20 Best Gm Head Gasket Sealer [2024]

Are you looking for the best Gm Head Gasket Sealer? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Gm Head Gasket Sealer.

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# Preview Product
1 ACDelco GM Original Equipment 10-108 Cooling System Sealing Tabs - 4 g (Pack of 5) ACDelco GM Original Equipment 10-108 Cooling System Sealing Tabs - 4 g (Pack of 5)
2 K-Seal ST3501 Pour and Go Permanent Head Gasket and Block Repair K-Seal ST3501 Pour and Go Permanent Head Gasket and Block Repair
3 Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe And... Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe And...
4 Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair
5 Blue Devil (00209-6PK) Pour-N-Go Head Gasket Sealer - 16 Ounce, (Pack of 6) Blue Devil (00209-6PK) Pour-N-Go Head Gasket Sealer - 16 Ounce, (Pack of 6)
6 K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz
7 K&W 401224 FiberLock Head Gasket & Block Repair - 32 Fl Oz K&W 401224 FiberLock Head Gasket & Block Repair - 32 Fl Oz
8 FEL-PRO HS 7733 PT-15 Head Gasket Set FEL-PRO HS 7733 PT-15 Head Gasket Set
9 Genuine GM Parts 12610046 Cylinder Head Gasket Genuine GM Parts 12610046 Cylinder Head Gasket
10 K&W 401612 Copper Coat Aerosol - 9 Wt Oz High Tack Sealant for Metallic, Hard Surfaces, Rubber... K&W 401612 Copper Coat Aerosol - 9 Wt Oz High Tack Sealant for Metallic, Hard Surfaces, Rubber...
11 Permatex 80062 High Tack Gasket Sealant, 4 oz. Permatex 80062 High Tack Gasket Sealant, 4 oz.
12 K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue
13 3M Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz... 3M Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz...
14 Henkel 908570 2.7 oz Tub Clear Silicone Waterproof Sealant, Single Tube Henkel 908570 2.7 oz Tub Clear Silicone Waterproof Sealant, Single Tube
15 Bar's Leaks Oil Seal Engine Oil Burning and Leak Repair Bar's Leaks Oil Seal Engine Oil Burning and Leak Repair
16 GOOACC 50Pcs Car Door Trim Panel Retainer Clips Bumper Fastener Rivet Clips for BMW 51411973500... GOOACC 50Pcs Car Door Trim Panel Retainer Clips Bumper Fastener Rivet Clips for BMW 51411973500...
17 Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz. Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz.
18 Loctite 209728 Heavy Duty Threadlocker, 0.2 oz, Blue 242, Single Thread Locking Adhesive, 0.2 Fl. Oz... Loctite 209728 Heavy Duty Threadlocker, 0.2 oz, Blue 242, Single Thread Locking Adhesive, 0.2 Fl....
19 Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz
20 Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1 Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1
Bestseller No. 1
ACDelco GM Original Equipment 10-108 Cooling System Sealing Tabs - 4 g (Pack of 5)
  • Engineered for use on a variety of engine components - effective on: oil pan, ladder frame, front and rear covers, t-joints, manifold corners, intake,...
  • Designed for quick and easy application, assembly may be filled with oil or coolant immediately after applying sealant and torqueing the bolts
  • High viscosity product that cures when exposed to air
Bestseller No. 2
K-Seal ST3501 Pour and Go Permanent Head Gasket and Block Repair
  • Just Pour & Go – No Need for Expensive Head Gasket Repairs - The Safe and Easy Way to Fix a Coolant Leak
  • Fixes blown head gaskets, cracked heads and blocks
  • A permanent repair, guaranteed for the lifetime of the engine
  • Scientifically Tested - K-Seal is the only product to have been successfully tested by the equipment at Brighton University and classes as meeting the...
  • If product did not seal head gasket leak, the system might be Over-pressurized, which causes back pressure and doesn't allow the product to reach the...
SaleBestseller No. 3
Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, Sensor Safe And...
  • Non-Corrosive Formula - Ultra Black Maximum Oil Resistance Silicone Gasket Maker Is Sensor-safe; With A Non-Corrosive Formula Designed For Superior...
