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This is a Piston Kit for Cummins 4BT3.9 engines.
This high quality aftermarket replacement part is guaranteed to meet OEM specifications and is shipped with a 12-month warranty.
ROD BEARING HALF - 4BT / 6BT (UPPER)
$5.54
MAIN BEARING SET - 6B (STANDARD)
$63.56
PISTON PIN - B SERIES
$16.97
