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Radiator cap

Audi RS3 Radiator Cap

  1. Part No :174VG0210
    £9.60
    EXPANSION TANK CAP
    • In Stock

    • FREE UK Delivery: On orders over £25

    • Click & Collect: Branches nationwide

    • Low Price Promise

    Fitment Info

    Brand Standard
    Pressure [bar] 1.4
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    • Silver
      Original Equipment quality product in a GSF Own Brand
    • Silver
      Original Equipment quality product in a GSF Own Brand
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  2. Part No :174VG0310
    £10.40
    RADIATOR CAP
    • FREE UK Delivery: On orders over £25

    • Click & Collect: Branches nationwide

    • Low Price Promise

    Fitment Info

    Brand Standard
    Pressure [bar] 1.6
    Please select your preferred brand or option
    • Silver
      Original Equipment quality product in a GSF Own Brand
    • Silver
      Original Equipment quality product in a GSF Own Brand
    Click and Collect
    Enter your full postcode to check local branch stock

    Please enter a town or postcode.

    Click and Collect
    Nearest Branch
    More Branches
    Checking stock near 
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Essential Role of the Radiator Cap in Your Audi RS3

The radiator cap may seem like a small component, but it plays a crucial role in the cooling system of your Audi RS3. It is designed to maintain the correct pressure within the cooling system, preventing coolant from boiling over and ensuring that your engine operates at an optimal temperature. A faulty radiator cap can lead to overheating, which can cause significant engine damage if not addressed promptly.

Signs of a Faulty Radiator Cap

Knowing the signs of a failing radiator cap is vital for any Audi RS3 owner. Issues such as coolant leaks, an overheated engine, or a collapsed radiator hose could indicate that your radiator cap needs attention. Regular inspections are recommended to avoid any potential problems that could arise from a damaged cap.

Choosing the Right Radiator Cap for Your Audi RS3

When selecting a replacement radiator cap for your Audi RS3, it's important to choose one that matches the specifications recommended by Audi. A cap with the correct pressure rating ensures that the cooling heating system functions properly. At our store, we offer a variety of radiator caps that are compatible with your RS3, providing the reliability and performance you expect from Audi.

Installing a New Radiator Cap

Installing a new radiator cap is a straightforward process that can be done with minimal tools. However, it's essential to ensure that the engine is cool before attempting to replace the cap to avoid injury from hot coolant or steam. If you're not comfortable performing this task, we recommend seeking the assistance of a professional mechanic.

Maintain Your Audi RS3's Peak Performance

Regular maintenance of your Audi RS3's cooling system, including the radiator cap, is crucial for maintaining your vehicle's performance and longevity. By ensuring that all components are functioning correctly, you can enjoy the thrilling driving experience that your RS3 is known for, without the worry of overheating issues.

For all your Audi RS3 cooling system needs, including quality radiator caps, visit our comprehensive selection of RS3 Audi car parts. We provide the parts you need to keep your vehicle running smoothly and efficiently.

Radiator caps

Find quality aftermarket radiator caps at GSF Car Parts. We stock reliable, long-lasting caps sourced from our reliable, trusted auto partners. Use the product finder to find the best match for your car's radiator by entering your vehicle's reg number or make and model.

What is a Radiator Cap?

A radiator cap is not just a standard cap. It regulates the maximum pressure inside the radiator, stopping any damage to the radiator hoses and the radiator itself. The radiator cap has a return valve installed that allows air in from the atmosphere or coolant from the expansion tank if you have one installed.

What are the Signs of a Broken Radiator Cap?

It could be a broken radiator cap if you notice any of these symptoms.

  • Engine overheating
  • Coolant leaking from the radiator
  • A radiator hose that has collapsed
  • The coolant reservoir tank overflowing

What Other Car Parts do we Stock?

Keeping your cooling and heating system in check is vital for keeping your car warm and your engine temperature running smoothly. We hold stock of cooling system spares for every eventuality, including full radiators, thermostats, water pumps, radiator fans, antifreeze, radiator mountings, and much more!

Those of you who love to work on your car at home can learn how to spot a radiator leak and perform a coolant flush with our handy knowledge hub guides. Check how your thermostat works and how to change it. And if you're new to car maintenance but want to learn, you can start by finding out what antifreeze is here

We stock a full range of car parts and spares for other repairs or servicing on your car, from service, engine, transmission, exhaust, electrics, fuel and emissions, braking systems, and cooling and heating parts. All are sourced from our trusted and reliable auto partners.

Shop Radiator Caps at GSF Car Parts Online and In-Store

All our radiator caps are from trusted brands in the motoring industry, so you can count on them to be reliable and of excellent quality. Plus, our low-price promise means you can always expect great value too.

We offer free UK delivery on all online orders over £25, plus 60-day returns*. We also know you want to get your car up and running as soon as possible, which is why we offer a Click and Collect service that allows you to get your radiator cap in just an hour.

So, buy radiator caps from us with confidence today. Or if you’re close to one of our 180 store locations across the UK & Ireland, drop by. Our experienced staff will be able to direct you to the correct part for your vehicle.