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Piston Ring Set Cummins 3802042 | 3806241, 3806251, 505084
Restore optimal engine compression and oil control with this premium +0.50mm (.020 in) oversize piston ring set for Cummins B-Series 3.9L and 5.9L engines. Engineered to strict standards, it ensures a perfect seal and long-lasting durability in non-turbocharged applications.
Description
Premium Piston Ring Set (+0.50mm Oversize) for Cummins B-Series
This high-quality +0.50mm (.020 in) oversize piston ring set is designed to restore optimal cylinder compression, minimize blow-by, and ensure efficient oil control in Cummins B-Series engines. Engineered for precision fitment and long-term durability, this set is ideal for engine rebuilds where the cylinder bores have been machined to a 102.50mm diameter.
Engine Compatibility & Applications
Specifically designed for naturally aspirated (non-turbocharged) Cummins B-Series engines, including:
- Cummins 4BT 3.9L (Naturally Aspirated)
- Cummins 6BT 5.9L (Naturally Aspirated)
Technical Specifications
- Part Number: 3802042
- Oversize: +0.50 mm (+0.020 in)
- Standard Bore Size: 102.00 mm
- Oversize Bore Size: 102.50 mm
- Ring Dimensions: 2.38 mm x 2.38 mm x 4.00 mm
- Engine Series: Cummins B Series (Non-Turbo)
Key Benefits
- Restores Engine Performance: Re-establishes a tight combustion seal to recover lost horsepower and torque.
- Superior Oil Control: Advanced oil ring design prevents oil from entering the combustion chamber, reducing exhaust smoke and oil consumption.
- Heavy-Duty Construction: Manufactured from premium wear-resistant materials to withstand high thermal and mechanical stress.