  • Superior Resistance - Powertrain Fluids Including Engine Oil, Transmission Fluid, Gear Lube And Coolants To Keep Your Application Locked In Place To...
  • High Flexibility - Ultra Black Silicone Gasket Maker Retains High Flexibility And Oil Resistant Properties And Can Be Used To Replace Pre Cut Gaskets...
  • Long-lasting And Durable - Ultra Black Resists Aging, Weathering And Thermal Cycling Without Hardening, Shrinking Or Cracking. With A Temperature...
  • Suggested Applications: Valve Covers And Valve Guides, Oil Pans, Transmission Pans, Intake Manifold End Seals, Timing Gear Covers, And Differential...
Bestseller No. 4
Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair
  • Repairs Blown Head And Intake Gasket Leaks
  • Seals Cracked Cylinder Heads And Blocks
  • Stops Heater Core And Radiator Leaks
  • Fixes Leaking Freeze And Core Plugs
Bestseller No. 5
Blue Devil (00209-6PK) Pour-N-Go Head Gasket Sealer - 16 Ounce, (Pack of 6)
  • Good for Head Gaskets, Warped or Cracked Heads, Heater Cores, and Freeze Plugs
  • Contains no solid or particulate matter that can harm a vehicles engine
  • Gasket sealant is an alternative solution for costly and time consuming repairs
  • Safe and easy to use
  • Permanent Repair
SaleBestseller No. 6
K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz
  • Package length: 4.394 cm
  • Package width: 8.610 cm
  • Package height: 24.206 cm
  • Product Type: AUTO ACCESSORY
Bestseller No. 7
K&W 401224 FiberLock Head Gasket & Block Repair - 32 Fl Oz
  • Repairs head gaskets, engine blocks intake gaskets, cylinder heads, freeze plugs, heater cores and coolant leaks on cars, trucks, and buses
  • All metal parts, most plastics, and painted surfaces.
SaleBestseller No. 8
FEL-PRO HS 7733 PT-15 Head Gasket Set
  • PROPRIETARY COATING -- Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES -- Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal...
  • NO RETORQUE DESIGN -- Steel core helps eliminate the need for retorquing head bolts
  • STRONG AND DURABLE -- Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES -- Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
Bestseller No. 9
Genuine GM Parts 12610046 Cylinder Head Gasket
  • Multi-layer steel
  • Package Dimensions: 1.27 H x 56.642 L x 22.352 W (centimeters)
  • Package Weight: 0.949 pounds
  • Country of Origin : United States
Bestseller No. 10
K&W 401612 Copper Coat Aerosol - 9 Wt Oz High Tack Sealant for Metallic, Hard Surfaces, Rubber...
  • K&W SEALANTS & SOLUTIONS: From head gaskets and engine blocks to automatic transmissions and power steering, K&W products are made to stop leakage in...
  • AEROSOL GASKET SEALANT: Formulated to prevent compression loss on premium gaskets, Copper Coat goes on tacky to hold gaskets firmly in place. It...
  • APPLICATION RANGE: Copper Coat is ideal for use on automatic transmissions, cover plates, diesel heads, high compression engines, hi-speed turbine...
  • SAFE HANDLING: Highly flammable gasket sealing compound must be stored in a well-ventilated place away from direct heat. Wear appropriate personal...
  • PRODUCT SPECIFICATIONS: Copper Coat is available in 9 wt oz fill.
Bestseller No. 11
Permatex 80062 High Tack Gasket Sealant, 4 oz.
  • Reliable, fast-drying, all-purpose sealant dries to a highly tacky, non-brittle film; remains tacky indefinitely
  • Tacky paste for holding cut gaskets in place during assembly; helps seal cut gaskets
  • Resists gasoline, oil, antifreeze, axle lube, kerosene, propane and butane; sensor-safe
  • Temperature Range: -65°F to 500°F (-54°C to 260°C)
  • Suggested Applications: Valve covers, fuel pumps, carburetors, manifold gaskets; seals any rubber, cork, paper or composite gasket
SaleBestseller No. 12
K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue
  • Permanent Coolant Leak Repair - Just Shake, Pour And Go
  • Mixes With All Antifreeze
  • No Draining Or Flushing
  • Fixes Cracks And Leaks In Radiator, Head Gasket, Freeze Plugs, Cylinder Heads, Heater Core, Water Pump Casing And Engine Blocks
SaleBestseller No. 13
3M Urethane Seam Sealer, 08367, Black Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz...
