3901090 Main Bearing Cummins 6BT 12v 4BT 8v

New Main Bearing with oil cutout for Cummins 12v 6BT 5.9 and 8v 4BT 3.9. This is the upper crankshaft bearing.

Standard Size.

Scroll down for more detailed compatibility information.

Part Number: 3901090 3978818

Weight: 0.1 lbs.

Price: $3.00

Short Product Description:

3901090 Standard Size Main Bearing

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3901090 Main Bearing Quantity: 6 Remarks: NOTE: Replaces (3905619) Engine Year: 1988 BT5.9 160 CPL:804 Sample ESN: 44243058

3901090 Main Bearing Quantity: 6 Remarks: NOTE: Replaces (3905619) Engine Year: 1988 BT5.9 160 CPL:804 Sample ESN: 44243058

3901090 Main Bearing Quantity: 4 Remarks: M6 x 8.0 Engine Year: 1988 4BT3.9 (105) CPL:858 Sample ESN: 44258612

3901090 Main Bearing Quantity: 4 Remarks: M6 x 8.0 Engine Year: 1988 4B3.9 CPL:591 Sample ESN: 21021339

3901090 Main Bearing Quantity: 4 Remarks: M6 x 8.0 Engine Year: 1995 4BT3.9-C CPL:730 Sample ESN: 21021339

Description: 3901090 Standard Size Main Bearing

Price: $3.00