4359953 | 53mm Thermostat O-Ring - 4.4 AJ-V8 | Discovery 3, Range Rover L322
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: 4359953 - 53mm Thermostat O-Ring
4359953 is a 53mm thermostat O-ring. It seals the 53mm thermostat housing on 4.4 AJ-V8 (220 kW) petrol engines. When the thermostat is serviced, the O-ring should be inspected and replaced if damaged to maintain a reliable coolant seal.
Compatibility
- Discovery 3 - 4.4 AJ-V8 (220 kW) - From VIN 6A000001
- Range Rover L322 - 4.4 AJ-V8 (220 kW) - From VIN 6A000001
- Range Rover Sport L320 - 4.4 AJ-V8 (220 kW) - From VIN 6A000001
Frequently Asked Questions
4359953 is a 53mm thermostat O-ring that provides the seal at the 53mm thermostat housing on 4.4 AJ-V8 (220 kW) petrol engines. It prevents coolant leakage at the housing and should be checked and replaced if damaged when the thermostat is serviced.
| Model | Variant |
|---|---|
| Land Rover Discovery 3 | 4.4 AJ-V8 (220 kW) - From VIN 6A000001 |
| Land Rover Range Rover L322 | 4.4 AJ-V8 (220 kW) - From VIN 6A000001 |
| Land Rover Range Rover Sport L320 | 4.4 AJ-V8 (220 kW) - From VIN 6A000001 |
If you are unsure of compatibility with your vehicle, you can also confirm by checking against your V.I.N. Simply reach out to us with your V.I.N and desired part number via our Contact page or use our Finding Part Numbers page.
Replace the O-ring whenever the thermostat housing is removed or if the O-ring shows signs of damage, hardening or coolant leakage. Using a new, undamaged 53mm O-ring when refitting helps ensure a reliable seal.
- C8 products are usually supplied by Britpart.
- L8 products are genuine Land Rover parts.
- Z8 products are normally supplied by Allmakes.
All products and accessories available on LRDirect.com come with a 2-year warranty.