins-engine-6c8-3-6cta8-3","title":"6 Pcs 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 injectors fail, you'll experience rough running, misfires, excessive black smoke, hard starts, power loss, and increased fuel consumption. This 6-piece brand-new aftermarket injector set covers \u003cstrong\u003eall six cylinders\u003c\/strong\u003e in a single order with Cummins OEM part number \u003cstrong\u003e3921835\u003c\/strong\u003e.\u003c\/p\u003e\n\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\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\u003eComplete 6-Cylinder Set:\u003c\/strong\u003e Full engine coverage in a single order — no need to source injectors individually\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\u003ePrevents Cascading Failures:\u003c\/strong\u003e Replacing all six eliminates future unplanned downtime from remaining worn injectors\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\n\u003ch3\u003e📦 What's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e6 × Fuel Injectors (3921835)\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 6 pieces (complete 6-cylinder set)\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\n\u003cp\u003e\u003cem\u003ePlease 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":47137575469212,"sku":"3921835A","price":326.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7843\/8300\/files\/6-pcs-fuel-injector-3921835-fit-for-cummins-engine-6c83-6cta83-7070858.png?v=1782899125","url":"https:\/\/fuelpartsdepot.com\/products\/6-pcs-fuel-injector-3921835-fit-for-cummins-engine-6c8-3-6cta8-3","provider":"Fuel Parts Depot","version":"1.0","type":"link"}