{"product_id":"6-pcs-fuel-injector-7w-7038-7w7038-0r-4124-0r4124-fit-for-caterpillar-cat-engine-3306-3306b-tractor-d6h-d6d-d6r-1","title":"6 Pcs Fuel Injector 7W-7038 7W7038 0R-4124 0R4124 Fit for Caterpillar CAT Engine 3306 3306B Tractor D6H D6D D6R","description":"\u003cp\u003eThe Caterpillar 3306 and 3306B are legendary inline-6 mechanical diesel engines — proven workhorses powering Cat's iconic motor graders (12G, 12H, 140G, 140H, 143H, 14G, 160H series) and D6 bulldozers (D6H, D6D, D6R) that have shaped road construction and earthmoving operations worldwide for decades. The 3306 uses individual mechanical fuel injectors — each injector is a self-contained unit delivering high-pressure fuel directly to the cylinder. 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 six cross-reference formats across Cat OEM and Cat exchange part numbers, including Cat \u003cstrong\u003e7W-7038\u003c\/strong\u003e and exchange reference \u003cstrong\u003e0R-4124\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e✅ Direct-Fit Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaterpillar Engines:\u003c\/strong\u003e 3306, 3306B (inline-6 mechanical diesel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCat Motor Graders:\u003c\/strong\u003e 12G, 12H, 12H ES, 12H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 160H, 160H NA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCat Bulldozers:\u003c\/strong\u003e D6H, D6H XL, D6H XR, D6D, D6R\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 Mechanical Injection:\u003c\/strong\u003e Correct injection pressure and spray pattern for the Cat 3306\/3306B mechanical fuel system\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\u003eBroad Cat Equipment Coverage:\u003c\/strong\u003e Fits 12 motor grader models and 5 bulldozer models sharing the 3306\/3306B engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 Cross-Reference Formats:\u003c\/strong\u003e Covers Cat OEM (7W-7038, CA7W7038) and Cat exchange (0R-4124, CA0R4124) in multiple formats\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\u003ch3\u003e📦 What's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 × Fuel Injectors (7W-7038 \/ 0R-4124)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔑 Key Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCat OEM Part Numbers:\u003c\/strong\u003e 7W-7038, 7W7038, CA7W7038\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCat Exchange References:\u003c\/strong\u003e 0R-4124, 0R4124, CA0R4124\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInjector Type:\u003c\/strong\u003e Mechanical fuel injector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Caterpillar 3306, 3306B (inline-6 mechanical diesel)\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\u003eFitment:\u003c\/strong\u003e Cat 12G \/ 12H \/ 140G \/ 140H \/ 143H \/ 14G \/ 160H motor graders; D6H \/ D6D \/ D6R bulldozers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eReplacing a single injector? Check out our \u003ca href=\"https:\/\/fuelpartsdepot.com\/products\/6-pcs-fuel-injector-7w-7038-7w7038-0r-4124-0r4124-fit-for-caterpillar-cat-engine-3306-3306b-tractor-d6h-d6d-d6r?_pos=1\u0026amp;_psq=7W-7038\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003e\u003cstrong\u003e1-Piece Fuel Injector Set\u003c\/strong\u003e\u003c\/a\u003e. Please verify your equipment model, serial number, and existing injector 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":47151163801756,"sku":"7W-7038A","price":258.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7843\/8300\/files\/6-pcs-fuel-injector-7w-7038-7w7038-0r-4124-0r4124-fit-for-caterpillar-cat-engine-3306-3306b-tractor-d6h-d6d-d6r-6726405.png?v=1783064892","url":"https:\/\/fuelpartsdepot.com\/en-gb\/products\/6-pcs-fuel-injector-7w-7038-7w7038-0r-4124-0r4124-fit-for-caterpillar-cat-engine-3306-3306b-tractor-d6h-d6d-d6r-1","provider":"Fuel Parts Depot","version":"1.0","type":"link"}