Guangzhou Zhuohang Auto Parts Co., Ltd.
| Supply Ability | 1000 |
| Injector Type | H1315B HEUI Hydraulic Electronic Unit Injector |
| Full After-Sales Support | 6–12-month warranty, technical support and replacement service for confirmed manufacturing defects |
| OEM Part No. | 557-7633 |
| Packaging Details | Neutral packing |
| Payment Terms | L/C,D/A,D/P,T/T |
| Engine Fitment | Selected Ca-terpillar C9 diesel engines |
| Delivery Time | 3-5days |
| Reman Interchange | 10R-7222 / 20R-1917 / 20R-8968 |
| Ready to Install** | Direct-fit after compatibility and calibration confirmation |
| Brand Name | Ca-terpillar |
| Model Number | 557-7633 |
| Place of Origin | guangdong |
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Product Specification
| Supply Ability | 1000 | Injector Type | H1315B HEUI Hydraulic Electronic Unit Injector |
| Full After-Sales Support | 6–12-month warranty, technical support and replacement service for confirmed manufacturing defects | OEM Part No. | 557-7633 |
| Packaging Details | Neutral packing | Payment Terms | L/C,D/A,D/P,T/T |
| Engine Fitment | Selected Ca-terpillar C9 diesel engines | Delivery Time | 3-5days |
| Reman Interchange | 10R-7222 / 20R-1917 / 20R-8968 | Ready to Install** | Direct-fit after compatibility and calibration confirmation |
| Brand Name | Ca-terpillar | Model Number | 557-7633 |
| Place of Origin | guangdong | ||
| High Light | C9 HEUI fuel injector for excavators ，Ca-terpillar 557-7633 fuel injector ，330D excavator fuel injection system | ||
The 557-7633 is an H1315B HEUI hydraulic electronic unit injector designed for selected Ca-terpillar C9 diesel engines. It provides accurate fuel metering, stable atomization and wear-resistant performance, helping restore engine power, improve fuel efficiency and maintain smooth operation. Typical applications include selected 330D, 336D and 340D excavators, 140M/160M motor graders, 973C loaders, 814F II/815F II/816F II machines, wheel scrapers and industrial equipment. Confirm the original injector number, engine serial number, arrangement number and calibration 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 | New or reman? | New and remanufactured options are available. |
| 3 | OE interchange? | 387-9433, 553-2592 and 572-0119. |
| 4 | Warranty? | 6–12 months for confirmed quality issues. |
| 5 | Worldwide shipping? | Yes, by DHL, FedEx, UPS, air or sea freight. |
| 6 | Plug-and-play? | Direct-fit after confirming the ESN and calibration. |
| Part No. | Interchange No. | Engine Fitment | Typical Applications | Notes |
|---|---|---|---|---|
| 387-9434 | 293-4071, 328-2573; Reman: 10R-7221, 20R-8063 | Ca-terpillar C9 | D6R, D6T and D7R tractors; 511 and 2290 track feller bunchers | H1315B HEUI; 1.7 SF calibration family. |
| 387-9435 | Reman: 20R-8427 | Ca-terpillar C9 | Selected C9 truck-engine applications | H1315B HEUI; 2.54 SF calibration family. |
| 387-9436 | Reman: 20R-8068 | Ca-terpillar C9 | C9 generator sets and marine engines | H1315B HEUI; 2.2 SF calibration family. |
| 387-9438 | 293-4067, 328-2577; Reman: 10R-4764, 20R-8060 | Ca-terpillar C9 | Selected C9 truck-engine applications | H1315B HEUI; 1.96 SF calibration family. |
| 459-8473 | T400726, T434154, 557-7637 | Ca-terpillar C9 and selected Perkins 1506-series engines | Generator sets, industrial engines and selected heavy equipment | Cross-reference is application-specific; verify the ESN and calibration. |
| 553-2592 | 387-9433, 557-7633, 572-0119; Reman: 10R-7222, 20R-1917, 20R-8968 | Ca-terpillar C9 | 330D/336D excavators, 140M/160M graders, 814F II/815F II/816F II equipment and 637G scrapers | H1315B HEUI; verify the injector calibration. |
| 557-7633 | 387-9433, 553-2592; Reman: 20R-8968 | Ca-terpillar C9 | 330D/336D/340D excavators, 973C loader, 140M/160M graders, compactors, scrapers and industrial equipment | Current H1315B injector family; 1.96 SF calibration. |
| 557-7637 | 459-8473, T400726, T434154 | Ca-terpillar C9 and selected Perkins 1506-series engines | Generator sets, industrial engines and selected excavator applications | Official equipment fitment is not listed; confirm the ESN and original number. |
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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