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10 Best bars leaks os 1 seals of 2026

Save up to 48% off
  • Best Choice

    1

    Bar's Leaks OS-1 Oil Seal Engine Oil Burning/Leak Repair, 16.9oz, 1-Pack
    Bar's Leaks
    9.8
    Exceptional

    Bar's Leaks OS-1 Oil Seal Engine Oil Burning/Leak Repair, 16.9oz, 1-Pack

    • manufacturer part number: OS-1
    • country of origin: USA
    • item weight: 1.1 pounds
    • customer reviews:4.1 4.1 out of 5 stars 2,925 ratings 4.1 out of 5 stars
    • package dimensions: 8.25 x 3.5 x 2 inches
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  • Value for Money

    2

    Bar's Leaks HG-1 HEAD SEAL Blown Head Gasket Repair
    Bar's Leaks
    9.6
    Exceptional

    Bar's Leaks HG-1 HEAD SEAL Blown Head Gasket Repair

    • Application Type:No flushing, draining, or thermostat removal required
    • Fiber Reinforcement:Carbon fibers
    • Compatibility:All 50-50 mix coolant types and water
    • Engine Compatibility:Gasoline and diesel
    • Product Type:Head Gasket Repair

  • 3

    Bar's Leaks OS-1-4PK Oil Seal Engine Oil Burning/Leak Repair, 4-Pack
    Bar's Leaks
    9.4
    Excellent

    Bar's Leaks OS-1-4PK Oil Seal Engine Oil Burning/Leak Repair, 4-Pack

    • manufacturer part number: OS-1-4PK
    • country of origin: USA
    • item weight: 4.9 pounds
    • customer reviews:4.1 4.1 out of 5 stars 2,925 ratings 4.1 out of 5 stars
    • package dimensions: 9.06 x 7.68 x 4.49 inches

  • 4

    Bar's Leaks 1334-5PK One Seal Stop Leak - 11 oz, (Pack of 5)
    Bar's Leaks
    9.2
    Excellent

    Bar's Leaks 1334-5PK One Seal Stop Leak - 11 oz, (Pack of 5)

    • manufacturer part number: 1334-5PK
    • country of origin: USA
    • item weight: 11 ounces
    • customer reviews:4.1 4.1 out of 5 stars 78 ratings 4.1 out of 5 stars
    • package dimensions:N/A

  • 5

    Bar's Leaks Rear Main Seal Repair, 16.9 oz
    Bar's Leaks
    8.9
    Very Good

    Bar's Leaks Rear Main Seal Repair, 16.9 oz

    • product dimensions: 1.9 x 3.4 x 7.7 inches
    • item weight: 1.1 pounds
    • item model number: 1040
    • best sellers rank: 3,808 in Automotive See Top 100 in Automotive 10 in Fuel Additives
    • manufacturer: Bar's Leaks
  • See Today’s Deals & Prices

  • 6

    Bar's Leaks H60-1 Hydraulic Seal Stop Leak & Conditioner, 128. Fluid_Ounces
    Bar's Leaks
    8.6
    Very Good

    Bar's Leaks H60-1 Hydraulic Seal Stop Leak & Conditioner, 128. Fluid_Ounces

    48% Off
    • product dimensions: 7.1 x 11.6 x 4.4 inches
    • global trade identification number: 00046087002070
    • recommended uses for product: Industrial, Mechanical, Marine
    • package information: Bottle
    • item weight: 7.63 pounds

  • 7

    Bar's Leaks H60-1-4PK Hydraulic Seal Stop Leak & Conditioner, 1 Gallon, 4 Pack
    Bar's Leaks
    8.5
    Good

    Bar's Leaks H60-1-4PK Hydraulic Seal Stop Leak & Conditioner, 1 Gallon, 4 Pack

  • 8

    Bar's Leaks 1100 Head Gasket Repair Sealant, 20 oz
    Bar's Leaks
    8.2
    Good

    Bar's Leaks 1100 Head Gasket Repair Sealant, 20 oz

    • product dimensions:1.8 x 3.4 x 8.3 inches
    • color:No Color
    • item weight:1.41 pounds
    • item model number:1100
    • best sellers rank: 65,764 in Automotive See Top 100 in Automotive 65 in Gasket Sealers 1,859 in Oils & Fluids

  • 9

    Bar's Leak HG-1-4PK HEAD SEAL Blown Head Gasket Repair - 33.8 oz, (Pack of 4)
    Bar's Leaks
    8.0
    Good

    Bar's Leak HG-1-4PK HEAD SEAL Blown Head Gasket Repair - 33.8 oz, (Pack of 4)

  • 10

    Bar's Leaks 1109 Liquid Copper Block Seal, 18 oz, 1-Pack
    Bar's Leaks
    7.9
    Good

    Bar's Leaks 1109 Liquid Copper Block Seal, 18 oz, 1-Pack

    • product dimensions: 7.5 x 2.6 x 2.6 inches
    • item weight: 1.12 pounds
    • item model number: 1109
    • best sellers rank: 14,775 in Automotive See Top 100 in Automotive 3 in Radiator Sealers
    • manufacturer: Bar's Leaks