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PAI · Engine
136026
In stock · ships from Knoxville
This is a rear crankshaft (main) seal for Cummins B 5.9L and ISB/ISC/ISL/QSB diesel engines.
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Verified fitment for 3 applications
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All confirmed applications for this part number.
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Requires dry crankshaft; must be used with wear ring 136040 or installation kit 136116. Verify correct application by engine serial number.
Part data verified against 5 catalog sources
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It is a dry-type seal, designed to be used with a wear ring (PAI 136040) or an installation kit (PAI 136116) to prevent oil leakage at the rear of the crankshaft. Replace this seal when oil leaks appear at the flywheel housing area, typically during clutch or transmission removal.
Part Number: 136026
REAR MAIN SEAL 3909410 4955566
Dealer: Post Onsite
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