USA Standard Gear ZMM5R1-149 Manual Transmission Mainshaft Nut - MR5

The USA Standard Gear ZMM5R1-149 is a precision-engineered mainshaft nut designed specifically for MR5 manual transmissions found in Ford Ranger and Mazda vehicles. This critical component secures the mainshaft assembly and maintains proper bearing preload for reliable transmission operation.

Key Features:

• Direct replacement for MR5 manual transmission mainshaft applications
• Manufactured to OE specifications for proper fit and function
• Heat-treated steel construction for durability and strength
• Precision threading ensures accurate torque application
• Compatible with Ford Ranger and Mazda vehicles equipped with MR5 transmissions

USA Standard Gear is known for producing quality drivetrain components that meet or exceed OEM standards. This mainshaft nut is an essential component during transmission rebuilds or mainshaft service, ensuring proper assembly and long-term reliability.