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Ca-terpillar 557-7627 C7 HEUI Fuel Injector 20R-9079 for Excavators and Heavy Equipment
Basic Properties
Trading Properties
| OEM Part No.: | 557-7627 | Reman Interchange: | 20R-9079 / 20R-8066 / 10R-7225 |
|---|---|---|---|
| Injector Type: | Hydraulically Actuated Electronically Controlled Unit Injector | Engine Fitment: | Selected Ca-terpillar C7 Low-horsepower Truck 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 HEUI fuel injector,Caterpillar 557-7627 fuel injector,Excavator HEUI fuel injector |
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Ca-terpillar 557-7627 C7 HEUI Fuel Injector 20R-9079 for Excavators and Heavy Equipment
Product Description
The Ca-terpillar 557-7627 is a Hydraulically Actuated Electronic Unit Injector designed for selected Ca-terpillar C7 diesel engines. It delivers accurate fuel metering and stable atomization to help restore power, improve fuel efficiency and maintain smooth engine operation. Manufactured to OEM-reference specifications and bench-tested before shipment, it features wear-resistant components, reliable high-pressure performance and a direct-fit design. Typical applications include selected 324D/325D/329D excavators, 950H/962H wheel loaders, 525C/535C/545C wheel skidders, motor graders, asphalt pavers and industrial equipment. Confirm compatibility using the original injector number, engine serial number, arrangement number and calibration specification.
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 engines. |
| 2 | Which applications? | Selected excavators, wheel loaders, wheel skidders, motor graders, asphalt pavers and industrial equipment. |
| 3 | What are the new-part interchange numbers? | Common references include 268-1835, 268-1839, 295-1411, 328-2585 and 387-9427. |
| 4 | What are the reman interchange numbers? | The primary remanufactured reference is 20R-9079; earlier references include 10R-7225 and 20R-8066. |
| 5 | Is it tested before shipment? | Yes. Each injector is bench-tested for fuel delivery, leakage and operating performance. |
| 6 | Is it ready to install? | It is a direct-fit replacement for confirmed applications. Verify the injector calibration and ECM requirements before use. |
| Part No. | Interchange No. | Engine Fitment | Typical Applications | Notes |
|---|---|---|---|---|
| 268-1836 | 295-1412, 328-2586, 387-9426, 20R-1260, 20R-8071 | Ca-terpillar C7 | 584/584HD forwarders, 545C wheel skidders, industrial and petroleum engines | Legacy reference in the C7 1.7 SF injector family. |
| 268-1839 | 263-8218, 268-1835, 295-1411, 328-2585, 387-9427, 557-7627, 10R-7225, 20R-8066, 20R-9079 | Ca-terpillar C7 | 324D/325D/329D excavators, 950H/962H wheel loaders, motor graders, skidders and asphalt pavers | Earlier reference in the C7 1.58 SF injector family. |
| 268-1840 | No universal interchange confirmed | Ca-terpillar C7 | Selected 324D and 325D excavators and C7 industrial applications | Multiple catalog conflicts exist; match the original injector number and calibration code. |
| 295-1411 | 268-1835, 268-1839, 328-2585, 387-9427, 557-7627, 10R-7225, 20R-8066, 20R-9079 | Ca-terpillar C7 | Primarily 325D L and 329D L excavators | Discontinued reference; belongs to the C7 1.58 SF family. |
| 295-1412 | 268-1836, 328-2586, 387-9426, 20R-1260, 20R-8071 | Ca-terpillar C7 | 584/584HD forwarders, 545C wheel skidders, industrial and petroleum engines | Earlier reference in the C7 1.7 SF injector family. |
| 328-2585 | 268-1835, 268-1839, 295-1411, 387-9427, 557-7627, 10R-7225, 20R-8066, 20R-9079 | Ca-terpillar C7 | 324D/325D/329D excavators, 950H/962H wheel loaders, 525C/535C/545C skidders and motor graders | Discontinued; use the correct C7 1.58 SF calibration. |
| 328-2586 | 268-1836, 295-1412, 387-9426, 20R-1260, 20R-8071 | Ca-terpillar C7 | 584/584HD forwarders, 545C wheel skidders and C7 industrial engines | Discontinued; C7 1.7 SF calibration family. |
| 387-9426 | 268-1836, 295-1412, 328-2586, 20R-1260, 20R-8071 | Ca-terpillar C7 | 584/584HD forwarders, 545C wheel skidders, industrial and petroleum engines | New-part reference; 20R-8071 is the remanufactured alternative. |
| 387-9427 | 268-1835, 268-1839, 295-1411, 328-2585, 557-7627, 10R-7225, 20R-8066, 20R-9079 | Ca-terpillar C7 | Excavators, wheel loaders, motor graders, wheel skidders, asphalt pavers and industrial engines | C7 1.58 SF calibration family. |
| 387-9430 | 222-5961, 241-3238, 243-4502, 295-1408, 328-2583, 10R-4761, 20R-8057 | Ca-terpillar C7 | Low-horsepower commercial truck engines | Separate truck calibration; not interchangeable with the machine injector families above. |
| 557-7627 | 268-1835, 268-1839, 295-1411, 328-2585, 387-9427, 10R-7225, 20R-8066, 20R-9079 | Ca-terpillar C7 | 324D/325D/329D excavators, 950H/962H wheel loaders, motor graders, skidders and asphalt pavers | Current/newer reference; 20R-9079 is the remanufactured alternative. |
| 557-7637 | 459-8473, 553-2592, T434154 | Ca-terpillar C9 | Selected 330D, 336D and 340D-series excavators and other C9 applications | C9 injector—not interchangeable with the C7 injectors listed above. Confirm the exact engine serial number. |
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