Caterpillar original Truck Fuel Injector 178-0199 OEM 10R-0782 10R-9237 178-6342 10R-1257 Common Rail Injector 173-4059 173-4566 177-4754 original new injector

Caterpillar original Truck Fuel Injector 178-0199 OEM 10R-0782 10R-9237 178-6342 10R-1257 Common Rail Injector 173-4059 173-4566 177-4754 original new injector

The Caterpillar 173-4059 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 Series Fuel Injector 173-4059 is a heavy-duty diesel fuel injection component designed for CAT 3126, 3126B, and 3126E 7.2L diesel engines. This injector is commonly used in industrial engines, medium-duty trucks, buses, construction machinery, marine propulsion systems, generators, and other Caterpillar-powered equipment. This product is commonly searched and purchased under multiple OE, reman, replacement, aftermarket, and interchange numbers, including 173-4059, 1734059, 0R9349, EX639349, 1260499, 1317150, 1739267, 1739268, 1961401, 2225967, 1643355, 10R8999, 10R9238, and 2184109. These numbers appear across public diesel injector supplier databases and reman injector listings for Caterpillar 3126 applications. Multiple reman suppliers list 0R9349 / EX639349 as injector references for Caterpillar 3126, with cross references including 1734059, 1260499, 1317150, 1739267, 1739268, 1961401, 2225967, 1643355, 10R8999, 10R9238, and 2184109. This injector is built for reliable fuel atomization, accurate injection control, efficient combustion, reduced smoke, stable idle performance, and long service life under demanding diesel engine operating.