Best Permatex Automotive Sealers in 2026

Non-Corrosive Formula - Ultra Black Maximum Oil Resistance Silicone Gasket Maker Is Sensor-safe; With A Non-Corrosive Formula Designed For Superior Adhesion To Oily Surfaces And Long Term Durability

Superior Resistance - Powertrain Fluids Including Engine Oil, Transmission Fluid, Gear Lube And Coolants To Keep Your Application Locked In Place To Create A Strong Long Lasting Seal

High Flexibility - Ultra Black Silicone Gasket Maker Retains High Flexibility And Oil Resistant Properties And Can Be Used To Replace Pre Cut Gaskets Or Be Used As A Gasket Maker Or Gasket Sealant

Lock It In - Permatex Threadlocker Blue All-purpose Formula Locks And Seals Bolts To Prevent Parts From Loosening Due To Vibration And Protects Threads From Corrosion

Medium Strength- Permatex Threadlocker Blue Is An Anaerobic Threadlocking Material, That Cures With Active Metals And The Absence Of Air To Form A Strong Bond That Resists Leakage, Shock And Vibration

Perfect For Most Jobs- Permatex Threadlocker Blue Is Ideal For All Nut And Bolt Applications 1/4" To 3/4" (6mm To 20mm) And Eliminates The Need To Stock Expensive Lock Nuts And Lock Washers

Economical general-purpose fitting sealant

Outperforms tapes and pipe dopes

Seals and resists pressure in air, oil, diesel fuel and hydraulic systems

Slow-drying, non-hardening brush-top sealant

Resists gasoline, oil and grease

Approved for use in aviation as well as automotive applications

Locks and seals threaded fittings

Resists leakage, vibration loosening, moisture, hydraulic fluids and diesel fuels

Lubricates threads for easy assembly and disassembly

Slow-drying, non-hardening brush-top sealant

Resists gasoline, oil and grease

Approved for use in aviation as well as automotive applications

Slow-drying, non-hardening brush-top sealant

Resists gasoline, oil and grease

Approved for use in aviation as well as automotive applications

These Are Complete Line Of Heavy-Duty Shop Products

These Products On Exceptionally High Order Fulfillment Rates, Breadth Of Available Products

Through Creativity, Productivity And Innovation - This Brand Continues To Develop The Finest Automotive Accessories

Designed for locking and sealing high pressure hydraulic and pneumatic systems

Reliably cures on "as received" fasteners

Controlled locking strength affords easy disassembly

Slow-drying, non-hardening sealant

Allows for easy disassembly if required

For use where sealing is more important than adhesion

Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 3.35 oz. Tube, 2 Pack

Designed specially for high-torque and high vibration applications

Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids

OEM specified, guaranteed not to leak

Slow-drying, non-hardening sealant approved for use in aviation as well as automotive applications

Designed for dressing/sealing cut gaskets on flexible/stamped parts

Allows for easy disassembly if required; resists gasoline, oil and grease

Slow-drying, non-hardening sealant approved for use in aviation as well as automotive applications

Designed for dressing/sealing cut gaskets on flexible/stamped parts

Allows for easy disassembly if required; resists gasoline, oil and grease

Resistant to gasoline and all other automotive fluids

Remains flexible even at high temperatures and withstands rapid temperature changes

Allows for repeated disassembly and resassembly in metal to metal applications

For use on rigid machined flanges with less than .015 inch gap

Original Equipment Manufacurer (OEM) approved, for use where 'anaerobic' gasket is specified

Eliminates preformed, pre-cut, paper, rubber and cork gaskets

Specially engineered for making or dressing gaskets in rigid assemblies

Fills gaps up to 0.020 inches

Permits clamping loads to be maintained for strong, leakproof assemblies

This latest elastomeric rubber gasket technology is blowout resistant and outperforms pre-cut gaskets

Protects against leaks caused by vibration and thermal expansion

Temperature range: -75F to 450F continuous, 500F intermittent

This latest elastomeric rubber gasket technology is blowout resistant and outperforms pre-cut gaskets

Protects against leaks caused by vibration and thermal expansion

Temperature range: -75F to 450F continuous, 500F intermittent

Formulated for hi-temp applications, or heavy-duty use

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

Locks and seals while preventing parts loosening due to vibration

Protects threads from corrosion

Ideal for all nut and bolt applications 1/4" to 3/4" (6mm to 20mm)

Sold in case packs of 12

Makes reliable 'formed-in-place' gaskets that resist cracking, shrinking and migrating

Coats pre-cut gaskets to increase reliability without fouling oxygen sensors