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PAI Industries · Engine
111315
In stock · ships from Knoxville
This PAI piston kit is for Cummins 4B and 6B series diesel engines, including the 3.9L 4-390 and 5.9L 6-590.
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Verified fitment for 2 applications
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Other applications
Check engine serial number and CPL against the listed applications. This oversize piston requires the cylinder to be bored .020" over.
Part data verified against 5 catalog sources
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It is a .020-inch (.50 mm) oversize piston with a 17.5:1 compression ratio, intended for use during engine overhauls when cylinders have been bored oversize to restore compression and seal. The kit includes the piston, a high-performance ring set, wrist pin, and pin retainers, replacing several OEM and aftermarket part numbers.
Part Number: 111315
PISTON KIT / OEM# 3802249
Dealer: KP Services Crossville
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