Best Head Gasket Sealer For Northstar Engine: image
Editor's Pick

Permatex Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker is a fast-curing, non-corrosive silicone gasket maker that offers superior performance and long-term durability. The gasket’s application range includes oil pans, timing covers, and differential covers. It has been tested in extreme temperatures from -65°C to 260°C. The product is manufactured using high-tech materials like polyethylene and polypropylene. It is also suitable for automotive applications.

Best Value

BlueDevil Head Gasket Sealer is formulated for the Do-it-Yourself customer who has limited time or is not mechanically inclined. The 16-ounce bottle contains no solid or Particulate Matter that can Harm A Vehicle’s Engine. It is intended to be used in conjunction with other products, such as oil coolers and air conditioners. Notably, blueDevil was launched in 2014 by Indian engine manufacturer Volvo. The product is available in four sizes: V6 and V8.

Honorable Mention

K-Seal 8 Fluid Ounce Bottle Is Effective To 20 Quarts Cooling Capacity. The bottle has been formulated with anti-freeze and anti-corrosion additives to prevent leaks and cracks in radiator, head gasket, water pump casing, and engine blocks. It can also be used as a replacement for oil coolers. Notably, the product was launched in March 2017. The bottle is made from recycled plastic and contains no harmful chemicals.

Best Head Gasket Sealer For Northstar Engine

Top 10 Best Head Gasket Sealer For Northstar Engine

1

AT-205 Seal Leak Stopper 8 Ounce – 2 Pack

1,030 ratings | 4 offers | 1,030 Reviews
Price: $42.2$52.49
Why we chose it
    AT-205 Seal Leak Stopper 8 Ounce - 2 Pack: image
    88%
    customers recommend this product
    4.4/ 5
    Easy to use4.9
    Mileage4.3
    Value for money4.2
    2

    Bar’s Leak HG-1 HEAD SEAL Blown Head Gasket Repair

    2,678 ratings | 2 offers | 2,678 Reviews
    Price: $28.58$31.55
    Why we chose it
    • Seals Cracked Cylinder Heads And Blocks
    • Stops Heater Core And Radiator Leaks
    • Repairs Blown Head And Intake Gasket Leaks
    • Fixes Leaking Freeze And Core Plugs
    Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair: image
    82%
    customers recommend this product
    4.1/ 5
    Easy to use4.3
    Value for money3.7
    Mileage3.5
    3
    Why we chose it
    • Mixes With All Antifreeze
    • No Draining Or Flushing
    • Permanent Coolant Leak Repair – Just Shake, Pour And Go
    • Fixes Cracks And Leaks In Radiator, Head Gasket, Freeze Plugs, Cylinder Heads, Heater Core, Water Pump Casing And Engine Blocks
    K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue: image
    84%
    customers recommend this product
    4.2/ 5
    Easy to use4.6
    Value for money4.3
    Mileage3.9
    Longevity3.8
    4
    Why we chose it
    • Package Dimensions: 15.24 L X 20.828 H X 21.59 W (Centimeters)
    • Package Weight: 4.195 Kilograms
    • Permanent Repair For Head Gaskets, Heater Cores, Freeze Plugs, And Cooling System Leaks
    • Contains No Solid Or Particulate Matter That Can Harm A Vehicles Engine
    Blue Devil (00209-6PK) Pour-N-Go Head Gasket Sealer - 16 Ounce, (Pack of 6): image
    60%
    customers recommend this product
    3/ 5
    5
    Why we chose it
    • Package height: 24.206 cm
    • Product Type: AUTO ACCESSORY
    • Package width: 8.610 cm
    • Package length: 4.394 cm
    K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz: image
    80%
    customers recommend this product
    4/ 5
    Mileage3.6
    Value for money3.3
    Easy to use3
    6

    PERMATEX Copper Spray-A-Gasket High-Temp Sealant

    7 ratings | 1 offers | 7 Reviews
    Price starts from: $19.13
    Why we chose it
      PERMATEX Copper Spray-A-Gasket High-Temp Sealant: image
      100%
      customers recommend this product
      5/ 5
      7
      Why we chose it
      • 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 aging vehicles. Our sealants provide an effective alternative to costly repairs and parts replacements.
      • AEROSOL GASKET SEALANT: Formulated to prevent compression loss on premium gaskets, Copper Coat goes on tacky to hold gaskets firmly in place. It contains copper for long lasting and high temperature applications.
      • SAFE HANDLING: Highly flammable gasket sealing compound must be stored in a well-ventilated place away from direct heat. Wear appropriate personal protective equipment such as safety glasses and gloves.
      • PRODUCT SPECIFICATIONS: Copper Coat is available in 9 wt oz fill.
      • APPLICATION RANGE: Copper Coat is ideal for use on automatic transmissions, cover plates, diesel heads, high compression engines, hi-speed turbine superchargers, and hydraulic pumps.
      K&W 401612 Copper Coat Aerosol - 9 Wt Oz High Tack Sealant for Metallic, Hard Surfaces, Rubber Gaskets | Automotive Adhesives & Sealants: image
      92%
      customers recommend this product
      4.6/ 5
      Adhesion4.8
      Value for money4.8
      Top Pick
      8
      Why we chose it
      • Temperature Range -65 F to 500 F (-54 C to 260 C) intermittent
      • Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants
      • Sensor-safe, non-corrosive formula designed for superior adhesion to oily surfaces and long term durability
      • Fit Type: Universal
      • Suggested Applications: Valve covers, oil pans, intake manifold end seals, timing covers, and differential covers
      Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 3.35 oz. Tube: image
      94%
      customers recommend this product
      4.7/ 5
      Adhesion4.7
      Easy to use4.6
      Value for money4.6
      Leak proof4.6
      Easy to remove4.1
      9

      Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz

      4,469 ratings | 58 offers | 4,469 Reviews
      Price: $5.39$21.99
      Why we chose it
      • 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
      • Formulated For Hi-Temp Applications, Or Heavy-Duty Use
      Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz: image
      94%
      customers recommend this product
      4.7/ 5
      Adhesion4.8
      Easy to use4.7
      Value for money4.7
      10

      BlueDevil Pour-N-Go Head Gasket Sealer

      848 ratings | 9 offers | 848 Reviews
      Price: $29.97$40.91
      Why we chose it
      • Easy to Use Pour-n-go
      • Used for 4 cylinder and v-6 engines
      • Permanently Seals Blown, Cracked or Leaking Head Gaskets
      • Do-It-Yourself Formula
      BlueDevil Pour-N-Go Head Gasket Sealer: image
      82%
      customers recommend this product
      4.1/ 5
      Easy to use4
      Value for money3.5
      Mileage3.1
      Top Pick
      Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 3.35 oz. Tube
      Permatex Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker is a fast-curing, sensor safe, low odor, non-corrosive formula that retains high flexibility, and oil resistance properties through use of a patented adhesion system. This gasket maker meets performance specs of OE silicone gaskets and is OEM specified. Temperature range -65 degrees fahrenheit to 500 degrees fahrenheit intermittent; resists auto and shop fluids and vibration. These gasket makers offer significant performance advantages, excellent torque retention and hi-temp, sensor-safe properties. engine sensors and new component materials such as aluminum, bi-metal alloys and high-tech plastics, have created the need for superior RTV silicone gasket makers in both OEM production and service applications. Permatex always has the right gasket maker for your application.
      Ranking the Brands
      ATP: 10.00%
      Bar’s Leaks: 10.00%
      K-Seal: 10.00%
      Blue Devil: 10.00%
      CRC: 20.00%
      Permatex: 30.00%
      BlueDevil Products: 10.00%

      Comparison Table

      Сomparison: AT-205 Seal Leak Stopper 8 Ounce - 2 Pack: imageСomparison: Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair: imageСomparison: K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue: imageСomparison: Blue Devil (00209-6PK) Pour-N-Go Head Gasket Sealer - 16 Ounce, (Pack of 6): imageСomparison: K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology - 32 Fl Oz: imageСomparison: PERMATEX Copper Spray-A-Gasket High-Temp Sealant: imageСomparison: K&W 401612 Copper Coat Aerosol - 9 Wt Oz High Tack Sealant for Metallic, Hard Surfaces, Rubber Gaskets | Automotive Adhesives & Sealants: imageСomparison: Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 3.35 oz. Tube: imageСomparison: Permatex 81160 High-Temp Red RTV Silicone Gasket, 3 oz: imageСomparison: BlueDevil Pour-N-Go Head Gasket Sealer: image
      AT-205 Seal Leak Stopper 8 Ounce – 2 PackBar’s Leak HG-1 HEAD SEAL Blown Head Gasket RepairK-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, BlueBlue Devil (00209-6PK) Pour-N-Go Head Gasket Sealer – 16 Ounce, (Pack of 6)K&W 401232 Permanent Head Gasket & Block Repair with Nanotechnology – 32 Fl OzPERMATEX Copper Spray-A-Gasket High-Temp SealantK&W 401612 Copper Coat Aerosol – 9 Wt Oz High Tack Sealant for Metallic, Hard Surfaces, Rubber Gaskets | Automotive Adhesives & SealantsPermatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 3.35 oz. TubePermatex 81160 High-Temp Red RTV Silicone Gasket, 3 ozBlueDevil Pour-N-Go Head Gasket Sealer
      BrandATPBar’s LeaksK-SealBlue DevilPermatexCRCPermatexPermatexBlueDevil Products
      Item Weight10.6 ounces2.65 pounds9.6 ounces1 pounds1.67 Pounds1.6 ounces3.2 ounces1 pounds
      Is Discontinued By ManufacturerNoNoYesNoNoNo
      ManufacturerBar’s LeaksK-SealBlue DevilCRCCRCPermatexPermatexBlueDevil Products
      Product Dimensions9.78 x 3.22 x 3.22 inches7.87 x 2 x 6 inches1.38 x 3.81 x 8 inches1.25 x 3.81 x 8 inches2.75 x 2.75 x 5.5 inches
      SizePack of 132 Fluid Ounce9 OuncePack of 1Pack of 1

      Products with 5 star rating

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