Transmission
Land Rover Valve Body
Valve bodies, mechatronic units and solenoids for Land Rover automatic gearboxes.
- Fitment checked against your VIN
- Couriered nationwide
- Supplied from Durban North
Find your model
Transmission by Land Rover model
Where a model has a known fault in this system, it is flagged below. Each model page explains what is specific to that generation.
Defender
2 models- Defender (Classic) transmission · 1990s–2016
- Defender (L663) transmission · 2020–present
Discovery
5 models- Discovery 4 transmission · 2009–2017
- Discovery Sport transmission · 2015–present
- Discovery 5 transmission · 2017–present
- Discovery 2 transmission · 1999–2004
Range Rover
9 models- Range Rover Sport (L320) transmission · 2005–2013 Known issue: Front lower arms, hubs and differential
- Range Rover Sport (L494) transmission · 2013–2022
- Range Rover (L405) transmission · 2013–2022
- Range Rover Velar transmission · 2017–present
- Range Rover Evoque (L551) transmission · 2019–present
- Range Rover (L460) transmission · 2022–present
- Range Rover Sport (L461) transmission · 2022–present
Freelander
2 modelsKnow the part
Understanding Valve Body
The valve body is the hydraulic control centre of an automatic gearbox. It directs fluid to the clutches and brakes that select each gear, using solenoids controlled by the gearbox computer. On the ZF six- and eight-speed gearboxes used in many Land Rovers, the valve body and control unit are combined into a mechatronic unit.
Worn valve bores, sticking solenoids and old fluid cause harsh or erratic shifts. On ZF six-speed (6HP) gearboxes, the sealing sleeve where the electrical connector passes through the gearbox casing can warp with heat and age and let fluid seep past its O-rings.
Further reading
- Automatic transmission – Wikipedia
Background on hydraulic control in automatic gearboxes.
Questions
Common Questions About Land Rover valve body
Can a mechatronic unit be repaired?
Some faults, such as worn solenoids or seals, can be repaired by transmission specialists. Electronic failures in the control unit may need a replacement mechatronic unit, which then needs programming to the vehicle.
Why is my ZF gearbox leaking at the connector?
The sealing sleeve where the electrical connector passes through the case can warp with heat and age, letting fluid seep past its O-rings. Replacing the sleeve is a common fix and should be done before low fluid damages the gearbox.
Does a fluid change fix harsh shifts?
Sometimes, if the fluid is old. If shifts stay harsh with fresh fluid, the valve body, solenoids or internal clutches may need attention.
What should I send to order a valve body?
The VIN and the gearbox identification label details. Mechatronic units are specific to the gearbox and software version.
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Not sure which part fits?
Send your VIN or engine code and the SparesBoyz parts team will check fitment before quoting. Parts are couriered nationwide.