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Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.

Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.

DS-3937111 Front Crankshaft Seal Kit For Cummins ISB And QSB Diesel Engines

With Installation Tool

Base price: $29.07
$25.58
i h
Item Guaranteed in Stock Hassle-Free Return Item

PRODUCT NOTES

Replaces old part numbers DS-3900709 and DS-3904353.

This is a Front Crankshaft Seal Kit (With Installation Tool) for Cummins ISB and QSB engines. This high quality aftermarket replacement part is guaranteed to meet OEM specifications and is shipped with a 12-month warranty.


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