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Engine Piston (0.50mm Oversize) Cummins 3946053 | 3800841, 111468, 111468HP

Manufacturer: Cummins
Part#: 3946053-EN
Cross References:
Price on request
Available to order

Restore your engine’s compression and performance with this premium 0.50mm oversize engine piston for Cummins ISB and QSB series engines. Engineered to meet rigorous heavy-duty standards, it ensures optimal thermal efficiency and long-lasting durability.

Description

High-Performance Engine Piston (0.50mm Oversize) for Cummins ISB & QSB

Keep your heavy-duty diesel engine running at peak efficiency with this premium 0.50mm (+0.020 in) oversize engine piston. Specifically engineered for Cummins ISB and QSB series engines, this piston is designed to restore cylinder compression, reduce oil consumption, and withstand the extreme thermal and mechanical stresses of heavy-duty operations.

Key Features & Benefits

  • Precision Engineering: Manufactured to exact dimensional tolerances to ensure a perfect fit and optimal clearance within 102mm + 0.50mm bored cylinders.
  • Superior Thermal Resistance: Built from high-strength alloy materials that resist crown cracking and skirt wear under high-combustion temperatures.
  • Enhanced Engine Life: Restores factory-spec compression and combustion efficiency, extending the service life of your engine block.
  • Direct Replacement: Designed for seamless integration with standard Cummins ISB/QSB wrist pins and connecting rods.

Product Specifications

  • Brand: Cummins
  • Part Number: 3946053
  • Piston Size: 0.50mm Oversize (+0.020″)
  • Compatible Bore Size: 102.50 mm
  • Compatible Engines: Cummins ISB 5.9L (24-Valve), QSB 5.9L, ISB 4.5L, ISB 6.7L, 6BTA 5.9