Best Sealant For Water Pump in 2022 [*Top Picks*]

Looking for the best sealant for water pump on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

3764 Reviews Scanned

  • Permatex 22071 Water Pump and Thermostat RTV Silicone Gasket, 0.5 oz., 0.5 Ounce , blue
    Bestseller #1
    Permatex 22071 Water Pump and Thermostat RTV Silicone Gasket, 0.5 oz., 0.5 Ounce , blue (386)
      Sensor-safe, noncorrosive RTV silicone gasket material formulated specifically for water pumps and thermostat housings Highest water-glycol resistance available in an RTV silicone Superior adhesion and flexibility; can be used as a gasket maker or dressing Temperature Range: -65°F to 500°F (-54°C to 260°C) intermittent Suggested Applications: Water pump and thermostat housings
  • J-B Weld 32507 Water Pump and Thermostat Housing RTV Silicone Gasket Maker and Sealant - .5 oz.
    Bestseller #1
    J-B Weld 32507 Water Pump and Thermostat Housing RTV Silicone Gasket Maker and Sealant - .5 oz. (386)
      WATER PUMP & THERMOSTAT HOUSING GASKET MAKER AND SEALANT: Is a specially designed RTV (Room Temperature Vulcanized) Silicone gasketing material for use in mechanical assemblies WHAT THE PROFESSIONALS USE: Builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments. Choose the product pros trust for your project EASY TO USE: Curing occurs with exposure to moisture in the air, forming a tough, waterproof, petroleum and weather resistant gasket and seal on most surfaces. This product is grey in color and sensor safe DEPENDABLE & VERSATILE: Perfect for use on automotive applications such as oil pans, valve covers, transmission pans, timing gear covers, and water pumps & thermostats DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond
  • Loctite 1158514 Head Bolt and Water Jacket Sealant, 50-milliliter Tube
    Bestseller #1
    Loctite 1158514 Head Bolt and Water Jacket Sealant, 50-milliliter Tube (2304)
      Lubricates fasteners during assembly Seals the gaps between the threads Eliminates corrosion, which can cause difficulties if future disassembly is required Prevents premature loosening Typical applications include headbolts, water pump bolts, thermostat housings, intake manifold bolts, temperature sensors
  • Ajusa 75000200 Ajusil Silicone Gasket Maker and Sealant for Water Pumps, Oil Pans, Timing and Valve Covers, and More - Oil, Gas, Water, Antifreeze, and Grease Resistant; -76F to +572F Temp Range
    Bestseller #1
    Ajusa 75000200 Ajusil Silicone Gasket Maker and Sealant for Water Pumps, Oil Pans, Timing and Valve Covers, and More - Oil, Gas, Water, Antifreeze, and Grease Resistant; -76F to +572F Temp Range (936)
      Ajusa's Ajusil Silicone Sealant is a high performance, quick curing gasket maker and sealer intended for use between surfaces when there is no formed gasket specified by the OE vehicle manufacturer Ajusil is produced using only the highest quality base materials and is resistant to oil, water, antifreeze, gas, and a wide range of greases Ajusil maintains a leak free seal in temperatures that range from -76 F(-60C) to +572F (+300C) Manufactured to strict engineering standards to ensure only the highest quality sealant Sold individually
  • Angelus Water and stain repellent 4oz Pump spray
    Bestseller #1
    Angelus Water and stain repellent 4oz Pump spray (4067)
      Invisible Protector 4oz Pump Spray Repels water and stains to help keep shoes dry and clean Can be used on shoes, hats, clothing, purses, bags, furniture
  • K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue
    Bestseller #1
    K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair, Blue (386)
      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
  • Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 3.35 oz. Tube
    Bestseller #1
    Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 3.35 oz. Tube (386)
      Sensor-safe, non-corrosive formula designed for superior adhesion to oily surfaces and long term durability Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants Temperature Range -65°F to 500°F (-54°C to 260°C) intermittent Suggested Applications: Valve covers, oil pans, intake manifold end seals, timing covers, and differential covers Fit Type: Universal
  • Permatex 82194 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker, 3.5 oz.
    Bestseller #1
    Permatex 82194 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker, 3.5 oz. (386)
      Designed specially for high-torque and high vibration applications Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids Low odor and non-corrosive formula Suggested Applications: Valve covers, oil pans, intake manifold end seals, timing covers, water pumps, thermostat housings
  • J-B Weld 8277 WaterWeld Epoxy Putty Stick - 2 oz.
    Bestseller #1
    J-B Weld 8277 WaterWeld Epoxy Putty Stick - 2 oz. (386)
      J-B WELD WATERWELD: A hand mixable two part epoxy putty stick, that can cure under water and is ideal for repairing plumbing, fuel tanks, tubs and showers, drains, pool and spa, boats & potable water tanks and more! J-B Weld WaterWeld is certified by the NSF and is safe for contact with potable water. CURE AND SET TIME: After kneading the two part formula together by hand, WaterWeld takes 25 minutes to set and cures in 1 hour. J-B Weld WaterWeld set and cure color is off white. PRODUCT FEATURES AND STRENGTH: J-B Weld WaterWeld has lap shear strength of 1300 PSI, can withstand continuous temperatures up to 300F (149C) and intermittent temperatures of 350F (176 degrees Celsius) and is chemical resistant against petroleum, hydraulic fluids and other chemicals when fully cured. SURFACE APPLICATIONS: Iron & Stainless Steel, Copper & Brass, Aluminum & Bronze, Fiberglass and Plastic & PVC. DO IT YOURSELF: Big or small, you can DIY it with J-B Weld. Our heavy duty epoxy and adhesives repair & restore it right the first time. J-B Weld delivers superior performance, quality, and results for the World’s Strongest Bond.
  • Permatex 80022 Sensor-Safe Blue RTV Silicone Gasket Maker, 3 oz. Tube
    Bestseller #1
    Permatex 80022 Sensor-Safe Blue RTV Silicone Gasket Maker, 3 oz. Tube (386)
      Effectively replaces almost any cut gasket Makes reliable 'formed-in-place' gaskets that resist cracking, shrinking and migrating Coats pre-cut gaskets to increase reliability without fouling oxygen sensors Temperature range of -65 degrees fahrenheit to 500 degrees fahrenheit intermittent Suggested Applications: Valve covers, oil pans, timing covers, water pumps, thermostat housings, transmission pans
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