Ca-terpillar 557-7637 C9 Fuel Injector T434154 459-8473 for 330D 336D 340D
Product Details
| OEM Part No.: | 557-7637 | Reman Interchange: | 459-8473 / 553-2592 / 387-9437 / T434154 |
|---|---|---|---|
| Injector Type: | Hydraulically Actuated Electronically Controlled Unit Injector | Engine Fitment: | Selected Ca-terpillar C9 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 C9 fuel injector,Caterpillar 330D fuel injector,Caterpillar 336D fuel injection system |
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Product Description
Ca-terpillar 557-7637 C9 Fuel Injector T434154 459-8473 for 330D 336D 340D
Product Description
The Ca-terpillar 557-7637 is an electronically controlled diesel fuel injector assembly for selected Ca-terpillar C9 engines. It provides accurate fuel delivery 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 components and reliable performance under heavy-duty conditions. It is commonly used in selected 330D, 336D, 340D and 340D2 excavators, as well as compatible industrial and construction equipment. Confirm the original injector number, engine serial number, arrangement number and calibration specification before ordering.
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 C9 diesel engines. |
| 2 | Which applications? | Commonly used in selected 330D, 336D, 340D and 340D2 excavators and other compatible C9-powered equipment. |
| 3 | What are the interchange numbers? | Commonly associated references include 459-8473, 553-2592, 387-9437 and T434154. Confirm direct interchange before ordering. |
| 4 | What is the reman interchange number? | 20R-8062 is associated with the 387-9437 C9 injector family. Calibration compatibility must be verified. |
| 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. Injector calibration and ECM settings must be checked 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. |
Product Highlights
Ca-terpillar 557-7637 C9 Fuel Injector T434154 459-8473 for 330D 336D 340D Product Description The Ca-terpillar 557-7637 is an electronically controlled diesel fuel injector assembly for selected Ca-terpillar C9 engines. It provides accurate fuel delivery and consistent atomization to help restore ...
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