  • SINGLE COMPONENT FORMULA: Adheres well to bare metal, primed metal and painted surfaces
  • MOISTURE CURING PROPERTY: Provides excellent performance in high heat and humidity environments
  • NON-SHRINKING, NON-CRACKING: Remains flexible and offers superior results to solvent-based sealers
  • QUICK PAINTABILITY: Allows painting after 30-45 minutes
  • THICK CONSISTENCY: Fills large voids and can be smoothed to a featheredge or brushed
Bestseller No. 14
Henkel 908570 2.7 oz Tub Clear Silicone Waterproof Sealant, Single Tube
  • Use for sealing or repairing door frames, windows, vents, toys, appliances, gaskets, weather-stripping, outside of fireplace doors, shoes and boots
  • Bonds ABS, glass, ceramic, porcelain, wood, aluminum, stainless steel, cultured marble, fiberglass, granite, vinyl tile, some rubbers and plastics
  • Aquarium safe
  • No cracking, peeling or shrinking
  • 2. 7 oz.
Bestseller No. 15
Bar's Leaks Oil Seal Engine Oil Burning and Leak Repair
  • This Premium Quality Synthetic Blend Works With All Types Of Motor/Engine Oil Including Regular Petroleum, High Mileage, Synthetic Blends And Fully...
  • Works In All Gasoline And Diesel Engines Including Turbocharged, Eco Boost, Hybrid And Even Racing Engines, Including 3, 4, 5, 6, 8 And 10 Cylinder...
  • Can Also Be Used In Heavy-Duty Applications As Well As Tractors, Boats, Rv'S, Motorcycles (Including Wet Clutch), Atv'S, Lawn Equipment
  • In Most Cases The Oil Leak Issue Will Be Repaired With A Single Dosage. However, For Best Results And To Prevent The Problems From Reoccurring, Use...
SaleBestseller No. 16
GOOACC 50Pcs Car Door Trim Panel Retainer Clips Bumper Fastener Rivet Clips for BMW 51411973500...
  • 【PERFECT REPLACEMENT FOR OEM】- the retainer clips are made of high quality plastic, have a good fit and are of equal quality to the originals
  • 【THE SAME SIZE & SHAPE AS ORIGINAL】- Top Head Diameter: 0.55 inch / 14mm,Bottom Head dia:18mm/0.7 inches ; Stem length: 15mm/0.6 inches & fits:...
  • 【UNIVERSAL FIT】- Replaces for BMW 51-41-1-973-500, 51411973500 ,These universal plastic clips will fit on most of auto parts with 9mm hole, hold...
  • 【VEHICLE FITMENT】- for BMW E34 525i 530i 535i 540i M5; E36 318i 318ic 318is 318ti 320i 323ic 323is 325i 325ic 325is 328i 328ic 328is M3; E38 740i...
  • 【PACKAGE INCLUDE】- 50(+/-2%) PCS Door Panel Clips
SaleBestseller No. 17
Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz.
  • Seals larger leaks seals
  • Repairs heater core leaks
  • Repairs freeze plug leaks
  • Repairs blown head gaskets
  • Repairs blocks
Bestseller No. 18
Loctite 209728 Heavy Duty Threadlocker, 0.2 oz, Blue 242, Single Thread Locking Adhesive, 0.2 Fl. Oz...
  • Lock and Seal Fasteners: Prevents loosening of metal fasteners caused by vibration on small motors, mowers, and power equipment
  • Prevents Rust and Corrosion: Protects from leaks, rusting, and corrosion and eliminates need to stock up on expensive lock nuts and washers
  • Removable: Can be removed with hand tools
  • Easy and Quick: Sets in 10 minutes and fully cures in 24 hours
  • For 6-19mm Fasteners: Medium-strength formula for use on threads for 6mm to 19mm nuts and bolts
SaleBestseller No. 19
Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz
  • Formulated For Hi-Temp Applications, Or Heavy-Duty Use
  • Replaces Almost Any Cut Gasket, And Coats Pre-Cut Gaskets To Increase Reliability
  • Makes Reliable 'Formed-In-Place' Gaskets That Resist Cracking, Shrinking And Migrating
  • Temperature Range Of -65F To 650F Intermittent
SaleBestseller No. 20
Permatex 81158 Black Silicone Adhesive Sealant, 3 oz. Tube, Pack of 1
  • Sensor-Safe, General Purpose Black Rtv Indoor/Outdoor Sealant
  • Seals, Bonds, Repairs, Mends And Secures Glass, Metal, Plastics, Fabric, Vinyl, Weather Stripping And Vinyl Tops
  • Waterproof And Flexible; Resists Water, Weather, And Vibration. Note: Surfaces Being Bonded May Need Clamping For 1 Hour Or Until Silicone Is Firm
  • Temperature Range: -75°F To 450°F (-59°C To 232°C)

