CHRISTMAS SALES BONANZA Use Code 'JUNE10'

Radiator cap

Subaru Outback Radiator Cap

  1. Part No :174TO0020
    £18.40
    RADIATOR CAP
    • In Stock

    • FREE UK Delivery: On orders over £25

    • Click & Collect: Branches nationwide

    • Low Price Promise

    Fitment Info

    Brand Standard
    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
    Home Delivery
    Add to Basket
    This part is in stock for Home Delivery
    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 
    Click & Collect
    Reserve and Collect in 1 hour, Pay in Branch
    View More Branches
    Checking stock near 
    Click & Collect
    Reserve and Collect in 1 hour, Pay in Branch
    Check another location

Essential Role of the Radiator Cap in Your Subaru Outback

The radiator cap may seem like a small component, but it plays a crucial role in maintaining the integrity of your cooling system. It is designed to keep the cooling system in your Subaru Outback pressurized, which raises the boiling point of the coolant and helps prevent overheating. A malfunctioning radiator cap can lead to a variety of issues, including coolant loss, overheating, and engine damage.

Signs of a Faulty Radiator Cap

Identifying a faulty radiator cap early can save you from more significant problems down the road. Common signs that the radiator cap on your Subaru Outback may need replacement include visible coolant leaks, an overheating engine, or coolant that boils over. It's essential to address these symptoms promptly to ensure the longevity of your vehicle's cooling heating system.

Choosing the Right Radiator Cap for Your Subaru Outback

When selecting a new radiator cap for your Subaru Outback, it's vital to choose one that meets the manufacturer's specifications. The correct cap will maintain the proper pressure levels within the cooling system, ensuring efficient operation. Compatibility with your Outback model is key to ensuring a perfect fit and optimum performance.

Installation and Maintenance

Installing a new radiator cap is a straightforward process that can often be done without professional assistance. However, it's important to ensure that the engine is cool before attempting to replace the cap to avoid injury. Regular checks of the radiator cap and the entire cooling system can help detect potential issues before they escalate.

Find the Right Parts for Your Subaru Outback

Your Subaru Outback deserves the best care, and that includes using the right parts for maintenance and repairs. Whether you're looking for a replacement radiator cap or other components for your vehicle's cooling system, it's important to source quality parts that will ensure the best performance and reliability. For all your Subaru Outback parts needs, consider browsing our extensive selection of Outback Subaru car parts.

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.