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🔥 Seal the deal, silence the noise!
J-B Weld MufflerSeal is a 12 oz. iron-reinforced putty designed to seal mufflers, pipe joints, and exhaust systems. It resists temperatures up to 700°F and cures either naturally in 24 hours or faster with heat application, providing a durable, professional-grade repair solution favored by automotive enthusiasts and pros alike.

| ASIN | B084T8BW18 |
| Best Sellers Rank | #160,358 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #113 in Contact Cements |
| Brand | J-B Weld |
| Brand Name | J-B Weld |
| Color | black |
| Colour | black |
| Compatible Material | Metal |
| Container Type | Tube |
| Customer Reviews | 4.3 out of 5 stars 1,616 Reviews |
| Full Cure Time | 24 Hours |
| Included Components | Muffler Cement |
| Item Form | Putty |
| Item Package Quantity | 1 |
| Item Type Name | Muffler Sealer |
| Item Weight | 12 Ounces |
| Item form | Putty |
| Manufacturer | J-B Weld |
| Material | Iron Reinforced Paste |
| Material Type | Iron Reinforced Paste |
| Model | 37912 |
| Other Special Features of the Product | Iron reinforced paste for high-temperature sealing |
| Part Number | 37912 |
| Special features | Iron reinforced paste for high-temperature sealing |
| Specific Uses For Product | Auto, Repair |
| Specific uses for product | Auto, Repair |
| UPC | 043425379122 |
| Unit Count | 12 Grams |
| Viscosity Level | Medium to High |
| Volume | 354.88 Milliliters |
| Water Resistance Level | Not Water Resistant |
W**E
Great
Great
T**M
Excellent
Good product. I fixed my car silencer sound by filling the compund to the cracks and holes formed due to rust
J**A
Great
I was hesitant, but this product works great. Sealed in no time and lasts.
C**S
No resiste la vibración
Se abre muy fácil la ranura si hay vibración
K**N
Good for fixing my motorcycle muffler
Segments at work or during repairs, this J-B Weld MufflerSeal worked pretty well. It's a handy plastic tube that offers a decent seal and stays in place when you need it. I used it on my bike and was pleased with how easily it mixed and applied. Definitely makes a quick fix less stressful without needing professional help. Glad I added it to my toolkit for those small muffler troubles that pop up now and then.
B**T
Useful car repair aid
Does the job very well as advertised. Easy to use & very reliable. Good price
Trustpilot
5 days ago
1 week ago