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Piston Kit (+0.50mm / .020″) Cummins 3802564 | 3926634, 3802422, 3920691, 3934047
Restore your engine’s compression and performance with this premium +0.50mm (.020″) oversize piston kit, engineered for Cummins 4B and 6B series engines. This complete assembly includes the piston, rings, wrist pin, and retaining clips for a seamless installation.
Description
High-Performance Oversize Piston Kit for Cummins B-Series Engines
Ensure optimal combustion efficiency and restore engine power with this premium +0.50mm (.020″) oversize piston kit. Specifically designed for Cummins 4B, 4BT, 6B, 6BT, and ISB series engines, this complete kit is engineered to meet rigorous heavy-duty standards, providing exceptional durability and reliable performance under demanding operating conditions.
This comprehensive kit comes complete with the piston, high-tensile piston rings, a precision-ground wrist pin, and retaining clips, offering a complete solution for your engine rebuild or overhaul.
Technical Specifications:
- Piston Oversize: +0.50 mm (.020 in)
- Standard Bore Diameter: 102 mm
- Combustion Chamber Diameter: 51 mm
- Total Height: 105.40 mm
- Compression Height: 71.56 mm
- Wrist Pin Dimensions: 40 mm x 82.6 mm
- Al-Fin Insert: Yes (for enhanced ring groove durability)
- Cooled Crown: No
Engine Compatibility:
- Cummins 4B 3.9 / 4BT 3.9
- Cummins 6B 5.9 / 6BT 5.9 (Euro 2)
- Cummins ISB 3.9 / ISB 5.9
