Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.
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This high quality aftermarket replacement part is guaranteed to meet OEM specifications and is shipped with a 12-month warranty.
Also available in genuine.
OIL PUMP - B SERIES / ISB / QSB
Genuine Cummins Part
$725.52
CONNECTING ROD BEARING - 4BT / 6BT (.25 MM OVERSIZE, UPPER AND LOWER)
$8.64
LOWER ENGINE GASKET SET - QSB3.9-30 / QSB4.5-30
$171.31
WATER PUMP KIT - B SERIES / ISB SERIES (W/ MOUNTING GASKET)
$116.52
UPPER ENGINE GASKET SET - 4BT
$201.07
UPPER ENGINE GASKET SET - 4B 3.9 (1983-APRIL 2003)
$114.10
MAIN BEARING SET - 4B (STANDARD)
$53.67
