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K-Seal K5501 Coolant Leak Repair *BRAND NEW* - Picture 1 of 2
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K-Seal K5501 Cooling System Repair 236ml

4.57551 product ratings
cmcjag (1343)
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Price:
£8.00
+ £4.00 postage
Estimated delivery Fri, 2 May - Wed, 7 May
Returns:
14 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
Condition:
New
BRAND NEW K-SEAL 236ML BOTTLE

About this product

Product Identifiers

BrandK-Seal
MPNCARK5501, K5501
Manufacturer Part NumberKALK5501, K5501
EAN5060002968017, 8438482181719
GTIN5060002968017, 8438482181719
eBay Product ID (ePID)15031984468

Product Key Features

Reference OE/OEM NumberBar Code: 5060002968017, 5060002968017, St5501
TypeSealant

Dimensions

Volume236ml

Additional Product Features

Custom BundleNo
Bundle ListingNo

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Ratings and reviews

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4.6
551 product ratings
  • 455 users rated this 5 out of 5 stars
  • 35 users rated this 4 out of 5 stars
  • 15 users rated this 3 out of 5 stars
  • 13 users rated this 2 out of 5 stars
  • 33 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 475 reviews
  • by ghostrider1964
    07 Jul, 2021Most favourable review

    The cheeper quicker hassle free alternative

    This was something recommended to me by a friend. and now my car love's me again. it's fantastic easy to use small enough to keep in your car as an emergency tool. if you're car is getting hot under the collar, try k-seal before going to a garage and it may save you hundreds in labour and parts and a lot of time too. all instructions for use are easily understandable, (warnings too) I wish I'd invented it.

    Verified purchase: YesCondition: New

  • by nicobhoy72012
    05 Dec, 2018Most critical review

    K seal

    Used in my ford mondeo mk4 diesel. and ended up choking up my radiator and heater matrix giving me bad back pressure and causing low or no flow through coolant system forcing coolant out expansion bottle also had no heating as heater matrix got choked up with the k.seal. ended up having to flush out full coolant system and radiator and matrix as was loosing coolant due to blockage and forcing coolant out of expansion bottle .maybe work for other cars but wouldnt recomend for mk4 mondeo 1.8tdci as caused a small coolant leak to turn into major problems before i added to coolant system could run car for 150 to 250 miles before adding coolant and after adding k.seal car overheated on a 2 mile run .

    Verified purchase: YesCondition: New

  • by 0030dimsam55555
    07 Nov, 2017

    No fix because..

    Perhaps its a nice product but in my occasion did nothing because i had the type of head gasket problem that exhaust gases mix with coolant so because of the pressure no k-seal mixed with coolant can reach the head gasket leak

    Verified purchase: YesCondition: New

  • by olliesixx
    14 Nov, 2017

    Tried them all

    Yes I've tried them all over the cars I've owned, I won't mention any brands, but this is the only one that jot only works, permanently works! Or at least plenty long enough to save up the cash to fix the job properly. Don't waste your time with others, this is the best!

    Verified purchase: YesCondition: New

  • by doormanjoel
    23 Oct, 2019

    Excellent if used correctly!

    If used correctly this works great this saved me over £1000 used on a super bike, will only seal small leaks so don't moan if it don't seal a massive hole , mix with coolant 1st and put directly in to radiator and DONT use too much, less is best I used just under half a bottle on a massive 1448cc superbike, those that moan about it clogging up parts used too much 👍

    Verified purchase: YesCondition: New

  • by nurdybumbum
    21 Jul, 2019

    Limping along

    When my head gasket blew, the only sign was water loss. It was going out the exhaust. No water in my oil so my mechanic suggested this - the bogger. So eventually i did and I limped along like that for two year before paying for head gasket replacement. I wish i had gone for the proper repair. I flushed it out as best i can but i think it’s slowed down the heater matrix.

    Verified purchase: YesCondition: New

  • by jozebube
    13 Sep, 2017

    K-Seal

    So far, so good! Installed this in an X-reg Skoda Fabia which has 'brewed up' from time to time previously. On this occasion, the back end of the thermostat housing blew right off! I think these motors have an inherent problem where periodically a jet of hot gas from a cylinder enters the water jacket causing sudden over-heating. Fitted a new thermostat and housing and installed K-Seal. Early indications look very favourable. I did not appreciate the significance of earlier back pressure in the cooling system. Since installing K-Seal, the back pressure appears to have gone completely and everything looks 'text book' so far! I would definitely recommend this product to anyone experiencing problems of the like kind. The alternative of skimming the head, new head gasket etc at around £500 is oceans more expensive and probably unjustifiable on economic grounds with an older car. Best regards, JTB

    Verified purchase: YesCondition: New

  • by pantg
    25 Aug, 2017

    Works EVERYTIME. Extremely easy to use.

    Have been using it for years now. In various types of engines, petrol and diesel, four cylinder and up to V8s. Works EVERYTIME as advertised as long as you follow the instructions. Extremely easy to use. Just pour in and drive. HIGHLY RECOMMENDED!!!!

    Verified purchase: YesCondition: New

  • by hirslawr
    21 Nov, 2019

    Mechanic approved

    I had a coolant loss on my mk5 golf with parts being £30 to replace and in an awkward spot. I gave this a go by filling the coolant up from empty to a quarter with water, adding the k seal and then some coolant. Within 10 minutes of the car being turned over from cold start to optimum temperature at 90 degrees the coolant dripping onto the floor from the oil cooler had ceased. Have been given the option to drain the coolant out with this k seal mixture due to it being thick like porridge or to keep it in. Highly recommend

    Verified purchase: YesCondition: New

  • by 077svetko74
    16 Jun, 2019

    Hard to believe!

    This product is hard to believe one! I personally am a very sceptical person, bit this one gladly proven me wrong! I had a leak of coolant either from the head gasket or the thermostat housing on ASTRA MK6 1.4. I had a quote of £247 to investigate and repair the leak, but this has nothing to loose, so I gave a try...and miracle... already a week the area is completely dry and the coolant level hasn't moved. Amazing! Will recommend it 100%!

    Verified purchase: YesCondition: New

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