624091 | Thermostat Pipe Adapter - 200Tdi, 300Tdi | Defender & Discovery & Range Rover
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: 624091 - Coolant Pipe to Thermostat Adapter
624091 is a Coolant Pipe to Thermostat Adapter. This screw-in adapter connects the coolant pipe to the thermostat: it screws into the cylinder block on 200Tdi and 300Tdi engines, and on older 4-cylinder models it screws into the thermostat housing. It provides the threaded interface for the thermostat outlet and should be checked for secure fit and any signs of corrosion or thread damage when the cooling system is serviced.
Compatibility
- Discovery 1 (1989-1998) - 200Tdi, 300Tdi
- Defender (1987-2006) - 2.25L 4 Cyl Petrol; 2.5L 200Tdi; 2.5L 300Tdi
- Range Rover Classic (1992-1994) - 2.5L 200Tdi; 2.5L 300Tdi
- Series - 4 Cylinder
Frequently Asked Questions
624091 is a screw-in adapter that provides the threaded connection between the coolant pipe and the thermostat. It locates into the cylinder block on 200Tdi and 300Tdi engines or into the thermostat housing on older 4-cylinder models. Check the part for secure fit, corrosion or damaged threads during cooling system maintenance and replace if necessary.
| Model | Variant |
|---|---|
| Land Rover Discovery 1 (1989-1998) | 200Tdi; 300Tdi |
| Land Rover Defender (1987-2006) | 2.25L 4-cylinder petrol; 2.5L 200Tdi; 2.5L 300Tdi |
| Land Rover Range Rover Classic (1992-1994) | 2.5L 200Tdi; 2.5L 300Tdi |
| Land Rover Series | 4-cylinder |
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.
Inspect the adapter during any cooling system service and replace it if there are signs of leakage, corrosion or damaged threads. If unsure, consult the vehicle service manual or a professional technician.
- C8 products are usually supplied by Britpart.
- L8 products are genuine Land Rover parts.
All products and accessories available on LRDirect.com come with a 2-year warranty.