Volkswagen 1.8T AUM 6-Speed Manual Gearbox

Restore the authentic turbocharged shift feeling in your VW with the Volkswagen 1.8T AUM 6-Speed Manual Gearbox. Crafted to factory specifications, this OEM-equivalent gearbox drops straight into your AUM engine’s bellhousing and hooks to the stock shift cable—no adapters or modifications needed—for crisp, reliable gear changes under boost.

Compatible Models

• Golf IV 1.8T AUM (2002–2005)

• Jetta IV / Bora 1.8T AUM (2002–2005)

• New Beetle 1.8T AUM (2002–2005)

Construction & Durability

• Precision Casting: Housing molded to exact Volkswagen factory dimensions for a seamless drop-in fit.

• Heat-Treated Internals: Gears, shafts, and synchronizers are treated to resist turbo torque wear.

• CNC Machining: All critical components are machined to tight tolerances for smooth, snag-free engagement.

• Corrosion Protection: Bearings and synchro cones feature anti-rust coatings to extend service life.

Performance Benefits

1. Sharp, Positive Shifts
   Short, well-defined throws eliminate false neutrals, even under boost.

2. Optimized Gear Spread
   Six-speed configuration keeps the AUM engine in its peak torque band for brisk acceleration and efficient cruising.

3. Reduced NVH
   New precision bearings and seals dampen noise, vibration, and harshness for a refined driving experience.

4. Robust Reliability
   Engineered to handle increased torque and spirited driving without premature wear.

Installation & Maintenance Tips

• Pre-Install Prep: Replace clutch kit, pilot & throw-out bearings, and rear main seal to prevent leaks.

• Alignment: Use an input-shaft alignment tool for perfect concentric fit with the engine.

• Break-In: Drive gently for the first 500 km to allow synchronizers to bed in properly.

• Service Interval: Change gearbox oil every 60 000 km with VW-approved 75W-85 GL-4 fluid.

Warranty

All Volkswagen 1.8T AUM 6-Speed Manual Gearbox units include a 6-month limited warranty on internal components, covering manufacturing defects and fluid leaks under normal use. Restore your VW’s genuine turbocharged shift precision—no compromises.