USA Standard Gear ZMMUNWT297-15 Muncie Manual Transmission Synchro Sleeve

The USA Standard Gear ZMMUNWT297-15 is a precision-engineered synchronizer sleeve designed for Muncie 4-speed manual transmissions. This critical component works in conjunction with the shift fork to engage gears smoothly and reliably during gear changes. The synchro sleeve, also known as a slider, moves along the synchronizer hub to lock gears to the output shaft, enabling smooth shifting between gear ratios.

Key Features:

• Direct replacement for worn or damaged Muncie transmission synchro sleeves
• Compatible with Muncie M20, M21, and M22 4-speed transmissions
• Works with both 1-2 and 3-4 synchronizer assemblies
• Precision-machined to meet OEM specifications for proper fitment
• Manufactured by USA Standard Gear, a trusted name in drivetrain components
• Part of the 297 series Muncie replacement parts system

This synchronizer sleeve is an essential component during transmission rebuilds or repairs. When shift forks move the synchro sleeve, it engages the strut keys and energizes the synchro ring onto the gear, matching gear speed to output shaft speed for seamless shifts. USA Standard Gear specializes in manual transmission components with over 9,000 parts available, ensuring you get the quality replacement parts needed to restore your Muncie transmission to peak performance.