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4W7019 Ca-terpillar Diesel Fuel Injector
Basic Properties
Trading Properties
| Part Number: | 4W7019 | Product Type: | Diesel Fuel Injector |
|---|---|---|---|
| Compatible Engine: | Cat 3406B/C, 3408, 3408B/C, 3412, 3412C Diesel Engines | Application: | 631 / 637 Scrapers, Heavy‑duty Trucks, Excavators, Wheel Loaders, Marine Equipment |
| Supply Option: | Brand New Or Remanufactured | Warranty Period: | 12 Months |
| Highlight | Caterpillar diesel fuel injector,Caterpillar fuel injection system,4W7019 Caterpillar injector |
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4W7019 Ca-terpillar Diesel Fuel Injector
4W7019 is a Ca-terpillar mechanical pencil‑style diesel fuel injector. It delivers stable fuel atomization and reliable combustion performance under heavy‑load conditions, serving as a premium direct‑replacement injector for Ca-terpillar heavy‑duty diesel engines. It fits Ca-terpillar 3408, 3408B/C, 3412, 3412B/C engines, widely applied on D9L/D9N/D10N bulldozers, generator sets, industrial machinery and marine equipment. Cross‑reference OEM number is 0R3536. Please verify your original part number and engine serial number before purchase.
Every injector is bench-tested for fuel delivery, injection response, sealing and operating stability. Please confirm the original injector number, AA code, engine serial number and model year before ordering.
| No. | Question | Answer |
|---|---|---|
| 1 | Which engines does 4W7019 injector fit? | Cat 3408, 3408B/C, 3412, 3412B/C diesel engines. |
| 2 | What OEM numbers does 4W7019 replace? | 4W7019, 0R3536. |
| 3 | What reman numbers cross over with 4W7019? | 0R3536. |
| 4 | Which machines use the 4W7019 injector? | D9L/D9N/D10N bulldozers, generator sets, industrial machinery, marine equipment. |
| 5 | Is 4W7019 injector tested before shipping? | Yes, every unit is 100% bench flow and spray tested before dispatch. |
| 6 | What warranty do you offer for 4W7019? | 12‑month warranty against manufacturing defects. |
| No. | OEM No. | Reman/Interchange | Engine Fitment | Typical Applications |
|---|---|---|---|---|
| 1 | 4W7017 | 0R3421, 8N7007 | Cat 3406, 3406B/C, 3408, 3412, 3306 | Excavator 245/245B/245D, wheel loader 980C/980F, trucks, marine |
| 2 | 4W7018 | 0R3422 | Cat 3406B/C, 3408, 3408B/C, 3412, 3412C | Scrapers 631/637, trucks, excavators, marine |
| 3 | 4W7019 | 0R3536 | Cat 3408, 3408B/C, 3412, 3412B/C | Tractor D9L/D9N/D10N, generator sets, industrial |
| 4 | 4W7020 | 0R8791 | Cat 3408, 3408B/C, 3412, 3412B/C, PM3412 | Generator SR4, industrial, marine |
| 5 | 4W7021 | 0R3421 family (CTP H4W7021) | Cat 3408, 3412 | Trucks, excavators, industrial |
| 6 | 4W7026 | 0R3423 (7W7026) | Cat 3406, 3406B/C, 3412, 3412C | Trucks, excavators, generator sets |
| 7 | 4W7031 | 7W7031 | Cat 3406B, 3406C, 3412C | Excavators, trucks, generator SR4 |
| 8 | 4W7032 | 0R3424, 0R1747, 0R8461 | Cat 3406, 3406B/C, 3412 (3400 series) | Excavators, industrial, trucks |
| 9 | 4W7037 | 0R3425, 9Y3070 | Cat 3406, 3406B/C, 3408, 3412/3412C | Excavator 375/375L, generator SR4 |
| 10 | 7W7038 | 0R4124, 170‑5187 | Cat 3306, 3306B | Trucks, industrial, marine |
| 11 | 7W7045 | 0R3591, 170‑5181, 1705183, 8M1584 | Cat 3306, 3306B, 3400 series | Excavator 973/973C, D7, trucks, marine |
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