Caterpillar original Construction Machinery Fuel Injector for C13 Engine, for heavy duty diesel engine application, 239-4908, 10R-3147, 249-0708, Replacement for OEM 249-0713 original new injector

The CAT 239-4908 is an industrial-grade diesel fuel injector assembly built for Caterpillar C13 series heavy-duty diesel engines, including C13 ACERT, industrial, generator set, marine power unit and truck engine variants. Designed for harsh operating conditions, it fits heavy equipment across construction, mining, transportation, marine, oilfield and power generation sectors, such as excavators, wheel loaders, bulldozers, mining trucks, generator sets and oilfield power units. It is a reliable OEM-spec replacement for equipment fleets, maintenance providers and engine rebuilders.

Constructed from precision-machined hardened alloy steel with anti-corrosion treatment, the injector meets OEM equivalent quality standards, delivering stable fuel flow, consistent injection timing and long service life in severe-duty environments. As a high-pressure electronic common rail component, it enables precise fuel metering and fine atomization to optimize combustion efficiency, boost engine power, reduce fuel consumption, lower particulate emissions and cut operating noise, with added benefits of high pressure resistance, low leakage and excellent thermal performance.

Every unit is 100% flow tested before delivery, shipped in export standard packaging and covered by a 12-month warranty. OEM and private label services are available for B2B customers, with 1-piece MOQ, 3-15 working day delivery and multiple global shipping options. For sustained performance, follow OEM maintenance schedules, use clean diesel, replace filters regularly and conduct standardized diagnostic checks as needed.