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Holts SEALit Coolant Leak Repair – 250ml | Permanent Cooling System Fix - Picture 1 of 2
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Holts SEALit Coolant Leak Repair – 250ml | Permanent Cooling System Fix

WholesaleStockUK
(176)
Registered as a private seller
Consumer protection regulations resulting from EU consumer law are therefore not applicable. eBay buyer protection still applies to most purchases.
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£19.75
Condition:
New
2 available
Breathe easy. Returns accepted.
Postage:
May not post to United States. Read item description or contact seller for postage options.
Located in: London, United Kingdom
Delivery:
Varies
Returns:
30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
Payments:
    Diners Club

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eBay item number:396176495926
Last updated on 08 Jul, 2025 21:21:16 BSTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging ...
Brand
Holts
Manufacturer Part Number
HREP0101A
Type
Sealant
Volume
250 mL
Country/Region of Manufacture
United Kingdom

Item description from the seller

About this seller

WholesaleStockUK

99.4% positive Feedback•623 items sold

Joined Jan 2025
Usually responds within 24 hours
Registered as a private sellerThereby, consumer rights stemming from EU consumer protection law do not apply. eBay buyer protection still applies to most purchases.
Welcome to Wholesale Stock UK – your reliable source for branded tools, accessories, and everyday essentials at competitive prices. Enjoy great value on trusted products delivered straight to your ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable postage cost
5.0
Delivery time
4.9
Communication
5.0

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Seller Feedback (183)

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  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Great item I'm on my second pen now as I work as a courier and drive in tight streets. Item arrived quickly but I was a bit confused amazon delivered it and not royal mail as advertised. It got here fast anyway and very happy to buy from this seller in the future.
  • *****- Feedback left by buyer.
    Past month
    Verified purchase
    Great seller! Item as described, really quick delivery. Many Thanks!
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Well packaged, as described, arrived on time, good price
See all Feedback

Product ratings and reviews

Learn more
4.5
73 product ratings
  • 60 users rated this 5 out of 5 stars
  • 4 users rated this 4 out of 5 stars
  • 1 users rated this 3 out of 5 stars
  • 1 users rated this 2 out of 5 stars
  • 7 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 63 reviews
  • by 123571113
    11 May, 2025Most favourable review

    Blocked the leak and had very clear instructions. A bit more expensive for Holts, as it is a the known brand, but worth it for certainty.

    Got my car back on the road and no collant problems since.

    Verified purchase: YesCondition: NewSold by: fixra_uk

  • by dfordcapri
    12 Aug, 2022

    Holt's Sealit- a premium leak sealer for your car.

    I have used this and Holt's Radweld Plus with great success for many years. I have found this is superior to products that cost 3 times as much and is very easy to use. Just make sure you add it (with care due to hot liquids) when the engine is warmed up and circulating , so it goes straight into the system and isn't left in a non moving coolant bottle for ages. This product is so good it can even seal small leaks in the head gasket which is a very difficult and expensive or repair to undertake if one chooses to replace the head gasket.Try this cure first.

    Verified purchase: YesCondition: NewSold by: roebuck10a

  • by ukdav.nixfrtf
    20 Mar, 2019

    David smith

    This seems to have fixed a leaking core plug. It does exactly what it says it does mg t type Dave

    Verified purchase: YesCondition: NewSold by: save_and_drive

  • by tilljr
    05 Jul, 2017

    Product Works

    Coolant level sensor light kept coming on, so my car required topping up with coolant and water on a weekly basis, added this to the system following the instructions, after a month the system hasnt lost any coolant. Basically it works!

    Verified purchase: YesCondition: NewSold by: uhfdistribution

  • by ollieh1979
    22 Jun, 2022

    It works very well!

    It's a well known product but yeah, it's pretty darn good! Been having to refill my cooling system daily for a couple of weeks. Filled it with coolant and half a bottle of this stuff, did the running it thing. Haven't had to put any more coolant in since!

    Verified purchase: YesCondition: NewSold by: exosltd

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