10 Best Engine Seal Blown Head Gaskets in The UK

Last updated on 05/07/2025
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Best Choice
1
9.8
Exceptional
Head Gasket Sealer for 4 Cylinder Engines - Steel Seal
Steel Seal
Head Gasket Sealer for 4 Cylinder Engines - Steel Seal
9.8
Exceptional
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Best Value
2
9.8
Exceptional
Save 14%
BLUE DEVIL HEAD GASKET SEALANT
BlueDevil Products
BLUE DEVIL HEAD GASKET SEALANT
14% OffFree Shipping
Main Highlights
  • HEAD GASKET SEALER, CRACKED BLOCK, WARPED HEAD
9.8
Exceptional
Save 14%
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3
9.7
Exceptional
MCP ENGINE SEAL,GASKETS MAKERS,STOP LEAKING,STOP SMOKING,WRAPPED BLOWN HEAD GASKETS
MCP
MCP ENGINE SEAL,GASKETS MAKERS,STOP LEAKING,STOP SMOKING,WRAPPED BLOWN HEAD GASKETS
Main Highlights
  • ENGINE SEAL 5 Liter (9 kg) ,STRONG LIQUID FOR 20 CAR 4 CYLINDERS
9.7
Exceptional
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4
9.6
Superb
"Stop leaks in their tracks with MCP Gasket Sealer! Engine Seal, fixes most leaks in all types of water cooled engine including cracked heads, head gasket failures, cracked blocks, radiators, 5000 ML
Generic
"Stop leaks in their tracks with MCP Gasket Sealer! Engine Seal, fixes most leaks in all types of water cooled engine including cracked heads, head gasket failures, cracked blocks, radiators, 5000 ML
Main Highlights
  • Heavy-Duty Engine Sealer – Trusted by Garages & Professionals Fixes Radiator & Water Pump Leaks Stops coolant loss and restores pressure system integrity. Seals Blown Head Gaskets & Warped Cylinder Heads Permanent seal in high-temperature zones. Repairs Cracked Engine Blocks Fills microcracks in cast iron or aluminum blocks. Works as a Gasket Maker Bonds and seals worn gaskets and mating surfaces. One Bottle Treats Up to 20 Cars (4-Cylinder) Industrial-grade 5000ML for bulk use—ideal for workshops.
9.6
Superb
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5
9.5
Superb
Rislone HEAVY DUTY BLOWN HEAD GASKET REPAIR
Rislone
Rislone HEAVY DUTY BLOWN HEAD GASKET REPAIR
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9.5
Superb
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6
9.5
Superb
HouYeen Engine Cylinder Head Gasket Bolts Set for O-pel Vaux-hall Agila Meriva A Astra G Astravan H Combo Corsa Corsavan C D Tigra Su-zuki Wagon R 1.2 1.4 2000-Onwards
HouYeen
HouYeen Engine Cylinder Head Gasket Bolts Set for O-pel Vaux-hall Agila Meriva A Astra G Astravan H Combo Corsa Corsavan C D Tigra Su-zuki Wagon R 1.2 1.4 2000-Onwards
Free Shipping
Why We Love It
  • Perfect fit for various models.
  • Includes essential gasket bolts.
  • Durable and reliable construction.
Main Highlights
  • Suitable for Opel Agila A H00 1.2 09.2000-12.2007, Astra G F35 T98 1.2 1.4 09.2000-12.2009, Astra H A04 L70 1.4 LPG 03.2004-Onwards, Combo 1.4 10.2004-Onwards, Corsa C X01 1.2 1.4 09.2000-12.2009, Corsa D S07 1.2 1.4 LPG 07.2006-08.2014, Meriva A X03 1.4 07.2004-05.2010, Tigra X04 1.4 06.2004-12.2010.
  • Suitable for Suzuki Wagon R MH21 MH22 1.2 06.2004-08.2005, Wagon R+ MA 1.2 01.2005-12.2008.
  • Suitable for Vauxhall Agila mk1 A H00 1.2 09.2000-03.2008, Astra mk5 H A04 1.4i 01.2004-11.2010, Astravan mk5 H A04 1.4i 03.2005-Onwards, Combo mk2 C F25 1.4i 01.2004-11.2011, Corsa mk2 C X01 1.2 1.4 09.2000-10.2006, Corsa mk3 D S07 1.2 1.4 LPG 07.2006-08.2014, Corsavan mk2 C X01 1.2 1.4 09.2000-11.2006, Corsavan mk3 D S07 07.2009-Onwards, Meriva A X03 1.4 01.2003-06.2010, Tigra X04 1.4 06.2004-08.2009.
  • Box Contains: 1x Engine Cylinder Head Gasket Bolts Set
9.5
Superb
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7
9.3
Superb
X AUTOHAUX Cylinder Engine Full Head Gasket Set Metal Rubber 1 Set
X AUTOHAUX
X AUTOHAUX Cylinder Engine Full Head Gasket Set Metal Rubber 1 Set
Why We Love It
  • Fits all vehicle types.
  • Easy installation process.
  • Durable and scratch-resistant material.
Main Highlights
  • [Universal] Suitable for all vehicle types
  • [Feature] Easy to install, direct replacement for the old or broken one
  • [Material] Made of quality material, which is wearable, durable, and scratch-resistant
  • [Installation] Direct replace and install without special tools, convenient to use
  • [Package] 1 x Universal Cylinder Engine Full Head Gasket Set with Head Bolt Kit
9.3
