Transmission
Land Rover Ring Gear
Crown wheels and flywheel ring gears for Land Rover axles and engines.
- 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 Ring Gear
The term ring gear covers two different parts. In an axle, the ring gear, also called the crown wheel, is the large gear in the differential driven by the pinion. It is always sold and fitted as a matched crown wheel and pinion set. On the engine, the starter ring gear is the toothed ring around the flywheel or flexplate that the starter motor engages.
A damaged crown wheel usually shows up as whine or clunks from an axle, while a worn starter ring gear causes grinding when starting.
Further reading
- Differential (mechanical device) – Wikipedia
Background on crown wheels and pinions in differentials.
Questions
Common Questions About Land Rover ring gear
Can I replace just the crown wheel?
No. The crown wheel and pinion are machined and matched as a set, and must be replaced together and set up with the correct backlash and preload.
Do I need to know my axle ratio?
Yes. Both axles on a four-wheel-drive Land Rover must have the same ratio. Check the part number or count the teeth on the crown wheel and pinion.
Can a starter ring gear be replaced on its own?
On some flywheels the ring gear is a separate press-fit part; on others, especially dual-mass flywheels, the flywheel is replaced complete.
Who should set up a crown wheel and pinion?
A differential specialist. Incorrect setup causes noise and rapid wear.
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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.