Caterpillar original Mechanical Engine Parts Diesel Injector 10R-0781 10R-0782 10R-9237 for erpillar 3162 3162B Fuel Injector original new injector
Caterpillar original Mechanical Engine Parts Diesel Injector 10R-0781 10R-0782 10R-9237 for erpillar 3162 3162B Fuel Injector original new injector
Warranty | 6 months / 12 months / customized warranty depending on supplier policy |
Injector Type | Diesel Fuel Injector |
Applicable Engine | 3126 Series, 3126B, 3126E, C7, CAT 3126, Caterpillar 3126 |
OE Number | 10R-0781 |
Fuel System | Replace fuel filter if contamination is suspected |
Vehicle / Equipment Application | Caterpillar 3126B Marine, Caterpillar 3126 Industrial, CAT 3126B 3126B truck / bus / RV engine, CAT 3126B Marine 3126B marine engine, CAT C7 Industrial Industrial C7 engines, Medium-Duty Truck Box truck, straight truck, delivery truck, vocational truck, RV / Motorhome Diesel pusher motorhome, commercial RV chassis, Emergency Vehicle Fire truck, ambulance, rescue truck |
Product Type | Diesel Fuel Injector |
Brand | Caterpillar |
Fuel Type | Diesel |
Cross Number / Universal Number | 10R-0781, 10R0781, 197-7107, 1977107, 198-6605, 1986605 |
Condition | Remanufactured / Replacement / New depending on stock |
Application Type | Industrial / Commercial |
Built for durability and consistent performance, the Caterpillar 10R-0781 injector is ideal for heavy-duty applications. The Caterpillar 10R-0781 injector represents an ideal replacement solution for OEM maintenance programs, engine overhaul projects, fleet service operations, and aftermarket diesel engine repair requirements worldwide. It offers a cost-effective solution without compromising on quality, performance, or reliability. This injector is designed to keep your equipment running smoothly and efficiently day after day, minimizing downtime and maximizing productivity. It's built with robust materials and precision engineering to ensure long service life and dependable operation in even the most demanding industrial environments, making it an excellent choice for your diesel engine maintenance and replacement needs. This component is an excellent investment in maintaining your equipment's performance and productivity over time, ensuring that your machinery operates at its best day after day while minimizing downtime and maximizing your operation's efficiency and profitability. The Caterpillar 10R-0781 / 10R0781 HEUI fuel injector is a diesel fuel injector replacement for selected Caterpillar 3126, 3126B, 3126E and C7 engine applications. It is commonly listed in the aftermarket as a remanufactured or replacement Hydraulic Electronic Unit Injector for CAT medium-duty diesel platforms, with frequently referenced interchange numbers including 197-7107, 198-6605, 199-6065, 222-5966 and EX630781. Multiple diesel parts suppliers list 10R-0781 for Caterpillar 3126B / 3126 / C7 applications, while cross-reference lists commonly include the above replacement numbers. This injector is designed for engines using Caterpillar’s HEUI fuel system, where the Electronic Control Module controls injection timing and duration, while high-pressure engine oil provides the hydraulic force required to intensify fuel injection pressure. Caterpillar 3126 HEUI service documentation describes the system as electronically controlled and hydraulically actuated, using high-pressure oil, ECM commands, sensor inputs and individual unit injectors to optimize starting, warm-up, emissions, fuel economy, noise and drivability. 1. Product Information Database 2.











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