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Automotive Sealants

45 automotive sealants from Permatex, Loctite, Gneoco and more.

Recommended Automotive Sealants

1DFAUL

Gasket, Red

+Silicone gasket maker for forming seals on automotive parts
+Resists high temperatures according to the product name
+Resists oil according to the product name
−Red color is only visible once applied, unlike clear sealant
No price recorded yet.
Gneoco

Thread Lock, Blue

+Two-pack gives two bottles of threadlocker
+Medium strength suits nuts, bolts and fasteners
+Each bottle holds 6ml of threadlocker
−Small 6ml bottles may run out on larger jobs
No price recorded yet.
A-Premium

Gasket, Black

+Silicone gasket maker for automotive sealing tasks
+Resists high temperatures according to the product name
+High flex and oil resistance according to the product name
−3 oz tube is small for large gasket jobs
No price recorded yet.
Epasun

Thread Lock

+Two-pack includes blue and red threadlocker
+Blue is a medium strength threadlocker
+Red is a strong threadlocker according to the product name
−Red strong threadlocker is hard to remove once cured
No price recorded yet.
Realth

Thread Lock, Red

+Four-pack gives four containers in one purchase
+Each container holds 10 ml of thread locker
+Thread lock type suits securing nuts and bolts
−Small 10 ml volume per container runs out quickly on larger jobs
No price recorded yet.
Visbella

Radiator, Red

+Silicone RTV formula for high-temperature gasket sealing
+Oil resistant and waterproof for engine seal applications
+Quick dry liquid for faster gasket assembly
−Liquid form requires applying to clean, dry surfaces first
No price recorded yet.
Loctite

Thread Lock, Green

+Penetrating formula for seized or rusted fasteners
+Green wicking threadlocker for prevailing fasteners
+6 ml tube for small repair jobs
No price recorded yet.
Nasca

Gray

+Listed to withstand 600°F high temperature
+Oil resistant silicone formula for engine use
+Sensor safe formula listed for engine applications
No price recorded yet.
Realth

Gasket, Black

+Black RTV silicone gasket sealant for automotive use
+Single 3.53 oz tube for gasket sealing jobs
+Silicone formula for gasket sealing
−Only one tube included in the pack
No price recorded yet.
Eskonke

Thread Lock

+Red thread locker with high strength permanent locking
+1.69 fl oz bottle holds a usable amount of threadlocker
+Suits nuts, bolts and fasteners according to the product name
−Permanent locking makes future disassembly difficult
No price recorded yet.
J-B Weld

Gasket, Red

+High temperature RTV silicone for demanding engine areas
+Larger 10.3 oz tube for bigger gasket jobs
+Red silicone gasket maker for automotive sealing
−Larger tube size is less practical for very small repairs
No price recorded yet.
Kraken Bond

Gasket, Red

+Red RTV silicone gasket maker for automotive use
+Silicone material for sealing gasket surfaces
+Single 10.1 fl oz container
−Only a single container is included per pack
No price recorded yet.
Loctite

Gasket, Black

+Oil resistant formula for engine gasket sealing
+Flexible cure suited to gasket applications
+80ml capacity for multiple gasket jobs
−Black color listed, no other finish offered
No price recorded yet.
Loctite

Thread Lock, Blue

+Removable thread lock for nuts, bolts, and fasteners
+Medium strength blue formula for adjustable fastening
+6ml bottle size for small repair jobs
−Small 6ml capacity for larger projects
No price recorded yet.
Locbondso

Gasket, Black

+Silicone RTV formula for gasket sealing
+Rated up to 600F for high temperature use
+Sensor safe formulation
No price recorded yet.
Loctite

Thread Lock, Blue

+Blue medium-strength threadlocker for fasteners
+50ml bottle size for repeated use
+Liquid form for threaded fastener application
No price recorded yet.
Loctite

Thread Lock, Red

+Red high-strength threadlocker for permanent fastener locking
+6 ml tube for small fastener jobs
+Ounce size and metric size both stated
No price recorded yet.
Permatex

Gasket, Black

+Silicone RTV gasket maker for sealing joints
+Maximum oil resistance for engine applications
+Small 0.5 oz tube for precise application
No price recorded yet.
Permatex

Gasket, Gray

+Silicone RTV gasket maker for sealing joints
+Rigid high-torque formula for bolted flanges
+Small 0.5 oz tube for precise application
No price recorded yet.
Permatex

Thread Lock, Blue

+Blue medium-strength threadlocker for fasteners
+Gel formula that stays where applied
+5 g tube for small fastener jobs
No price recorded yet.
Permatex

Thread Lock

+High strength threadlocker for securing threaded fasteners
+Removable formula allows fasteners to be taken apart later
+Gel formula in a 5 g tube for small threaded jobs
No price recorded yet.
Permatex

Gasket, Red

+High temperature gasket maker for automotive repair applications
+Red high temperature formula for sealing gasket surfaces
+3 oz tube size for small gasket sealing jobs
No price recorded yet.
Permatex

Gasket, Red

+High temperature RTV silicone gasket for automotive sealing
+Red silicone formula for high temperature gasket applications
+11 oz container size for larger gasket jobs
No price recorded yet.
Realth

Thread Lock, Red

+Three-pack covers low, medium and high strength threadlockers
+Includes M222, M243 and M271 grades for different fastener needs
+Purple and blue shades make the strength levels easy to tell apart
No price recorded yet.
Prixzelkym

Gasket

+Large 18 oz tube for extended gasket projects
+Silicone formula for gasket sealing
+Includes a tube squeezer for dispensing
No price recorded yet.
Xpertchemy

Gasket, Black

+Silicone gasket maker bonds and seals automotive parts
+Formulated as a gasket maker for internal engine sealing
+Silicone material resists heat and moisture in engine areas
No price recorded yet.
Tylove

Silicone

+Rated for high temperature up to 590°F
+Oil resistant formula suits engine oil pan sealing
+Silicone material for automotive gasket and seal work
No price recorded yet.

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