3907163 Cummins DCEC Piston for 6BT 6BTA5.9 Engines

Product Overview:

The Cummins 3907163 is Original DCEC piston designed for Cummins B-series diesel engines, including the 4BT3.9L and 6BT5.9L turbocharged 8-valve non-emission engines. Engineered for heavy-duty durability, stable combustion performance and long service life, this piston is a core wearable part widely used in commercial vehicles, construction machinery, generator sets, agricultural and marine equipment.

3907163 piston Specification:

✅ Optimized ω-type chamber: better combustion, fuel efficiency & cold start

✅ High-silicon aluminum alloy: heat-resistant, anti-deformation, long life

✅ 3-ring groove design: tight sealing, low oil consumption, no blow-by

✅ Elliptical skirt: low friction, less noise, reduced cylinder wear

✅ High-temp coating: anti-cracking & anti-ablation under heavy load

✅ Reinforced pin hole: wear-resistant, stable under high pressure

Wide Applications:

✅ Fits Cummins 4BT3.9 / 6BT5.9 engines for multiple applications

✅ Commercial trucks (Dongfeng 153/Tianjin, 160–210HP 6BT)

✅ Construction machinery (loaders, excavators, graders, rollers, forklifts)

✅ 200–400kW diesel generators (6BT5.9-G2/G3)

✅ Agricultural tractors, combine harvesters and farm equipment

✅ Marine engines & oilfield drilling/fracturing equipment

Why Choose US?
✅100% Genuine Products: Authentic original parts, reliable quality.

✅ Authorized Agent: Official distributor in China, guaranteed supply source.

✅Competitive Price:  Direct supply from factory, cost-effective.

✅Professional Support:  Full after-sales & technical service available.