3934047 Cummins Piston Pin For 4BT 6BT ISB Engines

The 3934047 Piston Pin for Cummins B-series 5.9L engines, linking pistons and connecting rods for heavy-duty power transfer. Craft High-strength carburized alloy steel; carburizing quenching + mirror grinding for hard wear-resistant surface and tough core, anti-impact, high-temperature and friction resistant.Fitment Compatible with Dodge Ram 2500/3500, heavy trucks, construction machinery and generators.

3934047 Piston Pin Specification:

Key Features:

✅ Carburized alloy steel, HRC58-62 hardened surface, tough impact-resistant core

✅ Mirror ground outer circle, ±0.005mm tight dimensional tolerance

✅ High temp & friction resistance, eliminates abnormal knocking noise

✅Solves pin bore wear, piston shake and engine power loss

Application:

✅Fits Cummins 4BT3.9 / 6BT5.9 / ISB5.9 B-series 5.9L diesel engines

✅Compatible with Dodge Ram 2500/3500 pickup trucks, heavy trucks, construction equipment & generators

✅Exclusively for late-model elongated pistons

✅Used for full engine overhaul and routine maintenance to restore engine power

Why Choose US?

✅Professional China-based Cummins parts supplier

✅Genuine Cummins quality, strict factory inspection

✅Direct factory supply with competitive cost advantage

✅Stable stock & fast global delivery

✅Technical matching support for all B-series engines