Having trouble finding a great Gm Head Gasket Sealer?

This problem is well understood by us because we have gone through the entire Gm Head Gasket Sealer research process ourselves, which is why we have put together a comprehensive list of the best Gm Head Gasket Sealers available in the market today.

After hours of searching and using all the models on the market, we have found the best Gm Head Gasket Sealer for 2023. See our ranking below!

How Do You Buy The Best Gm Head Gasket Sealer?

Do you get stressed out thinking about shopping for a great Gm Head Gasket Sealer? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Gm Head Gasket Sealer, which is why we have assembled a comprehensive list of the greatest Gm Head Gasket Sealer available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Gm Head Gasket Sealer that you consider buying. Your questions might include the following:

  • Is it worth buying an Gm Head Gasket Sealer?
  • What benefits are there with buying an Gm Head Gasket Sealer?
  • What factors deserve consideration when shopping for an effective Gm Head Gasket Sealer?
  • Why is it crucial to invest in any Gm Head Gasket Sealer, much less the best one?
  • Which Gm Head Gasket Sealer are good in the current market?
  • Where can you find information like this about Gm Head Gasket Sealer?

We’re convinced that you likely have far more questions than just these regarding Gm Head Gasket Sealer, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Gm Head Gasket Sealer, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Gm Head Gasket Sealer. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Gm Head Gasket Sealer buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Gm Head Gasket Sealer currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Gm Head Gasket Sealer has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Gm Head Gasket Sealer?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Gm Head Gasket Sealer.
  5. Customer Ratings: Number ratings grade Gm Head Gasket Sealer objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Gm Head Gasket Sealer.
  7. Product Quality: You don’t always get what you pay for with an Gm Head Gasket Sealer, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Gm Head Gasket Sealer is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Gm Head Gasket Sealer information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Gm Head Gasket Sealer is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What are the top 10 best head gasket sealers?

A: Top 6 Best Head Gasket Sealers on the Market in 2023 Reviews Bar’s Leaks Block Seal Permanent Head Gasket Fix – Best Mid Range Head Gasket Sealer. … ATP AT-205 Re-Seal Stops Leaks – Best Rated Head Gasket Sealer. … K-Seal ST5501 Multi-Purpose One Step Permanent Coolant Leak Repair – Best Value Head Gasket Sealer for the Money. … Permatex 80064 High Tack Spray-A-Gasket Sealant – Best Budget Head Gasket Sealer. … More items…

Q: What is the best head gasket sealant?

A: – Best Overall – BlueDevil Head Gasket Sealer – Best Overall Runner-Up – Bar’s Leaks Permanent Head Gasket Fix – Best Value – Steel Seal Blown Head Gasket Sealer – Best Value Runner-Up – K-Seal Ultimate Permanent Head Gasket Repair – Best Budget – Permatex The Right Stuff Gasket Maker – Best Budget Runner-Up – K&W Head Gasket and Block Repair

Q: Which head gasket is best?

A: Copper makes a good head gasket material for these extreme applications because it can easily conform to surface irregularities on the head and block deck surfaces, and it conducts heat far better than steel. The head gaskets are usually nothing more than a flat sheet of copper.

Q: Should I use sealant on new head gaskets?

A: Head gasket repairs can be very costly, so sealant is worth trying . They can definitely help prolong the life of your car. After using a head gasket sealer, be sure to check back on your car after…