{"product_id":"1-pc-fuel-injector-3349084-fit-for-cummins-engine-4b3-9-4bta3-9","title":"1 Pc Fuel Injector 3349084 Fit for Cummins Engine 4B3.9 4BTA3.9","description":"\u003cp\u003eThe Cummins 4B3.9, 4BTA3.9, ISB, and QSB are 4-cylinder diesel engines from Cummins' proven B-series — widely used in light construction equipment, agricultural machinery, light trucks, and generator sets worldwide. 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 covering eight cross-reference part numbers including Cummins OEM \u003cstrong\u003e3349084\u003c\/strong\u003e, \u003cstrong\u003e3802978\u003c\/strong\u003e, and Bosch \u003cstrong\u003e0432131630\u003c\/strong\u003e, precision-matched to OEM spray pattern and injection pressure for the Cummins B-series fuel system.\u003c\/p\u003e\n\u003ch3\u003e✅ Direct-Fit Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCummins Engines:\u003c\/strong\u003e 4B3.9, 4BTA3.9, ISB, QSB\u003c\/li\u003e\n\u003cli\u003eSuitable for light construction equipment, agricultural machinery, light trucks, and generator sets fitted with these Cummins B-series 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 Atomization:\u003c\/strong\u003e Precise spray pattern and injection pressure for clean combustion, restored power, and reduced smoke under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTargeted Single-Unit Replacement:\u003c\/strong\u003e Ideal when diagnostics confirm one failed injector on a 4-cylinder engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 Cross-Reference Part Numbers:\u003c\/strong\u003e Covers Cummins OEM (3349084, 3802978, 4089267, 4078583) and Bosch (0432131630, 0432131693) formats for confirmed fitment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4B \/ ISB \/ QSB Family Coverage:\u003c\/strong\u003e Fits mechanical (4B3.9, 4BTA3.9) and electronic (ISB, QSB) variants in a single part number\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 (3349084 \/ 3802978)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔑 Key Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e 3349084, 3802978, 4089267, 4078583, 0432131630, 0432-131-630, 0432131693, 0 432 131 693\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\u003eFitment:\u003c\/strong\u003e Cummins 4B3.9 \/ 4BTA3.9 \/ ISB \/ QSB engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eReplacing all four injectors? Our \u003ca href=\"https:\/\/fuelpartsdepot.com\/products\/4-pcs-fuel-injector-3349084-fit-for-cummins-engine-4b3-9-4bta3-9?_pos=2\u0026amp;_psq=3349084\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003e\u003cstrong\u003e4-pack set (SKU: 3349084)\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":47127978967196,"sku":"3349084","price":116.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7843\/8300\/files\/RFJ2323526_7__1752723583.png?v=1782784616","url":"https:\/\/fuelpartsdepot.com\/en-ca\/products\/1-pc-fuel-injector-3349084-fit-for-cummins-engine-4b3-9-4bta3-9","provider":"Fuel Parts Depot","version":"1.0","type":"link"}