3803512 Intake Valve for Cummins NT855 Engines

Product Overview:

3803512 is an upgraded reinforced intake valve specially designed for high-power Cummins NTA855 NT855 NH series engines. Adopting high-temperature resistant reinforced material and thickened valve stem, it features outstanding high temperature resistance and fatigue resistance. Not easy to deform or fracture under long-term heavy load operation, effectively enhance engine durability and running stability, ideal for heavy-duty, high-power engineering, marine and oilfield equipment.

Key Features:

✅Upgraded reinforced intake valve for high-power Cummins NTA855 NT855

✅Thickened valve stem design, enhanced structural strength

✅High-temperature resistant reinforced alloy material

✅Excellent high temperature & fatigue resistance

✅No deformation or fracture under long-term full load

✅Ideal for marine, oilfield and mining heavy-duty applications

✅Longer service life than standard intake valve

Performance Standard:

✅Working temperature resistance: ≤750℃ (130℃ higher than standard 135957)

✅Standard service life: 12000-15000 working hours (50% longer than standard)

✅Load capacity: Sustained full-load operation at 100% engine power

✅Main Material: Dual-Ni (Double Nickel) Heat-Resistant Alloy Steel (upgraded from single-nickel 135957)

✅Processing: Integral hot forging + full-body quenching & tempering

✅Stem treatment: Nitriding + precision mirror polishing

Why Choose Us ?
✅100% genuine CCEC quality, stable performance

✅Strict factory testing, long service life

✅Fast delivery, bulk order favorable price

✅Professional matching support