Caterpillar original Caterpillar 6L4355 Fuel Injector Assembly for 3512 E3512 3512A Diesel Engine, Replacement for OEM new injector original new injector

The 6L4355 fuel injector is a heavy-duty mechanical injection component engineered specifically for the Caterpillar 3512A engine and the broader 3500 series diesel platform, including CAT 3508, 3508B, 3512, 3512A, 3512B, 3516, 3516B, and 3516C models. Manufactured from high strength alloy steel under OEM-level quality standards, this injector delivers precise fuel metering, stable fuel delivery, and optimized combustion efficiency, helping reduce fuel consumption, improve power output, and lower exhaust emissions in demanding operating environments.

Designed for long operating hours and high load factors, the 6L4355 is calibrated to maintain consistent injection pressure and atomization accuracy throughout its service life. It serves as a direct replacement for OEM part numbers 6L-4355, 0R8684, 4W7018, 8N7005, 7W5929, 7E6408, 4W7019, and 8N7006, making it a versatile fit for generator sets, marine propulsion systems, mining trucks, oilfield drilling rigs, and industrial power packs across power generation, marine, mining, and oil and gas industries.

Each 6L4355 injector is 100 percent factory tested for spray pattern, injection pressure, and leak performance, backed by a 12-month warranty and available in neutral, CAT style, or customized packaging. For best results, use clean diesel fuel, replace fuel filters on schedule, verify fuel line cleanliness, and follow OEM torque specifications during installation to ensure long-term reliability and consistent engine performance.