PET100790 | Water Pump Housing Gasket - 300Tdi | Defender & Range Rover Classic
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: PET100790 - Water Pump Housing to Block Gasket - 300Tdi
PET100790 is the gasket that seals the water pump housing to the engine block on 300Tdi engines. It sits behind the timing cover and seals the water inlet where the pump housing meets the block to help prevent coolant leakage.
Compatibility
- Defender (1987-2006) - 300Tdi
- Discovery 1 - 300Tdi
- Range Rover Classic - 300Tdi
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.
Frequently Asked Questions
PET100790 forms the seal between the water pump housing and the engine block on 300Tdi engines. By sealing the water inlet behind the timing cover it prevents coolant loss at the pump housing junction and helps maintain correct cooling system integrity.
| Model | Variant |
|---|---|
| Land Rover Defender (1987-2006) | 2.5L I4 300 TDi Diesel Turbo (Coolant pump) |
| Land Rover Discovery 1 | 300Tdi |
| Land Rover Range Rover Classic | 300Tdi |
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 gasket if there is evidence of coolant leakage at the water pump housing or when the pump housing is removed for service; always ensure sealing surfaces are clean before fitting a new gasket.
- 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.