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7W7045 Ca-terpillar Diesel Fuel Injector
Basic Properties
Trading Properties
| Part Number: | 7W7045 | Product Type: | Diesel Fuel Injector |
|---|---|---|---|
| Compatible Engine: | Cat 3306, 3306B Diesel Engines | Application: | 973 / 973C Track Loaders, D7H Bulldozers, 350 Excavators, Industrial Generator Sets |
| Supply Option: | Brand New Or Remanufactured | Warranty Period: | 12 Months |
| Highlight | Caterpillar diesel fuel injector,Caterpillar fuel injection system,7W7045 fuel injector |
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7W7045 Ca-terpillar Diesel Fuel Injector
7W7045 is a Ca-terpillar mechanical pencil‑style diesel fuel injector. It delivers fine fuel atomization and consistent combustion performance under tough working conditions, with outstanding wear‑resistance for long‑term heavy‑duty operation, serving as a high‑quality direct‑replacement spare part for Ca-terpillar diesel engines. It fits Ca-terpillar 3306, 3306B diesel engines, widely applied on 973 / 973C track loaders, D7H bulldozers, 350 excavators and industrial generator sets. Cross‑reference OEM number is 0R3591. 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 7W7045 injector fit? | Cat 3306, 3306B diesel engines. |
| 2 | What OEM numbers does 7W7045 replace? | 7W7045, 0R3591. |
| 3 | What reman numbers cross over with 7W7045? | 0R3591. |
| 4 | Which machines use the 7W7045 injector? | 973/973C track loaders, D7H bulldozers, 350 excavators, industrial generator sets. |
| 5 | Is 7W7045 injector tested before shipping? | Yes, every unit is 100% bench flow and spray tested before dispatch. |
| 6 | What warranty do you offer for 7W7045? | 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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