Holts Radweld 250ml

By Holts Product code: 12640 Pack size: Each

Product Details

The advanced formula targets radiator leaks, sealing them safely. Suitable for all cars and mixes with all coolant/antifreeze.

Radweld works its way through the system to target radiator leaks, without damaging or clogging the system. An easy to use radiator cooling system leak repair.

• Suitable for leaks in radiators and hoses
• Seals in minutes with no clogging or damaging effect
• Prevents future leaks
• Simply pour into coolant/antifreeze
• Treats up to 14L

No need to drain or flush the cooling system before use. Simply pour and fix. Pour whole bottle into cooling system, do not pour into engine.

Technical Specification
Brand Holts
Unavailable offshore
Manufacturer ID RW2R
Safety Data Sheet click here
Type Radiator Sealant & Treatment
Pack Size 1
Volume (ml) 250
Delivery details

DELIVERY OPTIONS (UK mainland only)

Next Day Delivery – £5.00 or FREE for orders over £25

  • Order before 7pm Monday to Thursday for next business day delivery
  • Order Friday to Sunday before 5pm for Monday delivery
  • Orders placed after Sunday at 5pm will be delivered the following Tuesday

Pre-12pm Delivery – £10.00 or £5.00 for orders over £25, to arrive before 12pm on the scheduled days above

Saturday Delivery – £10.00 or £5.00 for orders over £25 & FREE for orders over £75 (order by 6pm Friday)

Sunday delivery – £10.00 or £5.00 for orders over £25 & FREE for orders over £75 (order by 4pm Saturday)

Times may vary for items being delivered directly from the supplier. For more information, please visit our delivery information page below.

Items over 30kg can only be delivered from Monday to Friday. If ordered before 6pm, please allow up to two business days for delivery. Orders placed after 6pm Thursday will be delivered after the weekend.

More about Delivery
Click & Collect details

Collection Details

Our opening times are 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday. Please check your local branch is open on the branch locator page, before you visit.

Once you have placed your order online, we’ll have it ready for you at the branch you have selected in as little as 5 minutes. We will hold your order for 14 days, after which we will automatically generate a refund to the payment type you used to place the order.

Don’t forget your mobile number – Make sure your mobile number is added so that we can text you when your order is ready to collect. Please wait for your text or email before coming to collect your items.

If an item is eligible for Next Business Day Collection in branch, the order must be placed by 7pm Monday to Thursday for collection the next day. Orders placed after 7pm on Thursday, and up to 5pm on Sunday, will be available for collection on Monday. For larger items over 30kg, please allow two business days.

Holts Radweld 250ml is rated 5.0 out of 5 by 11.
Rated 5 out of 5 by from Does the job! Had an awful brown sludge dripping from under the car after it overheated. Flushed it through and then topped up with ckean coolant and radweld and, fingers crossed, it seems to have done the trick, no more leaking and no overheating.
Date published: 2022-05-04
Rated 5 out of 5 by from Happy bunny Stopped the leak,was losing 1 litre of coolant per week
Date published: 2021-11-11
Rated 5 out of 5 by from Best stuff I used Did the job. It fantastic
Date published: 2021-08-19
Rated 5 out of 5 by from Delivered Very promt service and free next day delivery over£20 will certainly use again thank you
Date published: 2021-07-27
Rated 5 out of 5 by from Easy to use Used to clear radiator on a 1931car. Very pleased with the results
Date published: 2021-07-27
Rated 5 out of 5 by from Radweld Excellent product and cheaper than elsewhere
Date published: 2021-07-20
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