Guangzhou Zhuohang Auto Parts Co., Ltd.
| Compatible Engine | Cat 3406B, 3406C, 3412C diesel engines |
| Product Type | Diesel Fuel Injector |
| Supply Option | Brand New or Remanufactured |
| Packaging Details | Neutral packaging |
| Supply Ability | 1000 |
| Warranty Period | 12 Months |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Delivery Time | 3 to 7 days |
| Application | Excavators, wheel loaders, heavy‑duty trucks, SR4 generator sets |
| Part Number | 4W7037 |
| Place of Origin | guangdong |
| Model Number | 4W7037 |
| Brand Name | Ca-terpillar |
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Product Specification
| Compatible Engine | Cat 3406B, 3406C, 3412C diesel engines | Product Type | Diesel Fuel Injector |
| Supply Option | Brand New or Remanufactured | Packaging Details | Neutral packaging |
| Supply Ability | 1000 | Warranty Period | 12 Months |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Delivery Time | 3 to 7 days |
| Application | Excavators, wheel loaders, heavy‑duty trucks, SR4 generator sets | Part Number | 4W7037 |
| Place of Origin | guangdong | Model Number | 4W7037 |
| Brand Name | Ca-terpillar | ||
| High Light | Caterpillar diesel fuel injector ，Caterpillar fuel injection system ，4W7037 Caterpillar fuel injector | ||
4W7037 is a Ca-terpillar mechanical pencil‑style diesel fuel injector. It delivers precise fuel atomization and stable combustion output under heavy‑duty working conditions, featuring excellent durability for long‑time off‑road operation, serving as a high‑quality direct‑replacement spare part for Ca-terpillar heavy‑duty diesel engines. It fits Ca-terpillar 3406B, 3406C, 3412, 3412C diesel engines, widely applied on 375/375L excavators, SR4 generator sets and heavy‑duty industrial machinery. Cross‑reference OEM numbers are 0R3425, 9Y3070. 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 4W7037 injector fit? | Cat 3406B, 3406C, 3412, 3412C diesel engines. |
| 2 | What OEM numbers does 4W7037 replace? | 4W7037, 0R3425, 9Y3070. |
| 3 | What reman numbers cross over with 4W7037? | 0R3425, 9Y3070. |
| 4 | Which machines use the 4W7037 injector? | 375/375L excavators, SR4 generator sets, heavy‑duty industrial machinery. |
| 5 | Is 4W7037 injector tested before shipping? | Yes, every unit is 100% bench flow and spray tested before dispatch. |
| 6 | What warranty do you offer for 4W7037? | 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 |
Company Details
Business Type:
Manufacturer
Total Annual:
>1000000
Employee Number:
50~120
Ecer Certification：
Verified Supplier
Guangzhou Zhuohang Automotive Parts Co., Ltd. We are a professional diesel parts exporter based in Guangzhou, China. We offer two product lines: Brand New & Remanufactured Core products: diesel injection pumps, fuel injectors and engine ECU controllers. Our parts are compatible with Bo-sch,... Guangzhou Zhuohang Automotive Parts Co., Ltd. We are a professional diesel parts exporter based in Guangzhou, China. We offer two product lines: Brand New & Remanufactured Core products: diesel injection pumps, fuel injectors and engine ECU controllers. Our parts are compatible with Bo-sch,...
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