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🔥 Seal the deal with J-B Weld – where strength meets speed!
J-B Weld MufflerSeal is a 12 oz iron-reinforced paste designed to seal mufflers, pipe joints, and exhaust systems. It resists temperatures up to 700°F and cures fully in 24 hours or faster with heat application. Ideal for professional-grade automotive repairs, this black putty offers durable, high-temperature sealing trusted by thousands.

| ASIN | B084T8BW18 |
| ASIN | B084T8BW18 |
| Best Sellers Rank | #180,174 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #114 in Contact Cements |
| Brand Name | J-B Weld |
| Color | black |
| Compatible Material | Metal |
| Container Type | Tube |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,683) |
| Customer reviews | 4.3 4.3 out of 5 stars (1,683) |
| Date First Available | 1 January 2024 |
| Department | unisex-adult |
| 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 model number | 37906 |
| Manufacturer | J-B Weld |
| Manufacturer | J-B Weld |
| Material Type | Iron Reinforced Paste |
| Model | 37906 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Iron reinforced paste for high-temperature sealing |
| Part Number | 37912 |
| Product Dimensions | 19.05 x 14.94 x 13.97 cm; 340.19 g |
| 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 |
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