USA Standard Gear ZMZF42-40 5th & Reverse Synchronizer Hub and Sleeve for ZF S542 Manual Transmission

The USA Standard Gear ZMZF42-40 is a replacement 5th gear and reverse synchronizer hub and sleeve assembly designed specifically for ZF S542 5-speed manual transmissions. This critical component enables smooth gear engagement for both 5th gear and reverse, making it essential for transmission rebuilds and repairs.

Key Features:

• Direct replacement for worn or damaged 5th/reverse synchronizer assemblies
• Designed for ZF S542 manual transmissions commonly found in 1987-1995 Ford trucks
• Helps eliminate common shifting problems and grinding noises in 5th gear and reverse
• Quality manufactured by USA Standard Gear to meet OEM specifications
• Essential component for addressing high-mileage transmission issues

The ZF S542 is a German-engineered 5-speed manual transmission with an end-loaded aluminum case and integrated bell housing. The most widely pointed out problem are problems with shifting the 5th/reverse gear typically caused by high mileage. This hub and sleeve assembly directly addresses these common wear issues, restoring proper synchronizer function and smooth gear engagement. Ideal for professional transmission rebuilds or DIY repairs on Ford trucks equipped with the ZF S542 transmission.