Superb
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8
9.2
Superb
Thermalweld Head Gasket Repair Kit – Two-Part System with Catalyst & Sealant – Two Treatments Per Kit, Twice the Strength, Twice the value
Thermalweld
Thermalweld Head Gasket Repair Kit – Two-Part System with Catalyst & Sealant – Two Treatments Per Kit, Twice the Strength, Twice the value
Main Highlights
  • <ul> <li><strong>HEAD GASKET REPAIR:</strong> Two-part kit seals blown head gaskets, coolant leaks, and overheating without engine dismantling.</li> <li><strong>WORKS WITH ANTIFREEZE:</strong> No need to flush. Compatible with red, blue, and OAT antifreeze in all vehicles.</li> <li><strong>NO CLOGGING:</strong> Safe for heater matrix, sensors, and narrow cooling channels.</li> <li><strong>MONEY-BACK GUARANTEE:</strong> Covered if our tech team confirms a head gasket failure and it doesn’t work.</li> <li><strong>PETROL & DIESEL SAFE:</strong> Use in cars, vans, turbo engines, and light commercial vehicles.</li> </ul>
9.2
Superb
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9
9.2
Superb
Save 13%
Steel Seal SSAMZ Head Gasket Repair
Steel Seal
Steel Seal SSAMZ Head Gasket Repair
13% Off
Why We Love It
  • Versatile for all vehicles.
  • Efficient in gasket failures.
  • Compatible with all antifreeze.
Main Highlights
  • Steel Seal will work on all vehicles: cars, bikes, vans, pickups, 4x4s, tractors, lorries and boats.
  • Blown Head Gaskets
  • All Types of Head Gasket Failure
  • Warped Cylinder Head
  • Now compatible with all types of antifreeze and any vehicle with a water cooled system
9.2
Superb
Save 13%
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10
9.0
Superb
Save 7%
K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml
K-Seal
K-Seal Ultimate Head Gasket & Block Repair | Seal & Fix Coolant Leaks, 472ml
7% OffFree Shipping
Why We Love It
  • Provides permanent solutions for leaks.
  • Suits various vehicle engine sizes.
  • Ensures long-lasting repair.
Main Highlights
  • PERMANENT REPAIR: Our advanced formula with 33% more sealing power than regular K-Seal, ensures a long-lasting, permanent seal for challenging leaks. Permanently fixes blown head gaskets, cracked heads & porous engine blocks in cars.
  • STOP HOLES & CRACKS: With just 1 step our unique formula with ceramic micro-fibres, will permanently seal leaks up to 0.64mm in size, without any adverse impact on the engine.
  • EASY TO USE: It requires no draining or flushing; just shake, pour & go - shake the bottle, add the fluid wherever you top up your coolant & run your engine as normal. For larger engines (HGV's / Plant) use 2 bottles.
  • VERSATILE COMPATIBILITY: Works with all types of coolant & compatible with a wide range of vehicle engine materials & heavy duty machinery. A permanent fix for the lifetime of the engine.
  • PROFESSIONAL-GRADE RELIABILITY: Trusted by mechanics, our sealer treatment delivers a durable & long-lasting repair. A cost-effective head gasket & block repair, enhancing the performance of your vehicle’s cooling system. We've sold millions worldwide & are independently verified by university testing to meet ASTM D3147.
9.0
Superb
Save 7%
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We scanned 1849 products

We reviewed these offers relevant to the Engine Seal Blown Head Gaskets within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Steel Seal, BlueDevil Products, MCP, Generic, Rislone, HouYeen, X AUTOHAUX, Thermalweld, K-Seal, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Engine Seal Blown Head Gaskets in the market, we considered we took a deep dive into 9246 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

  • The clear winner of our analysis is Head Gasket Sealer for 4 Cylinder Engines - Steel Seal. We love many things about this product by Steel Seal.
  • The best value product for most shoppers and where user satisfaction is continuously the highest is BLUE DEVIL HEAD GASKET SEALANT by BlueDevil Products based on online reviews by bloggers, experts and online shoppers.
  • The biggest bargain at the moment for Engine Seal Blown Head Gaskets and the best cost-to-value ratio is BLUE DEVIL HEAD GASKET SEALANTat BlueDevil Products with a 14% discount.
  • Our list of the best Engine Seal Blown Head Gaskets is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.