Crankshaft
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CumminsRear Crankshaft Oil Seal Cummins Engine 4B 3.9 – Engine 4BT 3.9 – Engine 4BTA 3.9
Rear Main Seal Cummins Engine 4B 3.9 – Engine 4BT 3.9 – Engine 4BTA 3.9
BRear crankshaft oil seal located in the area where the engine block connects to the flywheel housing. Its function is to prevent engine oil from leaking around the rear end of the crankshaft and to limit the entry of contaminants. This family of oil seals is available with a PTFE sealing element.
Used on the following engines: 4B 3.9, 4BT 3.9, 4BTA 3.9, QSB 4.5, 6B 5.9, 6BT 5.9, 6BTA 5.9, ISB 5.9, QSB 5.9, ISB 6.7, QSB 6.7, B6.7, 6C 8.3, 6CT 8.3, 6CTA 8.3, ISC 8.3, QSC 8.3, ISL 8.9, QSL 8.9 / QSL9.
With final verification via ESN/CPL for the specific configuration.
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CumminsMain Bearing Set .25MM Cummins Engine 4B3.9 – 2 Valves
Main Bearing Set – .25MM Cummins Engine 4B3.9 – 2 Valves
180 Degree Thrust
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CumminsMain Bearing Set STD Cummins Engine 4B3.9 -2 Valves
Main Bearing Set – STD Cummins Engine 4B3.9 – 2 Valves
180 Degree Thrust
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CumminsMain Bearing Set .25MM Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
Main Bearing Set .25MM Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
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CumminsMain Bearing Set .50MM Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
Main Bearing Set .50 MM Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
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CumminsMain Bearing Set Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
Main Bearing Set Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9 (Change FFP3802010 )
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CrankshaftFront Seal & Wear Sleeve Kit Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
Front Seal & Wear Sleeve Kit Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
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B SeriesOil Seal Front Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
Oil Seal Front Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
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B SeriesCrankshaft Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
Crankshaft Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
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CumminsRear Crankshaft Seal Kit Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
Rear Main Seal Kit Cummins Engine 4B 3.9 – Engine 4BT 3.9 – Engine 6BTA 3.9
The kit provides a seal at the rear of the crankshaft, preventing engine oil from leaking at the point where the crankshaft exits the engine block toward the flywheel/transmission housing. It is therefore installed at the rear of the engine block, on the flywheel side. The sealing component is typically made of a technical elastomer that is resistant to oil and high temperatures, combined with metal support/reinforcement elements.
Compatible engines: 4B, 4BT, 6B, 6BT, 6C, 6CT, 6CTA, ISB, QSB, ISC, QSC, ISL, QSL
However, we recommend checking the ESN/CPL before the sale: not all configurations within the same engine family necessarily use the same oil seal.
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CrankshaftVibration Damper Cummins Engine B-QSB- ISB
Vibration Damper Cummins Engine B-QSB- ISB
9.7” Outside Diameter
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CrankshaftVibration Damper Cummins Engine B-QSB-ISB
Vibration Damper Cummins Engine B-QSB-ISB
8.23” Outside Diameter
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