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Steel Seal SSAMZ is a powerful, easy-to-use head gasket sealer designed for water-cooled engines. Compatible with all blue antifreeze types, it repairs blown or leaking head gaskets across a wide range of vehicles including cars, bikes, vans, trucks, and boats. This economical DIY solution saves time and money by eliminating the need for major engine teardown, backed by a strong customer rating and a 100% money-back guarantee.











| ASIN | B08FJGNQJS |
| Best Sellers Rank | 840 in Automotive ( See Top 100 in Automotive ) 6 in Vehicle Engine Care |
| Brand | Steel Seal |
| Customer Reviews | 3.8 3.8 out of 5 stars (1,116) |
| Date First Available | 10 Aug. 2020 |
| Guaranteed software updates until | unknown |
| Item Weight | 600 g |
| Item model number | SSAMZ |
| Manufacturer | Steel Seal Ltd |
| Manufacturer part number | SSAMZ |
| Model | SSAMZ |
| Product Dimensions | 8 x 4 x 20 cm; 600 g |
| Special Features | 100% Money Back Guarantee or free replacement |
A**R
Fantastic
Had a head gasket leaking badly, had a read about this product, followed instructions. It does exactly what it says on the tin (bottle). Saved me around £1500
D**T
Amazing
Been a Mechanic for 30 plus years and never thought this would work. My Honda has only 6 months of life left before the car is scraped and it developed a head gasket leak. Tested with a leak tester and the liquid turned yellow indicating a head gasket, also loosing water. Head set was £160 from factors so decided to give it a go. Flushed system and added as per instructions. Car has been fine since, that was 3 months ago. Car has done over 600 miles with no problems even on the hottest days on the M1 and M25. I don't think this would work for everyone as would depend on what state the head gasket was in but it is defiantly worth a try. Probably would eventually fail but a very good quick fix to get you out of trouble.
K**R
Rubbish
Absolute rubbish, it did nothing! Really upset at wasting money that I can't afford to! If I can zero stars I would!
G**R
SEEMS TO HAVE WORKED!!!!
Use this twice now - once on my Mazda Bongo Camper Van and then on my 1.6 Fiesta - both with head gaskets blowing. I got my local garage to drain the water and add this for me, it was a quick half hour job, and something I could have done myself if I had the time. The instructions say it is not necessary to drain the system but it's dependant on the anti-freeze, so to be on the safe side we did. And miraculously it appears to have fixed the problem! Been driving around now and probably done 800 miles in both vehicles without issue and for the sake of around £35 it's definitely worth giving it a go because it has worked for me - twice!
A**R
Steel seal saved me scrapping my car
I don’t normally write reviews but I have a Jaguar XF 3.0 my 2010 ,head gasket has gone £2000-£3000 to fix I was going to scrap car thought I’d give the steel seal a go nothing to lose except a nearly £80 for 2 bottles of steel seal because mines a 3 ltr I was very sceptical I followed instructions perfectly if you have pink or red antifreeze drain it out because it will not work put plain tap water in for stuff to work anyway followed instructions once you warmed engine up for about half switch off leave it to cool down over night for stuff to work can’t believe the steel seal has actually worked no more clouds of white smoke water not bubbling over pressure bottle heating red hot again as it should be just had problems getting air locks out but all back to normal I’m over the moon like I said I was very sceptical as I’ve worked with cars all my life but follow instructions to the letter don’t just pour it in flush your system first especially if you have long life antifreeze in usually pink because it won’t work once steel seal has done its job just drain and put your antifreeze in as normal thank you steel seal well worth the money
P**L
Be careful, this product is not a solution.
Yes. Steel Seal treatments often cause or trap air in your engine's cooling system, which can result in a lack of interior heating (blowing cold air) or a fluctuating temperature gauge. AI response. I followed the instructions to the tee; drain system, flush the system, refill with suggested water type, drain, plug, and refill coolant, whilst adding product. Bleed, and top up. Causes more issues than it fixes.
A**R
This stuff works!!
I was very sceptical of this product, but how wrong was I? I had the dreaded white gunk under the oil cap, loss of coolant, and white smoke from the exhaust. I decided to give this a go, and I was amazed to find that it works. I followed the instructions to the letter. I drained the coolant system, and refilled it with just plain water, then I followed the instructions on how to add the product. I then drained the water, and filled it with normal coolant. No more white gunk under the oil cap, no more white smoke from the exhaust, and I have not lost a drop of coolant. It remains to be seen how long this will last, but so far, I have driven 500 miles, And it is working. I would recommend anyone having the same issues as I had, to give it a try.
C**S
Exspensive, but worked out cheaper than stripping the engine
I believe this worked because we followed the instructions to the letter - emptying the coolant system of every last drop of water contaminated with antifreeze. We used this in a 1.4 MG ZR. It was losing water (about a pint every 6 weeks), but not into the oilways nor any visible leaks, nor was it letting by to the point its pressurising the coolant system. Suspected headgasket beginning to seperate (common on the K series) and was told to try this before tearing down the engine. Hasn't lost a drop for months now. How good this would work on a badly blown/cracked engine is anyones guess, and we only gave it a go as the motor is 20 years old and it wouldn't have been the end of the world if it destroyed the motor. But in this instance it saved me either a lot of time repairing, or money getting somone else to do it, and my son didn't lose the car for a few weeks whilst being repaired. In summary, a good product that worked for me. Would I use in a modern car with complex cooloing systems/turbos etc that are worth lots of money, probably not. But in something on its last legs, to get you home or out of a fix, then I would use this over other similar products.
O**M
Broken bottle leak
Leak bottle
M**.
It worked for me
I flushed my system of old coolant prior to use, including my heater core and refilled with regular tap water along with the Steel Seal. I followed the instructions on the back of the bottle and the leak was fixed. I left over night, drained the next day, and refilled with coolant. I don’t drive the vehicle daily so I’m hoping the Steel Seal will last. It did work for me and I like that it won’t clog your radiator or cooling system.
U**.
Works!
Worked very well, had driven another 18k kms till now wothout any issues!
C**N
No sirve de nada.tirar dinero
Este producto es.una estafa.no sirve para nada
H**N
Worth a try. Worked a treat.
Came highly recommended by a mechanic. Saved us an expensive fiddly hard to reach repair for a water leak. Hopefully does the trick. No complaints so far. Worth a try for the cost.
Trustpilot
2 weeks ago
2 weeks ago