Adapter Kit to bolt a Land Rover Discovery 3-4 ZF GS6-53 gearbox up to a Td5 engine. Ideal for TD5 owners who wish to upgrade to a 6 speed gearbox in their Discovery 2 or Defender. The kit can also be used to TD5 swap a Discover 3-4 or fit a Td5/6speed manual in custom build applications.
This adapter kit coupled with our Land Rover Discovery 3-4 Manual to LT230 Adapter Kit – 78mm thick will make the transmission the same length as the stock TD5 transmission. This means the engine or transfer box will not require moving forward/backward and the stock propshafts can be retained.
Complete kit with all components required to mate the engine and gearbox.
Included in the kit:
Adapter plate
Spigot adapter and bearing
Clutch Slave Shim
Clutch Cover Shim
All the fasteners required to bolt it all together.
Required but not the kit:
Complete Td5 engine in manual form, with flywheel and OEM fitment Clutch Cover.
Discovery 3-4 Gs6-53 6 speed manual gearbox.
OEM Fitment Discovery 3-4 Clutch plate
Things you should assume you’ll need to make:
Shifter setup – This may be custom or modified depending on your vehicle.
Transmission mount – The stock R380 Left side mount will need to be remade in almost all applications.
Fitting Instructions
- Bolt the adapter to the Td5 engine. Keep the dust shield in place and fit the 1x6mm bolt on the rear side. ENSURE THAT DOWELS ARE FITTED.
- Fit starter motor to adapter.
- Fit crank sensor
- Fit the spigot bearing adapter into the crankshaft. In some cases the flywheel bolts may need to be removed first to allow the adapter to pass.
- Fit the spigot bearing into the adapter.
- Place the Clutch cover shim over the dowel of the flywheel. Fit a OEM fitment Discovery 3 manual clutch plate. Fit a OEM fitment Td5 manual clutch cover.
- Fit the Clutch slave shim to the slave cylinder. A small amount of sealant or grease can be used to keep the shim in place during fitting.
- Fit the gearbox to the engine. ENSURE THAT DOWELS ARE FITTED. Not all bolt holes are used/required. If there is not a hole/thread, you dont need to fit that bolt. Torque all OEM fasteners to OEM spec where possible and where custom please use this guide:

- Plumb your clutch hydraulic system and test the operation of the clutch at the earliest opportunity.
Join the Td5 6 speed group:
https://www.facebook.com/groups/1668671127467242
Take a look at our TD5 6 speed Discovery 3 on Youtube: https://youtu.be/RuWw8jnb2Ww?si=_iOTimXw8a1BCzXz


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