Description
Pressure-Regulating Cap for Land Rover Expansion Tanks
Keep your Land Rover’s cooling system operating safely with the PCD500030 Coolant Overflow Reservoir Tank Cap. This precision-engineered cap regulates system pressure, prevents leaks, and ensures coolant stays where it belongs — protecting your engine from overheating.
Designed as a direct replacement for worn or leaking caps, the PCD500030 fits perfectly on compatible Land Rover expansion tanks, including LR020367 and similar applications.
Key Features:
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Direct-fit replacement for PCD500030
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Maintains correct system pressure for optimal cooling performance
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High-strength heat- and chemical-resistant construction
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Prevents coolant loss and overheating
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Quick, tool-free installation
Vehicle Compatibility:
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LR3 / Discovery 3 (2005–2009)
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LR4 / Discovery 4 (2010–2016)
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Range Rover Sport L320 (2006–2013)
Part Number: PCD500030
Installation Notes:
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Simply remove the old cap and screw on the new one — no tools required
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Replace whenever the cap seal is cracked, damaged, or not holding pressure
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Recommended to inspect cap during every coolant service
Frequently Asked Questions:
Q: Does this fit Genuine and OEM expansion tanks?
A: Yes — it’s compatible with all versions of the LR020367 expansion tank.
Q: How often should I replace the cap?
A: Every 3–5 years or if it fails a pressure test.
Q: Will this fix a coolant leak?
A: Only if the leak is caused by a faulty or cracked cap seal — check your reservoir for damage as well.
Part Number: PCD500030
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