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Radiator cap

Peugeot 309 Radiator Cap

  1. Part No :174ME0190
    £6.00
    RADIATOR CAP
    • FREE UK Delivery: On orders over £25

    • Click & Collect: Branches nationwide

    • Low Price Promise

    Fitment Info

    Brand Standard
    Fitting Position Front
    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 :174PC0030
    £9.26
    RADIATOR CAP
    • FREE UK Delivery: On orders over £25

    • Click & Collect: Branches nationwide

    • Low Price Promise

    Fitment Info

    Brand Standard
    Pressure [bar] 1.4
    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 
    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

Understanding the Radiator Cap in Your Peugeot 309

The radiator cap is a critical component in the cooling system of your Peugeot 309. It serves as a pressure seal, keeping the cooling system pressurized which raises the boiling point of the coolant. This pressure cap also allows excess pressure and heat to vent to the overflow reservoir, maintaining the system's efficiency. A malfunctioning radiator cap can cause overheating, coolant loss, and can adversely affect the overall performance of your vehicle's engine.

Signs of a Faulty Radiator Cap

Noticing the signs of a faulty radiator cap early can save your Peugeot 309 from more serious damage. Common symptoms include coolant leaks, an overheating engine, and white streaks on the radiator itself. If you observe any of these issues, it might be time to inspect the cap and consider a replacement.

Choosing the Right Radiator Cap for Your 309

When selecting a new radiator cap for your Peugeot 309, it's essential to choose one that matches the specifications recommended by Peugeot. The cap's pressure rating should align with your model's requirements to ensure proper functioning of the cooling heating system. Using an incorrect cap can lead to inadequate pressure control and potential engine damage.

Quality Radiator Caps for Peugeot 309

Investing in a high-quality radiator cap is crucial for the longevity of your Peugeot 309's cooling system. At GSF Car Parts, we understand the importance of reliable and durable car components. That's why we offer a selection of radiator caps that are designed to meet or exceed the original equipment manufacturer (OEM) standards. Ensure your vehicle's performance and safety by choosing the right parts from a trusted supplier.

Find Your Peugeot 309 Car Parts at GSF Car Parts

If you're in need of a new radiator cap or any other cooling system components for your Peugeot 309, look no further. GSF Car Parts has a wide range of parts to keep your vehicle running smoothly. Check out our selection and find the perfect match for your car. And if you need assistance, our knowledgeable staff is here to help with your specific needs.

For all your Peugeot 309 car part requirements, visit our main parts page. Find high-quality parts that ensure your vehicle's performance is never compromised. Click here for 309 Peugeot 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.