3926631 Genuine Cummins Piston for 4BT 6BT5.9 Engines

The 3926631 Piston Built to DCEC Cummins standards, this hypereutectic aluminum piston fits Cummins 4BT and 6BT engines. It offers great heat resistance and anti-crack performance for heavy loads. Precision machining optimizes combustion, improves power efficiency and cuts emissions. Low-friction skirt ensures long service life, ideal for direct replacement and engine overhaul.

3926631 Piston Application：

✅Heavy-duty trucks (Dodge Ram 2500/3500, Chevrolet, Ford, Dongfeng EQ2102N)

✅Construction machinery (excavators, bulldozers, loaders)

✅Agricultural equipment

✅Diesel generators

✅Marine propulsion systems

3926631 Cummins Piston:

Key Features:

✅Made to DCEC specs with hypereutectic aluminum alloy, heat resistant and crack-proof under heavy loads.
✅ Precision chamber boosts combustion efficiency, power and cuts emissions.
✅Fine-finished skirt reduces friction for longer service life.
✅Direct replacement for Cummins 4BT/6BT, ideal for repair and overhaul.

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.

✅Fast Delivery:  Adequate stock, quick shipment worldwide.