Automotive Sealants & Stop-Leaks

Keep your car running smoothly with our selection of automotive sealants and stop-leaks. Prevent leaks and protect your vehicle's engine with our high-quality products.

124 products

Automotive Stop-Leaks

Automotive Sealers

Automotive Sealant

Showing 24 products

Multipurpose Auto Sealant, 305 mL, Gray, Temp Range -20 Degrees to 120 Degrees F, Dow, Mfr#: 3104087

$31.89

Gasket Maker, 335 oz Tube, Paste, Mild, Permatex, Mfr#: 27037

$15.45

FactoryMatch Seam Sealer, 08323,200mL, PK6, 3M, Mfr#: 08323

$61.39

Aviation Leak Detection Dye, Green, Spectroline, Mfr#: SPI-ABG-1G

$1,407.99

M2116 Professional Synthetic Sealant, Meguiars, Mfr#: MGL-M2116

$51.55

R-1234Yf Pag Oil Labeled Syringe-Type Injector, Bosch, Mfr#: 18465

$197.99

Adheasive, TA16, Motorcraft, Mfr#: TA16

$10.79

Injector Assembly, Leakfinder, Mfr#: LF50

$57.79

Radiator Stop Leak, 8 oz, Bottle

$6.99

Seal Poly, Small Face, Black, PK100, Grote, Mfr#: 81-0117-100BP

$87.99

Glycol Leak Detection Dye, Green, Spectroline, Mfr#: SPI-WGG-16

$80.49

Urethane Seam Sealer, 310 mL, Gray, PK6, 3M, Mfr#: 08361

$228.99

Urethane, Seam Sealer, 310 mL, PK6, 3M, Mfr#: 08360

$211.99

1 K SPRAYABLE SEAM SEALER - BEIGE, Sem Products, Mfr#: SE29482

$32.19

NVH Dampening Material, 04274,200mL, 6, PK6, 3M, Mfr#: 04274

$364.99

Leakfinder 1-Oz (30 Ml) Bottle Engine Coolant Dye, Spectronics/Tracer, Mfr#: LF3001CS

$8.99

Pentosin Pentofrost A3 Blue 1 Gallon Blue Fs G, 8115207, Crp Products, Mfr#: 8115207

$28.95

Round Ribbon, Sealer, 1/4" x 15ft., PK12, 3M, Mfr#: 08610

$329.99

Aerosol Rubber Sealant, Clear, 14 oz., Flex Seal, Mfr#: FSCL20

$14.99

Rubberized Tape, Clear, 4", Flex Seal, Mfr#: TFSCLRR0405