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LR010965 - Expansion Tank Cap

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€3,80
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Aftermarket Part
Aftermarket: Quality alternative. This is a quality alternative, designed to fit and function like the original part, often at a more competitive price.
Expansion Tank Cap seals the coolant expansion tank in the engine cooling system and sets the circuit's operating pressure.

The pressure-relief valve in the cap holds the coolant under pressure to raise its boiling point, venting to the overflow when pressure exceeds the rated value, and draws coolant back into the system as it cools.
Vehicle Model Land Rover Defender New 2020+
Land Rover Discovery 4 2010-2016 (L319)
Land Rover Discovery 5 2017+ (L462)
Range Rover 2002-2012 (L322)
Range Rover 2013-2022 (L405)
Range Rover Sport 2005-2013 (L320)
Range Rover Sport 2014-2022 (L494)
Fitment Notes DISCOVERY 4 2010-2016 — 4.0L V6 Petrol, 5.0L V8 Petrol, 3.0L V6 SC Petrol.
DISCOVERY 5 2017+ — 3.0L V6 SC Petrol, 3.0L V6 Diesel, 3.0L Petrol High, 3.0L Diesel High.
NEW DEFENDER 2020+ (L663) — 2.0L Diesel, 3.0L Petrol, 3.0L Diesel, 5.0L V8 Petrol.
RANGE ROVER 2010-2022 (L322/L405) — 5.0L V8 NA/SC Petrol, 3.0L V6 SC Petrol, 3.0L Petrol High, 3.0L Diesel High.
RANGE ROVER SPORT 2010-2022 (L320/L494) — 5.0L V8 NA/SC Petrol, 3.0L V6 SC Petrol.
Alternative Codes
LR010965

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Frequently asked questions

What does the expansion tank cap do?
The expansion tank cap seals the coolant expansion tank and sets the cooling system's operating pressure. A pressure-relief valve in the cap holds the coolant under pressure to raise its boiling point, vents to the overflow when pressure exceeds the rated value, and draws coolant back in as the system cools.
Which Land Rovers does this expansion tank cap fit?
This expansion tank cap fits a wide range of 2010-onward models, including the Discovery 4 and 5, New Defender L663, Range Rover L322/L405 and Range Rover Sport L320/L494, across petrol and diesel engines. Check your existing cap matches before ordering.
What are the signs the expansion tank cap needs replacing?
An expansion tank cap typically needs replacing when the system loses coolant, overheats, or the cap's seal looks cracked or perished. A worn cap can't hold the rated pressure, which lowers the coolant's boiling point and can cause the engine to run hot. It's a common, inexpensive failure point.

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