TenBest

10 Best Head Gasket Sealers

Updated February 2025

Top Choice

K&W 401232 Permanent Head Gasket and Block Repair, 32 oz

K&w

9.6

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BlueDevil Head Gasket Sealer (38386)

BlueDevil Products

9.4

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Steel Seal Blown Head Gasket Fix Repair Sealer - 6 Cylinder

Steel Seal

9.1

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Steel Seal Blown Head Gasket Fix Repair Sealer - 8 Cylinder

Steel Seal

8.8

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Blue Magic 1008 Liquid Glass Metallic Seal-Up - 11.4 oz

Blue Magic

8.6

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HAPCO - Cooling System Sealer - HEAD GASKET, BLOCK AND RADIATOR SEALER!

8.3

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MLS Head Gasket Set Sealer Bolts For 94-97 Honda Isuzu 2.2L I4 Engine

7.9

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Head Gasket Set Bolts Lifters Sealer For 88-00 Mitsubishi Chrysler Dodge 3.0L V6

7.6

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Head Gasket Set Bolts Lifters Repair Sealer For 98-00 Chrysler Dodge 2.7L V6

7.5

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Head Gasket Set Lifters Kit Manifold Sealer MLS For 01-10 Chrysler Dodge 2.7L

7.2

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