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This is a Piston Kit for Cummins 4B3.9 engines.
This item is a new replacement part shipped with a 12-month warranty.
LOWER ENGINE GASKET SET - QSB3.9-30 / QSB4.5-30
$171.31
UPPER ENGINE GASKET SET - 4B 3.9 (1983-APRIL 2003)
$114.10
MAIN BEARING SET - 4B (STANDARD)
$53.67
