BlueDevil

BlueDevil Automotive Sealants

  • BlueDevil® - Rear Main Seal, 8 oz
    BlueDevil®Rear Main Seal, 8 oz (00234)
    1
    # mpn4494301641
    Rear Main Seal, 8 oz by BlueDevil®. BlueDevil Rear Main Sealer permanently stops rear main seal leaks. Just add to the engine oil to restore and seal gaskets. BlueDevil Rear Main Sealer is a great repair for timing cover leaks.
    Guaranteed to Permanently Stop Rear Main Seal LeaksRestores Dried, Cracked, and Shrunken Rubber Seals
    $14.01
  • BlueDevil® - Pour-N-Go™ Head Gasket Sealer
    BlueDevil®Pour-N-Go™ Head Gasket Sealer (00209)
    0
    # mpn4841624066
    Pour-N-Go™ Head Gasket Sealer by BlueDevil®. A leaking head gasket is bad news for your car and can be costly if it is not taken care of right away. The 16 oz. BlueDevil Pour-N-Go BlueDevil Head Gasket Sealer is formulated for the...
    Easy to use Pour-N-Go! Do-it-yourself formulaPermanent leak repair and sealant for head gaskets, heater cores, freeze plugs, and cooling system leaks
    $37.11
  • BlueDevil® - Engine Cooling System Flush, 32 oz
    BlueDevil®Engine Cooling System Flush, 32 oz (00204)
    0
    # mpn4494301643
    Universal Engine Cooling System Flush, 32 oz by BlueDevil®. BlueDevil Radiator Flush restores efficiency to vehicles by helping remove grease, rust, grime or any other build up that occurs during normal vehicle use. Specially formulated...
    Extends Vehicle LifeAdvanced Cleaning Power
    $8.27
  • BlueDevil® - Oil Stop Leak, 8 oz
    BlueDevil®Oil Stop Leak, 8 oz (49499)
    0
    # mpn4842065311
    Oil Stop Leak, 8 oz by BlueDevil®.
    $20.20
  • BlueDevil® - Head Gasket Sealer
    BlueDevil®Head Gasket Sealer (38386)
    0
    # mpn4841624100
    Head Gasket Sealer by BlueDevil®.
    $59.89
  • BlueDevil® - Transmission Sealer, 16 oz
    BlueDevil®Transmission Sealer, 16 oz (00236)
    0
    # mpn4851303554
    Transmission Sealer, 16 oz by BlueDevil®. Volume: 16 oz. Quantity: 1 Tube. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $13.49
  • BlueDevil® - 8 oz Power Steering Stop Leak
    BlueDevil®8 oz Power Steering Stop Leak (00232)
    0
    # mpn4494301646
    Universal 8 oz. Power Steering Stop Leak (00232) by BlueDevil®. BlueDevil Power Steering Stop Leak permanently seals leaks in power steering, differentials, and rack and pinion steering. It's safe and easy to use and guaranteed to work....
    Guaranteed Permanent Seal for Power SteeringRestores Dried, Cracked, and Shrunken Rubber Seals
    $14.11
  • BlueDevil® - Red Angel™ A/C System Sealant, 4.5 oz
    BlueDevil®Red Angel™ A/C System Sealant, 4.5 oz (00222)
    0
    # mpn4846525279
    Red Angel™ A/C System Sealant, 4.5 oz by BlueDevil®. Volume: 4.5 oz. Red Angel A/C Stop Leak repairs common leak points in automotive A/C systems. Activated at the leak point only, Red Angel will not crystallize with existing oxygen...
    Repairs leak points in condensers, evaporators, connection hoses, gaskets, and o-ringsContains no solid or particulate matter that will clog the A/C system or harm the recovery unit
    $43.73
  • BlueDevil® - Hydraulic Stop Leak
    BlueDevil®Hydraulic Stop Leak (00238)
    0
    # mpn4872851603
    Universal Hydraulic Stop Leak by BlueDevil®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $61.67


Since 1997, BlueDevil Products has been providing quality sealants, cleaners, and other automotive fluids to the aftermarket industry. Whether you have a blown head gasket, leaks in power steering, or a cracked cylinder head, in the company's product line, you're sure to find the right sealer to stop leaks permanently. These sealers are easy-to-use, affordable alternatives to time-consuming and costly repairs. They're also safe to use, being free from solid or particulate matter that could clog or damage the system.

The BlueDevil head gasket sealer is a mainstay in the company's product range. It is formulated to permanently repair leaks in blown head gaskets, warped cylinder heads, freeze plugs, and heater cores. This sealer safely works in both gasoline and diesel engines and bonds to metal surfaces including aluminum, cast, and alloy ones as well as plastic. It is an efficient solution that will save you time and money on repairs. To stop leaks in the engine cooling system, there is the BlueDevil radiator and block sealer. Its formulation was proven to meet ASTM D6107, D3147, and D1181 specifications, which means it's an effective stop-leak additive that does not affect heat transfer properties and fluid flow.

Address transmission fluid leaks before they cause serious damage. The BlueDevil transmission sealer penetrates into worn-out, cracked, hard, and shrunken seals and restores their size and properties as you drive. Like other sealants, this one offers a permanent leak-stopping solution while being safe to use. If you need to repair leaks in other systems or do scheduled maintenance, there are the right Blue Devil automotive products for many kinds of work, including hydraulic system sealers, oil stop leak products, power steering fluids, radiator flush, and more.

BlueDevil Reviews

2 reviews
5 of 5
Works Great. Had to Drive It for a Couple of Hundred Miles but Once I Checked Had No Leak at All
BlueDevil® - Rear Main Seal, 8 oz
Works great, had to drive for a couple hundred miles, was going from ft worth Tx to Houston Tx any way to see my grandkids check following day, not one drop worked great.
Posted by Customer / March 14, 20212005 Ford F-350
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