Caterpillar original 104-3377 0R-8786 138-8756 126-0499 2225966 10R0781 222-5966 20R-0759 173-4059 Fuel Injector Suitable for CAT 3126B 3126E Engine original new injector

Caterpillar original 104-3377 0R-8786 138-8756 126-0499 2225966 10R0781 222-5966 20R-0759 173-4059 Fuel Injector Suitable for CAT 3126B 3126E Engine original new injector

Designed specifically for Caterpillar diesel engines, the 173-4059 fuel injector ensures optimal fuel delivery and combustion efficiency. Part Number 173-4059 is widely utilized in Caterpillar-powered equipment operating within construction, mining, quarrying, marine propulsion, industrial power generation, agricultural machinery, and transportation sectors. This injector provides reliable performance across all these application areas while meeting or exceeding original equipment quality standards. It's built with durable materials and precision engineering to ensure long service life and dependable operation. This fuel injector plays a critical role in maintaining your engine's performance, fuel efficiency, and overall reliability, making it an essential component for your heavy-duty equipment maintenance and repair requirements. It is designed to provide consistent fuel delivery, optimal combustion, and reliable operation in diverse operating conditions, from construction sites to mining operations and marine applications, ensuring that your equipment operates at peak efficiency 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 conditions. 1. OE Number /.