Fortpro Piston Ring Set .020 in/.50mm Size for Cummins 4B 3.9 / 6B 5.9 Engines is the ideal solution for restoring the performance of engines that require reground cylinders. This set of oversize rings provides a precise fit that ensures a perfect seal and optimal compression, returning your engine to its original efficiency and power. Made from durable, wear-resistant materials, these rings ensure long-lasting, reliable operation. Compatible with OEM part numbers 3802232 and 505081, they are perfect for applications that demand quality and precision.

Specifications:

• Brand: Fortpro
• Vehicle Type: Semi-Trucks / Heavy Trucks
• Product Department: Engine
• Product category : Cummins Parts
• Part Type: Piston Ring Set
• OEM Reference #: 3802232
• Material: Steel Alloy
• Oversize: .020in/.50mm
• Bore Diameter: 4.015 in.
• Ring Count: 3
• Applications:
  Cummins 4B 3.9 Engine
  Cummins 6B 5.9 Engine

CrossReference:

• Cummins: 3802232
• PAI: 505081