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 is a Camshaft Bearing for Cummins QSB4, G5.9-C, QSB4.5, 4B3.9, B5.9-M330, QSB6.7 and ISB240 engines. This high quality aftermarket replacement part is guaranteed to meet OEM specifications and is shipped with a 12-month warranty.
BUSHING
Genuine Cummins Part
$27.76
MAIN BEARING SET - 6B (STANDARD)
$63.56
LOWER ENGINE GASKET SET - 6B 5.9 / G5.9 / QSB 5.9
$180.70
ROD BEARING HALF - 4BT / 6BT (UPPER)
$5.54
