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4W7038 Ca-terpillar Diesel Fuel Injector
Basic Properties
Trading Properties
| Part Number: | 4W7038 | Product Type: | Diesel Fuel Injector |
|---|---|---|---|
| Compatible Engine: | Cat 3406B, 3406C, 3412C Diesel Engines | Application: | Excavators, Wheel Loaders, Heavy‑duty Trucks, SR4 Generator Sets |
| Supply Option: | Brand New Or Remanufactured | Warranty Period: | 12 Months |
| Highlight | Caterpillar diesel fuel injector,Caterpillar fuel injection system,4W7038 diesel fuel injector |
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4W7038 Ca-terpillar Diesel Fuel Injector
4W7038 is a Ca-terpillar mechanical pencil‑style diesel fuel injector. It features excellent fuel atomization performance and robust mechanical structure, delivering stable power output and good fuel‑burning efficiency under harsh heavy‑load working environments, serving as a reliable direct‑replacement spare part for Ca-terpillar heavy‑duty diesel engines. It fits Ca-terpillar 3306, 3306B, 3406 diesel engines, widely applied on motor graders, D6‑series bulldozers, heavy‑duty trucks and industrial generator sets. Cross‑reference OEM number is 0R4124. 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 4W7038 injector fit? | Cat 3306, 3306B, 3406 diesel engines. |
| 2 | What OEM numbers does 4W7038 replace? | 4W7038, 0R4124. |
| 3 | What reman numbers cross over with 4W7038? | 0R4124. |
| 4 | Which machines use the 4W7038 injector? | Motor graders, D6‑series bulldozers, heavy‑duty trucks, industrial generator sets. |
| 5 | Is 4W7038 injector tested before shipping? | Yes, every unit is 100% bench flow and spray tested before dispatch. |
| 6 | What warranty do you offer for 4W7038? | 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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