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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-3908546 Flywheel Ring Gear For Cummins Engines

Compatible With 4B3.9, 6B5.9, ISB6.7, QSB5.9, 6C8.3, and QSC8.3 Engines (138 Teeth)

Base price: $118.91
$104.64
i h
Not Returnable

PRODUCT NOTES

This high quality aftermarket replacement part is guaranteed to meet OEM specifications and is shipped with a 12-month warranty.

Also available in genuine.