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PAI · Engine
505082
In stock · ships from Knoxville
A piston ring set manufactured by PAI for Cummins 4B and 6B diesel engines.
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Verified fitment for 3 applications
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All confirmed applications for this part number.
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Requires engine block bored to 0.040 in / 1.00 mm oversize. Fits both naturally aspirated and turbocharged variants of the 4B/6B family.
Part data verified against 1 catalog sources
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This oversize set is designed for engines that have been bored 0.040 inches (1.00 mm) over standard, commonly installed during major overhauls. The steel alloy rings restore compression, improve oil control, and ensure durable sealing in rebuilt cylinders.
Part Number: 505082
RING SET
Vendor: PAI Industries
Dealer: Knox Trailers
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