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Ca-terpillar 328-9644 C7 Common Rail Fuel Injector 20R-5079 for Truck Engines
Basic Properties
Trading Properties
| OEM Part No.: | 328-9644 | Reman Interchange: | 20R-5079 |
|---|---|---|---|
| Injector Type: | High-pressure Common Rail Fuel Injector | Engine Fitment: | Selected Ca-terpillar C7 Diesel Engines |
| Ready To Install**: | Direct-fit After Compatibility And Calibration Confirmation | Full After-Sales Support: | 6–12-month Warranty, Technical Support And Replacement Service For Confirmed Manufacturing Defects |
| Highlight | Caterpillar C7 fuel injector,Common rail fuel injector 20R-5079,Truck engine fuel injection system |
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Ca-terpillar 328-9644 C7 Common Rail Fuel Injector 20R-5079 for Truck Engines
Product Description
The Ca-terpillar 328-9644 is a high-pressure common rail fuel injector designed for selected Ca-terpillar C7 diesel truck engines. It delivers precise fuel metering and consistent atomization to help restore engine power, improve fuel efficiency and maintain smooth operation. Manufactured to OEM-reference specifications and bench-tested before shipment, it features wear-resistant internal components and reliable high-pressure performance. It is primarily suitable for selected commercial trucks and compatible on-highway C7 applications. Confirm compatibility using the original injector number, engine serial number, horsepower rating and calibration code.
Available from MOQ 1 pc, with fast worldwide shipping and a 6–12-month warranty, it provides a reliable and cost-effective replacement option for compatible OEM applications.
We are a professional manufacturing factory dedicated to diesel engine spare parts. Our core product line covers diesel fuel injectors, injector nozzles, fuel injection pumps and complete injector repair kits. Backed by steady in-house stock, rigorous quality inspection and direct factory pricing, we partner with global wholesalers, maintenance workshops and machinery enterprises. We deliver premium reliable spare parts, fast lead time and all-round one-stop export service. We warmly welcome your inquiries and long-term business cooperation.
| # | Question | Answer |
|---|---|---|
| 1 | Which engines? | Selected Ca-terpillar C7 diesel truck engines. |
| 2 | Which applications? | Primarily selected commercial trucks and compatible on-highway C7 applications. |
| 3 | What are the new-part interchange numbers? | Common references include 294-3028, 392-9044 and 456-3544. |
| 4 | What is the reman interchange number? | The commonly associated remanufactured reference is 20R-5079. |
| 5 | Is it tested before shipment? | Yes. Each injector is tested for fuel delivery, leakage, atomization and operating performance. |
| 6 | Is it ready to install? | It is a direct-fit replacement for confirmed applications. Verify the calibration code and ECM requirements before installation. |
| Part No. | Interchange No. | Engine Fitment | Typical Applications | Notes |
|---|---|---|---|---|
| 364-7040 | 364-7074, T408845, LJBB05901B | Ca-terpillar C7.1 | XQP150 generator sets; DE150/DE165/DE200/DE220-series generator sets; industrial engines | Common rail injector supplied with clip and seal. Verify engine serial number. |
| 454-5091 | T419385; 398-1507 commonly referenced | Ca-terpillar C7.1 | 320D2, 320D2 GC, 320D2 L, 323D3 and 324 excavators; 527 track skidder | Low-top common rail injector. Confirm the original injector number and calibration code. |
| 294-3028 | 328-9644, 392-9044, 456-3544, 20R-5079 | Ca-terpillar C7 | Selected C7 commercial truck engines | Discontinued reference in the C7 common rail injector family. Verify the horsepower rating. |
| 328-9644 | 294-3028, 392-9044, 456-3544, 20R-5079 | Ca-terpillar C7 | Selected C7 commercial truck engines | Discontinued. Do not confuse it with 328-9645 or 328-9649. |
| 456-3543 | 460-8213 commonly referenced | Ca-terpillar C9.3 | Selected 336E-series excavators and compatible construction or industrial equipment | Common rail injector. Do not confuse 456-3543 with the C7 injector 456-3544. |
| 286-4552 | No universal interchange confirmed | Ca-terpillar C7 | Selected low-horsepower C7 commercial truck engines | LHP calibration. 286-4551 is an HHP injector and should not be treated as a direct interchange. |
| 172-5780 | 188-8739, 217-2570, 235-2888, 235-9649, 236-0962, 10R-7224 | Ca-terpillar C9 / C-9 | 330C excavators, D6R II tractors, 627G/637G scrapers, 973C track loaders and industrial equipment | Early reference in the C9 HEUI injector family. |
| 188-8739 | 172-5780, 217-2570, 235-2888, 235-9649, 236-0962, 10R-7224 | Ca-terpillar C9 / C-9 | 330C excavators, D6R II tractors, 627G/637G scrapers, 973C track loaders and industrial equipment | Earlier C9 HEUI reference; verify injector trim and engine arrangement. |
| 217-2570 | 172-5780, 188-8739, 235-2888, 235-9649, 236-0962, 10R-7224 | Ca-terpillar C9 / C-9 | 330C excavators, D6R II tractors, wheel scrapers and industrial equipment | Part of the 10R-7224 remanufactured injector family. |
| 235-9649 | 172-5780, 188-8739, 217-2570, 235-2888, 236-0962, 10R-7224 | Ca-terpillar C9 / C-9 | Selected C9 truck, excavator and heavy-equipment applications | Confirm direct replacement using the engine serial number and injector calibration. |
| 236-0962 | 172-5780, 188-8739, 217-2570, 235-2888, 235-9649, 10R-7224 | Ca-terpillar C9 / C-9 | 330C excavators, D6R II tractors, 627G/637G scrapers, 973C track loaders, Challenger tractors and feller bunchers | New-part reference; 10R-7224 is the corresponding remanufactured option. |
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