3901170 Connecting Rod Bearing Cummins 6BT 12v 4BT 8v

New Connecting Rod Bearing for Cummins 12v 6BT 5.9.

Standard Size. Upper Shell for newer engines. Upper and lower for older engines.

Listing is for one rod bearing.

This also fits the newer ISB/QSB 24v engines.

Scroll down for more detailed compatibility information.

Part Number: 3901170 3939859

Weight: 0.1 lbs.

Price: $3.00

Short Product Description:

3901170 Connecting Rod Bearing for Cummins

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Questions and Answers:

Q: What is the Crankshaft Rod Bearing Journal diameter minimum OD for Cummins B-Series Engines?	9/18/2024
A: The Cummins Repair Manual says that the minimum for standard size bearings is 68.962 mm. 68.712 mm for .25mm ground cranks. 68.462 mm for .50mm ground cranks. 68.212 mm for .75mm ground crankshafts. 67.962 mm for 1mm ground crankshafts. The maximum out of round tolerance is .050mm and the max taper is .013mm.
Q: What is the Crankshaft Rod Bearing Journal diameter minimum OD for Cummins C-Series Engines?	9/18/2024
A: The Cummins Repair Manual says that the minimum for standard size bearings is 75.962 mm. 75.712 mm for .25mm ground cranks. 75.462 mm for .50mm ground cranks. 75.212 mm for .75mm ground crankshafts. 74.962 mm for 1mm ground crankshafts. The maximum out of round tolerance is .050mm and the max taper is .013mm.
Q: What is the Crankshaft Rod Bearing Journal diameter Out of Round spec for Cummins B and C series Engines?	9/25/2024
A: The Cummins Repair Manual says that the max out of round tolerance is .050mm and the max taper is .013mm.

3901170 Bearing, Connecting Rod Quantity: 12 Remarks: MJ11 x 1.25 x 26 Engine Year: 1988 BT5.9 160 CPL:804 Sample ESN: 44243058

3901170 Bearing, Connecting Rod Quantity: 12 Remarks: MJ11 x 1.25 x 26 Engine Year: 1996 B5.9 (215) CPL:2175 Sample ESN: 56326974

3901170 Bearing, Connecting Rod Quantity: 12 Remarks: MJ11 x 1.25 x 26 Engine Year: 2000 ISB-195-BUS ENCORE CPL:2686 Sample ESN: 45989218

3901170 Bearing, Connecting Rod Quantity: 8 Remarks: MJ11 x 1.25 x 26 Engine Year: 1988 4BT3.9 (105) CPL:858 Sample ESN: 44258612

3901170 Bearing, Connecting Rod Quantity: 8 Remarks: MJ11 x 1.25 x 26 Engine Year: 1988 4B3.9 CPL:591 Sample ESN: 21021339

3901170 Bearing, Connecting Rod Quantity: 8 Remarks: MJ11 x 1.25 x 26 Engine Year: 1995 4BT3.9-C CPL:730 Sample ESN: 21021339

3901170 Bearing, Connecting Rod Quantity: 8 Remarks: MJ11 x 1.25 x 26 Engine Year: 1997 4B3.9 CPL:767 Sample ESN: 21021339

3901170 Bearing, Connecting Rod Quantity: 8 Remarks: MJ11 x 1.25 x 26 Engine Year: 2000 B3.9 130 CPL:1839 Sample ESN: 46114812

3901170 Bearing, Connecting Rod Quantity: 12 Remarks: MJ11 x 1.25 x 26 Engine Year: 1997 B5.9 (190) CPL:1551 Sample ESN: 46114812

3901170 Bearing, Connecting Rod Quantity: 12 Remarks: MJ11 x 1.25 x 26 Engine Year: 1996 B5.9-C177 CPL:599 Sample ESN: 46114812

3901170 Bearing, Connecting Rod Quantity: 12 Remarks: MJ11 x 1.25 x 26 Engine Year: 1999 BT5.9-C160 CPL:1288 Sample ESN: 46114812

3939859 Bearing, Connecting Rod Quantity: 6 Remarks: Standard Engine Year: 2004 ISB 185 CPL:8136 Sample ESN: 57187100

3939859 Bearing, Connecting Rod Quantity: 6 Remarks: Standard Engine Year: 2003 ISB-305 CPL:8213 Sample ESN: 57105577

Description: 3901170 Connecting Rod Bearing for Cummins

Price: $3.00