Guangzhou Zhuohang Auto Parts Co., Ltd.
| Packaging Details | Neutral packing |
| Supply Ability | 1000 |
| Injector Type | Hydraulically Actuated Electronically Controlled Unit Injector |
| Full After-Sales Support | 6–12-month warranty, technical support and replacement service for confirmed manufacturing defects |
| OEM Part No. | 243-4502 |
| Ready to Install** | Direct replacement for confirmed applications; injector trim calibration is required |
| Payment Terms | L/C,D/A,D/P,T/T |
| Engine Fitment | Ca-terpillar C7 7.2L diesel engine |
| Delivery Time | 3-5days |
| Reman Interchange | 10R-4761, 20R-8057 |
| Model Number | 243-4502 |
| Brand Name | Ca-terpillar |
| Place of Origin | guangdong |
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Product Specification
| Packaging Details | Neutral packing | Supply Ability | 1000 |
| Injector Type | Hydraulically Actuated Electronically Controlled Unit Injector | Full After-Sales Support | 6–12-month warranty, technical support and replacement service for confirmed manufacturing defects |
| OEM Part No. | 243-4502 | Ready to Install** | Direct replacement for confirmed applications; injector trim calibration is required |
| Payment Terms | L/C,D/A,D/P,T/T | Engine Fitment | Ca-terpillar C7 7.2L diesel engine |
| Delivery Time | 3-5days | Reman Interchange | 10R-4761, 20R-8057 |
| Model Number | 243-4502 | Brand Name | Ca-terpillar |
| Place of Origin | guangdong | ||
| High Light | Caterpillar C7 HEUI fuel injector ，Caterpillar 7.2L diesel fuel injector ，10R-4761 fuel injector replacement | ||
The 243-4502 is a Hydraulically Actuated Electronically Controlled Unit Injector for selected Ca-terpillar C7 7.2L diesel engines. It provides accurate fuel metering and stable atomization to help restore power, improve fuel efficiency and maintain smooth engine operation. Its wear-resistant construction and bench-tested performance make it suitable primarily for compatible low-horsepower commercial truck-engine applications.
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 engine does it fit? | Selected Ca-terpillar C7 7.2L diesel engines with the correct low-horsepower calibration. |
| 2 | What are the interchange numbers? | 10R-4761, 20R-8057, 222-5961, 233-3536, 236-0973, 241-3238, 295-1408, 328-2583 and 387-9430. |
| 3 | Is 243-4502 still available? | The original reference is discontinued, but compatible replacement and remanufactured options may be available. |
| 4 | Which applications use it? | Primarily selected medium-duty commercial trucks powered by Ca-terpillar C7 engines. |
| 5 | Is it a common rail injector? | No. It is a HEUI injector operated by high-pressure engine oil and electronic control. |
| 6 | Is it ready to install? | It is a direct replacement for confirmed applications, but the trim code and ECM calibration must be checked. |
| Part No. | Interchange No. | Engine Fitment | Typical Applications | Notes |
|---|---|---|---|---|
| 10R-4761 | 20R-8057, 387-9430 | Ca-terpillar C7 | Low-horsepower commercial truck engines | Reman HEUI injector; discontinued reference. |
| 10R-4763 | 20R-8059, 387-9428 | Ca-terpillar C7 | High-horsepower trucks and selected construction equipment | Reman HEUI injector; discontinued reference. |
| 10R-7225 | 20R-8066, 20R-9079, 387-9427 | Ca-terpillar C7 | Excavators, loaders, graders, skidders and asphalt pavers | Machine-application HEUI injector. |
| 20R-1260 | 20R-8071, 387-9426 | Ca-terpillar C7 | 545C wheel skidders and 584/584HD forwarders | Reman HEUI injector with a separate calibration. |
| 222-5961 | 10R-4761, 20R-8057, 387-9430 | Ca-terpillar C7 | Low-horsepower commercial truck engines | Discontinued; belongs to the 10R-4761 injector family. |
| 235-5261 | Not applicable | Not applicable | Engine and power-package electrical systems | Cable assembly, not a fuel injector. Remove from the injector list. |
| 239-8901 | Not confirmed | Reported for Ca-terpillar C7 | Application not reliably confirmed | No reliable Ca-terpillar injector record found; verify the number. |
| 241-3238 | 10R-4761, 20R-8057, 387-9430 | Ca-terpillar C7 | Low-horsepower commercial truck engines | Belongs to the 10R-4761 HEUI family. |
| 241-3239 | 10R-4762, 20R-8058, 387-9429 | Ca-terpillar C7 | Medium-horsepower commercial truck engines | MHP-truck HEUI calibration. |
| 241-3400 | 10R-4763, 20R-8059, 387-9428 | Ca-terpillar C7 | High-horsepower trucks and selected construction equipment | Discontinued; belongs to the 10R-4763 family. |
| 243-4502 | 10R-4761, 20R-8057, 387-9430 | Ca-terpillar C7 | Low-horsepower commercial truck engines | Discontinued; belongs to the 10R-4761 family. |
| 263-8218 | 10R-7225, 20R-9079, 387-9427 | Ca-terpillar C7 | 324D/325D/329D excavators, loaders, graders and pavers | Machine-application HEUI injector. |
| 268-1835 | 10R-7225, 20R-9079, 387-9427 | Ca-terpillar C7 | 324D/325D/328D/329D excavators, 950H/962H loaders and skidders | Discontinued; belongs to the 10R-7225 family. |
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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