Quality used crankshaft main bearing cap for a Cummins ISB 5.9/ ISB 6.7 and other cummins engines (see below), backed by our standard warranty.

Comaptiable with the following Cummins engines (check compatiblity)
B3.9 G
B4.5
B5.9 G
B5.9 GAS PLUS CM556
QSB3.9 30 CM550
QSB5.9 30 CM550
QSB5.9 44 CM550
QSB5.9 CM850
QSB5.9G
QSB6.7 CM850 (CM2850)
QSB7 CM2880 B117
ISB (Chrysler)
ISB CM2150
ISB CM550
ISB CM850
ISB/ISD6.7 CM2150 SN
ISBE CM2150
ISBE CM800
6B5.9
4B3.9
G5.9
G5.9 CM558
Cummins B6.7 G CMOH6.0 B125

OEM # 3900967, 3936057, 3974156, AAQGZ, 3936791, 5314775, 3974157, 3936791

Please Note: The part sent may not exactly match the one pictured. Appearance may vary. For specific part requests, please call 888-315-2575. Additional core charge may apply.

30D-3900967-STK

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