3917707 Cummins Piston For 6CT 6CTA Engines

Product Overview:

The 3917707 piston for Cummins 6CTA8.3 12‑valve turbo‑intercooled engines (220‑300HP). Made of high‑grade eutectic aluminum‑silicon alloy, it comes with built‑in internal cooling oil channels. This structure improves heat dissipation, lowers thermal load and wear for better stability and longer service life. Ideal for overhaul of construction machinery and heavy‑duty trucks, it provides dependable performance and cost‑effective aftermarket repair solutions.

3917707 piston Specification:

Key Features:

✅Made of eutectic aluminum‑silicon alloy with internal cooling oil gallery for superior heat dissipation for turbocharged engines.

✅P60A combustion chamber, 16.5:1 compression ratio, tuned for 12‑valve 8.3L turbo‑intercooled engine.

✅Supports 140‑145 bar max firing pressure, fits 220‑300‑hp heavy‑duty service.

Application:

✅High‑load highway applications: Heavy‑duty trucks and coaches, continuous cyclic load for highway round‑trip operation

✅Land‑based construction machinery: Loaders, excavators and road rollers, intermittent shock load

✅Land‑based stationary power generation: Prime / standby generator sets, steady‑state continuous operation

Why Choose Us?

✅100% genuine Cummins DCEC parts

✅Professional technical support for fitment verification・

✅Competitive wholesale pricing

✅Fast global shipping