Oil Pump
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Engine 6BT 5.9
Rear Crankshaft Seal Kit Cummins Engines 4BT 3.9 – Engine 6BT 6.7
Rear Oil Seal Kit Cummins Engine 4BT 3.9 – Engine 6BT 6.7
Rear crankshaft oil seal kit with a double-lip seal, designed for Cummins applications with a wet flywheel/clutch housing. Location: rear end of the crankshaft, transmission/flywheel side. Documented equivalent seal made of PTFE. Its function is to prevent engine oil from leaking from the rear end of the crankshaft, maintaining a seal during crankshaft rotation.
The following are listed: ISB4.5, ISB6.7, QSB4.5, QSB6.7, 6C8.3, 6CT8.3, 6CTA8.3, ISC, QSC, ISL, and QSL for applications with a wet clutch housing. And on other engines: 4BT3.9, 6BT5.9, 6CT8.3, 6CTA8.3, 6CTAA8.3, and QSL9
Always verify the ESN (Engine Serial Number), CPL, and wet/dry flywheel housing configuration, because the same engine may use a different rear seal depending on the configuration.
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Cummins
Rear 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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Cummins
Oil Cooler Core Gasket Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
Oil Cooler Core Gasket Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
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Cummins
Oil Cooler Core Outer Gasket Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
Oil Cooler Core Outer Gasket Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
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Oil Pump
Gasket Oil Pick-Up Tube Cummins Engine 4B 6B, ISB & QSB
Gasket Oil Pick-Up Tube Cummins Engine 4B 6B, ISB & QSB
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Oil Pump
Oil Cooler Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9-6B 5.9 -6BT 5.9-6BTA 5.9
Oil Pump Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9 -6B 5.9 -6BT 5.9-6BTA 5.9
5 plates
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Cummins
Oil Pump Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9
Oil Pump Cummins Engine 4B 3.9- 4BT 3.9- 4BTA 3.9 (Old Parts#3937027 )
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Cummins
Rear 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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