Caterpillar original Diesel Fuel Injector 1OR-0781 131-7150 183-6797 222-5966 for Caterpillar 3126B Engine 324D 325C Excavator original new injector
Caterpillar original Diesel Fuel Injector 1OR-0781 131-7150 183-6797 222-5966 for Caterpillar 3126B Engine 324D 325C Excavator original new injector
Brand | Caterpillar |
OE Number | 1OR-0781 |
Quality Standard | OEM Equivalent |
Product Type | Diesel Fuel Injector |
Fuel Type | Diesel |
Warranty | 6–12 months depending on supplier policy |
Injector Type | Diesel Fuel Injector |
Vehicle / Equipment Application | Caterpillar 3126 Marine, Caterpillar 3126 Industrial, Caterpillar 3126 Generator Set, On-highway truck Freightliner medium-duty truck, On-highway truck International medium-duty truck, On-highway truck Sterling truck, Emergency vehicle Fire truck / rescue vehicle, Municipal fleet Garbage truck, utility truck, service truck |
Application Type | Industrial / Commercial |
Applicable Engine | Caterpillar 3126, Caterpillar 3126B, Caterpillar 3126E, Caterpillar 3126 Marine, Caterpillar 3126 Industrial, Caterpillar 3126 Generator Set |
Packaging | Industrial Export Packaging |
Cross Number / Universal Number | 1OR-0781, 10R0781, 10R-0781, 1OR0781, 0R0781, 100781 |
The Caterpillar 1OR-0781 fuel injector represents advanced fuel injection technology for modern diesel engine platforms. Proper injector performance directly impacts engine power output, fuel economy, exhaust emissions, cold starting capability, and overall engine longevity. This injector delivers all these benefits while maintaining compatibility with a wide range of Caterpillar engine models and equipment types. It's designed to provide optimal fuel delivery and combustion efficiency in all operating conditions, ensuring that your engine operates at peak performance while minimizing fuel consumption and emissions. This component is a smart choice for maintaining your equipment's reliability, productivity, and overall performance over time, making it an excellent investment for your operation. It is built with durable materials and advanced engineering techniques to ensure that it can withstand the challenges of heavy-duty use while providing optimal fuel delivery and combustion efficiency, ensuring that your engine operates at peak performance while minimizing downtime and maintenance costs. The Caterpillar 3126 Fuel Injector 1OR-0781 / 10R0781 / 10R-0781 is a heavy-duty HEUI diesel fuel injector designed for Caterpillar 3126 series engines, including common applications on CAT 3126, 3126B, and 3126E diesel engines. Public diesel parts catalogs list 10R-0781 as a remanufactured injector for Caterpillar 3126B engines, and aftermarket injector suppliers commonly associate this injector with the 3126 and 3126B HEUI fuel system. This injector is used in industrial diesel applications where accurate injection timing, stable fuel atomization, reliable solenoid response, and durable high-pressure operation are required. It is commonly sold as a remanufactured / exchange / replacement injector for truck fleets, construction machinery, generators, marine engines, agricultural equipment, and off-highway equipment. OE Number / Replacement Number / Cross Reference Database Public aftermarket supplier listings commonly connect 10R0781 / 10R-0781 with cross references such as 197-7107, 198-6605, 199-6065, 222-5926, EX630781, and related supplier numbers. Dieselogic lists cross-reference/replacement numbers including.











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