Description
The VW 1.8T AUM 6-Speed Manual Gearbox brings back the precise, factory shift feel to your turbocharged VW. Built to OEM specifications, this 6-speed transaxle bolts directly to the AUM engine’s bellhousing and mates with the stock cable linkage—no adapters or modifications required—delivering smooth, dependable gear engagement under boost.
Vehicle Compatibility
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 cast to exact VW factory dimensions for drop-in fit
Heat-Treated Internals: Gears, shafts, and synchronizers treated for enhanced wear resistance under turbo torque
CNC Machining: All gear teeth and synchro cones machined to tight tolerances for smooth engagement
Corrosion Protection: Anti-rust coatings on bearings and cones extend service life
Performance Benefits
Crisp, Positive Engagement
Short, well-defined throws eliminate false neutrals and ensure confident shifts, even under boost.Optimized Ratio Spread
Six speeds keep the AUM engine in its ideal powerband for brisk acceleration and efficient highway cruising.Reduced NVH
New precision bearings and seals dampen noise and vibration for a refined cabin experience.Enhanced 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.
Break-In: Drive gently for the first 500 km to allow synchronizers to bed in.
Service Interval: Change gearbox oil every 60 000 km with VW-specified 75W-85 GL-4 fluid.
Warranty
All VW 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.












































