Transmission Coupling Sleeve

Why This Part Is Essential

The coupling sleeve is a critical element in manual transmissions. Its primary function is to connect and disconnect different gears, allowing smooth gear shifting. When in top condition, it ensures seamless power transfer from the engine to the wheels without interruptions.

How It Works

This precision-engineered sliding sleeve moves along the main shaft inside the gearbox. It locks and unlocks specific gears as you operate the shifter. This action allows you to change gears efficiently, preventing grinding and protecting gear teeth from damage.

Risks of a Broken Coupling Sleeve

• Difficulty or failure to engage gears ⚠️
• Grinding noise during shifting
• Gear slippage or sudden neutral state
• Potential internal transmission damage

Early replacement of a worn or damaged sleeve avoids costly gearbox repairs and extends your vehicle's life.

Compatible Models

• Truck
• Navara
• Np300
• Desert Thunder
• Np300 F/Sbs
• Med
• Frontier
• Hardbody
• King Cab
• Nissan Truck Zn
• Truck Eg