Jb Weld
Exhaust System Sealant
Exhaust System Sealant
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Exhaust Repair

Set Time

30 min

Cure Time

Run engine for 10 minutes after set

Cure Color

Dark Gray

Exhaust System Sealant

SKU: 37903

$ 11.59 In stock

J-B Weld Exhaust System Sealant is a heat resistant paste that is used to seal gaps, smooth seams or seal pipe connections within an exhaust system reassembly or repair. The paste is resistant to temperatures up to 850°F with negligible, if any shrinkage.

  • Temperature resistant sealant
  • Withstands heat up to 850ºF / 454ºC
  • Sets in 30 minutes
  • Non-shrinking

Great For

  • Mufflers
  • Tail Pipes
  • Exhaust Systems
  • Catalytic Converters
  • Automotive & Machine Parts

Use On

  • Automotive
  • Metal

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