Automatic Conversion to suit Land Rover Defender 90 or 110 2.2L and 2.4L Puma to 4 Speed ZF HP24 Automatic

Manual to Automatic Conversion

Side On Transmission

Fully rebuilt ZF 4HP22 transmission with torque converter.

  • Completely rebuilt heavy duty performance transmission
  • All new clutch frictions
  • All new gaskets, seals and rings
  • Heavy duty custom torque converter
  • Pre-tested
Front Adapter

Bell Housing.
Transmission comes with new custom bell housing that enables the ZF 4 Speed to bolt directly to the Puma 2.2L and 2.4L engine.

Bell Housing

Transmission to Transfer Case Adaptor.
Transmission comes with the correct rear adaptor housing and output shaft that allows the original transfer case to be reused for that modification.

COMPUSHIFT Controller, Harness, Display, Hand

COMPUSHIFT Sport with Display.

  • Custom built to operate the 4 Speed ZF overdrive transmission
  • Bluetooth integration so you can adjust settings using your smart device
  • Display unit for monitoring important parameters
  • Manual control in sports mode for low range
  • Selector position readout for automatic mode and current gear when in sports mode

T-Bar Shift Assembly.
T-Bar Shift Assembly with cable and bracketry to suit 4 Speed ZF Transmission.

Generic Cooler

When you are an automatic transmission, keeping your cool is your number one priority.

  • Heavy duty transmission oil cooler
  • More than twice the cooling capacity of the factory cooler
  • A stand alone cooler means no chance of cross contamination of coolant and transmission fluid

ZF4 HP24 Gear Ratios

1st 2nd 3rd 4th R
2.48 1.48 1.00 0.728 2.09


The Kit Components

Assembled Transmission

Contact us to convert your Land Rover Defender to a 4 Speed Automatic Now!