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Coolant reservoir caps - used OE
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Expansion tank Cap 2Q0121321A VW GOLF VII TIGUAN II A3 8V ID.3
£23.61 -10% Off £21.25Expansion tank Cap 2Q0121321A VW GOLF VII TIGUAN II A3 8V ID.3 -
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KOREK ZBIORNIKA WYRÓWNAWCZEGO 7639020 BMW 1 F20 2 F22 3 F30 4 F32 5 F10
£27.66 -10% Off £24.90KOREK ZBIORNIKA WYRÓWNAWCZEGO 7639020 BMW 1 F20 2 F22 3 F30 4 F32 5 F10 -
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Expansion tank Cap A0005018215 INFINITI Q50 I OD-2013
£29.30 -10% Off £26.37Expansion tank Cap A0005018215 INFINITI Q50 I OD-2013 -
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Expansion tank Cap 137KPA | 19.9PSI | FL22 FIAT 124 SPIDER I From-2016
£29.91 -10% Off £26.92Expansion tank Cap 137KPA | 19.9PSI | FL22 FIAT 124 SPIDER I From-2016
Expansion Tank Caps – Crucial Components in Your Cooling System
Expansion tank caps are essential parts for the proper functioning and longevity of your vehicle’s cooling system. Their main purpose is to maintain correct pressure and seal the coolant, which directly affects the efficiency of engine cooling and driving safety. Our offer includes expansion tank caps suitable for most car makes and models available on the market.
Why Is the Expansion Tank Cap So Important?
The expansion tank cap ensures not only tightness but also the right pressure within the cooling system. With a properly functioning cap:
- The system retains the coolant and does not lose it through evaporation or leakage.
- Optimal operating pressure is maintained, allowing the engine to keep the desired temperature.
- Prevents air from entering the system that could cause the engine to overheat.
Common Malfunctions of Expansion Tank Caps
A damaged or worn expansion tank cap can lead to many significant issues with the cooling system. The most common symptoms include:
- Coolant leaks around the cap.
- Lack of proper pressure in the system (engine overheating).
- Appearance of air bubbles in the system or under the cap.
- Regular loss of coolant, even without visible leaks.
- Cracks in the cap or its seals.
Frequently Asked Questions About Expansion Tank Caps
How often should the expansion tank cap be replaced?
Caps should be checked during major vehicle inspections. If any leaks or loss of pressure are detected, the cap should be replaced. Preventive replacement is recommended every 2–3 years or according to manufacturer’s guidelines.
What are the symptoms of a damaged expansion tank cap?
Typical signs include coolant leaks, improper engine heating or overheating, and visible damage to the cap.
Can I use a universal cap?
It is always recommended to use caps dedicated to your specific vehicle model because of differences in operating pressure and dimensions.
When should I decide to replace the cap?
Whenever there are cooling system failures, coolant leaks, color changes under the cap, or visible mechanical damage.
Wide Range of Expansion Tank Caps
We offer a broad selection of expansion tank caps for most car models. Our site features caps with suitable air release valves, resistant to high temperature and pressure, all meeting rigorous quality standards. Choosing a cap from our offer ensures your car is properly protected from coolant loss and overheating. Additionally, replacing the cap is a minor expense comparing to potential cooling system damages.
Conclusion
Do not underestimate the role of your expansion tank cap! Check our online offer and choose a cap tailored to your vehicle – keep your engine running safely and efficiently!