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Ca-terpillar 328-2578 C9 HEUI Fuel Injector for Heavy-Duty Truck Engines
Basic Properties
Trading Properties
| OEM Part No.: | 328-2578 | Reman Interchange: | 10R-4844 / 20R-8062 |
|---|---|---|---|
| Injector Type: | H1315B Hydraulically Actuated Electronic 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 HEUI fuel injector,heavy-duty truck fuel injector,Caterpillar fuel injection system |
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Ca-terpillar 328-2578 C9 HEUI Fuel Injector for Heavy-Duty Truck Engines
Product Description
The 328-2578 is an H1315B hydraulically actuated electronic unit injector designed for selected Ca-terpillar C9 and C-9 diesel truck engines. It provides accurate fuel metering, stable atomization and wear-resistant performance, helping restore engine power, improve fuel efficiency and maintain smooth operation. It is mainly used in selected heavy-duty trucks and commercial vehicles. 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 and C-9 diesel engines. |
| 2 | New or reman? | New and remanufactured options are available. |
| 3 | OE interchange? | 242-0139, 267-9717, 293-4068 and 387-9437. |
| 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 |
|---|---|---|---|---|
| 293-4074 | 267-9710, 267-9722, 328-2580, 387-9431; Reman: 10R-9003, 20R-8069, 20R-8846 | Ca-terpillar C9 | Generator sets, marine engines, industrial engines and petroleum equipment | H1315B HEUI; calibration-specific. |
| 320-2940 | No reliable direct interchange confirmed | Fitment requires verification | Market listings conflict between C9 and C6.6 applications | Verify the original injector number and engine data before publishing or ordering. |
| 328-2573 | 293-4071, 387-9434; Reman: 10R-7221, 20R-8063 | Ca-terpillar C9 | D6R, D6T and D7R tractors; 160M motor grader; 2290 track feller buncher | Discontinued reference; 1.7 SF calibration family. |
| 328-2574 | 267-3360, 267-3361, 293-4072, 387-9433, 557-7633; Reman: 10R-7222, 20R-8064, 20R-8968 | Ca-terpillar C9 | 330D, 336D and 340D excavators; 637D/637E scrapers; selected feller bunchers | Discontinued reference; verify calibration. |
| 328-2576 | 293-4073, 387-9432; Reman: 10R-7223, 20R-8065 | Ca-terpillar C9 | 973D track loader, 336D LN excavator, C9 marine and industrial engines | Discontinued reference; 2.2 SF calibration family. |
| 328-2577 | 293-4067, 387-9438; Reman: 10R-4764, 20R-8060 | Ca-terpillar C9 | Selected C9 truck-engine applications | Discontinued reference; 1.96 SF calibration family. |
| 328-2578 | 267-9717, 293-4068, 387-9437; Reman: 10R-4844, 20R-8062 | Ca-terpillar C9 / C-9 | Selected heavy-duty truck-engine applications | Discontinued reference; 2.2 SF calibration family. |
| 328-2580 | 267-9710, 267-9722, 293-4074, 387-9431; Reman: 10R-9003, 20R-8069, 20R-8846 | Ca-terpillar C9 | C9 generator sets, marine engines and industrial engines | Discontinued reference; verify calibration. |
| 387-9431 | 293-4074, 328-2580; Reman: 20R-8069, 20R-8846 | Ca-terpillar C9 | C9 generator sets, SR4B generators, marine, industrial and petroleum engines | H1315B hydraulic electronic unit injector. |
| 387-9432 | 293-4073, 328-2576; Reman: 10R-7223, 20R-8065 | Ca-terpillar C9 | XQP300 generator sets, 973D, 586C, 336D LN and 340D2 L equipment | H1315B HEUI; 2.2 SF calibration family. |
| 387-9433 | 267-3360, 267-3361, 293-4072, 328-2574, 557-7633; Reman: 10R-7222, 20R-8968 | Ca-terpillar C9 | 140M/160M motor graders, 814F II/815F II/816F II machines, excavators and wheel tractors | H1315B HEUI; verify the exact engine arrangement. |
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