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Automann · Drivetrain
M1K2
In stock · ships from Knoxville
This is a transmission mount kit designed for Mack trucks with Fuller transmissions.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
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Other applications
Verified only for Mack CH-series models as listed by distributor. Other Mack models or Fuller applications outside this range have not been confirmed.
Part data verified against 3 catalog sources
Numbers this part supersedes or interchanges with. Showing 4 of 4.
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It replaces the worn rubber bushings and hardware that support the rear of the transmission, reducing driveline vibration and preventing misalignment. The kit includes bushings, shackle bolts, lock nuts, and end washers—all the wear items needed for a complete rear mount service. Mechanics typically replace this when the transmission clunks under load or excess vibration is felt in the cab.
Part Number: M1K2
Transmission Mount Kit Mack/Fuller
Dealer: Knox Trailers
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