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Piston Ring Set (1.00mm Oversize) Cummins 3802423 | 3802234, 3802054, 505082

Manufacturer: Cummins
Part#: 3802423
Cross References:
Price on request
Available to order

Restore optimal compression and oil control in your Cummins 4BT 3.9 or 6BT 5.9 engine with this premium 1.00mm (+0.040″) oversize piston ring set. Engineered to meet strict heavy-duty standards, it ensures a reliable seal and long-lasting durability.

Description

High-Performance Piston Ring Set for Cummins B-Series Engines

Restore your engine’s peak performance with this premium 1.00mm (+0.040″) oversize piston ring set. Specifically engineered for Cummins 4BT 3.9 and 6BT 5.9 diesel engines, this kit provides an exceptional seal within the combustion chamber, preventing blow-by and regulating oil consumption for cleaner, more efficient operation.

Key Features & Benefits

  • Superior Combustion Sealing: Engineered to maintain optimal compression and minimize blow-by, restoring lost engine power.
  • Advanced Oil Control: Effectively scrapes excess oil from the cylinder walls to prevent oil consumption and reduce exhaust emissions.
  • Heavy-Duty Durability: Constructed from high-strength materials designed to withstand extreme thermal and mechanical stresses in demanding diesel applications.
  • Precise Fitment: Manufactured to strict dimensional tolerances for a seamless installation during engine rebuilds.

Technical Specifications

  • Bore Size: 1.00mm Oversize (+0.040 in)
  • Compatible Engines: Cummins 4BT 3.9, 6BT 5.9 (B-Series)
  • Ring Heights: 3.00 mm (Top Keystone) x 2.35 mm (Second) x 4.00 mm (Oil)

Kit Components

  • 1 x Top Keystone Piston Ring (replaces 3919051)
  • 1 x Second Compression Piston Ring (replaces 3904348)
  • 1 x Oil Control Piston Ring (replaces 3923891)