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Caterpillar original Diesel Fuel Injector 10R-0781 10R-0782 for Caterpillar 3126B 3126E C7 Engine 20R-8758, Excavator Construction Machinery Spare Parts Replacement for 10R-9239 original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 10R-0781 |
| MOQ: | 1 |
| Price: | $86-$141 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar Diesel Fuel Injector 10R-0781
,CAT 3126B engine fuel injector
,Excavator Diesel Injector replacement
Caterpillar original Diesel Fuel Injector 10R-0781 10R-0782 for Caterpillar 3126B 3126E C7 Engine 20R-8758, Excavator Construction Machinery Spare Parts Replacement for 10R-9239 original new injector
Fuel Type | Diesel |
Condition | Original CAT Replacement |
Applicable Engine | Selected Caterpillar 3126, 3126B, 3126E and C7 7.2L inline-six medium-duty diesel engines (fitment verification required) |
Injector Type | HEUI (Hydraulic Electronic Unit Injector), Injector GP-Fuel / Unit Injector Assembly |
Quality Standard | Industrial Grade |
Packaging | Not Specified |
Fuel System | Caterpillar HEUI (Hydraulically Actuated Electronically Controlled) Fuel System |
OE Number | 10R-0781 (alternate compact format: 10R0781) |
Brand | CAT (Caterpillar) |
Cross Number / Universal Number | 197-7107 / 1977107, 198-6605 / 1986605, 199-6065 / 1996065, 222-5966 / 2225966, EX630781; CA-prefix variants: CA10R0781, CA1977107, CA1986605, CA1996065, CA2225966; 222-5926 / 2225926 (requires pre-shipment verification) |
Vehicle / Equipment Application | Medium-duty trucks (Freightliner, Ford, GM, International, Kenworth, Western Star), school buses, transit buses, RVs/motorhomes, marine vessels, fire trucks, cranes, construction equipment, agricultural equipment, compressors, drilling equipment, crushing equipment, forestry equipment, forklifts, hydraulic power units, irrigation equipment, mining equipment, paving equipment, pumps, trenching equipment, power units |
Application Type | On-highway medium-duty, vocational, marine, industrial, construction, off-highway diesel applications |
For B2B buyers including diesel parts distributors, fleet maintenance teams and construction equipment service centers, the Caterpillar 10R-0781 HEUI diesel fuel injector is an original-style replacement component for selected CAT 3126 series and C7 medium-duty diesel engines. It fits 3126, 3126B, 3126E and 7.2L C7 inline-six platforms, covers a broad range of on-highway, marine and industrial applications, and matches common aftermarket cross-reference numbers to simplify parts lookup. The injector is sold individually, with 6 units required for a full 6-cylinder engine service.
Built for Caterpillar’s HEUI fuel system, the injector operates under the engine’s Electronic Control Module, which adjusts injection timing and duration using real-time sensor data, while high-pressure engine oil supplies hydraulic force to amplify fuel injection pressure. This electronically controlled, hydraulically actuated design supports optimized performance across cold starts, warm-up, emissions compliance, fuel economy, noise reduction and consistent drivability, matching original CAT 3126 family injector operating specifications.
To prevent installation errors and costly engine damage, buyers must verify fitment before ordering by cross-checking engine serial number, arrangement number, horsepower rating, removed injector part number, injector code and ECM calibration. Visually similar CAT injector families are not interchangeable across ratings, and incorrect selection can cause misfire, excessive smoke, rough idle, low power, hard starting or permanent engine damage, making pre-purchase validation critical for all service operations.
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Contact Detail:
ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province Tel:+86 020 88557755
Cellphone:+86 19959162250 WhatsApp:+86 19959162250
Email:2209396088@qq.com
