

🔥 Seal the deal with Permatex Ultra Copper – where performance meets precision!
Permatex 81878 Ultra Copper RTV Silicone Gasket Maker is a high-performance, sensor-safe sealant designed for extreme temperature ranges (-75°F to 700°F intermittent). It offers three times the oil resistance and eight times the flexibility of conventional silicones, making it ideal for turbocharged and high-performance engines. With superior adhesion, low odor, and non-corrosive properties, it ensures durable, leak-proof seals on oil-contaminated metals and withstands vibrations and harsh automotive fluids.




| ASIN | B0002UEOPA |
| Assembly Required | No |
| Best Sellers Rank | #77,148 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #83 in Fillers, Adhesives & Sealants |
| Brand | Permatex |
| Colour | Copper |
| Country of Origin | USA |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,153) |
| Date First Available | 3 August 2012 |
| Exterior | Painted |
| Full Cure Time | 24 Hours |
| Generic Name | Gasket |
| Global Trade Identification Number | 00686226818782 |
| Item Dimensions LxWxH | 20.3 x 10.2 x 5.1 Centimeters |
| Item Form | Paste |
| Item Weight | 85 g |
| Item model number | 81878 |
| Liquid Volume | 3000 Millilitres |
| Manufacturer | Permatex |
| Manufacturer Part Number | 81878 |
| Material | Copper |
| Model | Permatex 81878 |
| Net Quantity | 3.0 Ounce |
| Number of Items | 1 |
| OEM Part Number | PMT81878 |
| Product Dimensions | 20.32 x 10.16 x 5.08 cm; 85 g |
| Size | 3 oz |
| Special Features | Forms a superior bond on oil contaminated metals and maintains outstanding oil resistance |
| Surface Recommendation | Pipe |
| UPC | 686226818782 |
| Water Resistance Level | Waterproof |
P**A
Good as sealent
Used on diesel turbocharger, sealent was 98% intact between turbocharger n exhaust manifold. As said by manufacturer had to allow 24 hrs before starting the engine.
B**I
Hightempe gas kit maker bonds
This item very useful it's working I'm using in my car in between torcher to dpf silencer no gas leak
P**O
Stuff is ok
Peels off easily so not very useful unless metals are bound together with nuts.
E**O
Este sellador de silicona de alta temperatura ha funcionado de manera excelente en las uniones del escape de mi motocicleta. Su resistencia al calor extremo garantiza un sellado duradero sin deteriorarse con el tiempo. La aplicación es sencilla y la adherencia es muy buena, asegurando que no haya fugas ni vibraciones molestas en las conexiones. Además, su formulación a base de cobre proporciona una excelente conductividad térmica y estabilidad en condiciones exigentes. En general, un producto confiable y altamente recomendable para sellar uniones expuestas a altas temperaturas, como sistemas de escape y componentes de motor. ¡Gran desempeño!
L**L
Sehr gutes Produkt.
A**R
Shows 2 tubes in the picture. Description says 2 pack. Costs about what you'd expect for two tubes, but you only get one. Just go down to the local auto parts store.
A**R
Worked great on old Harley Davidson exhaust gasket
J**E
Product works very well, let is harden for at least 24 hours ! Exhaust leak resolved.. A+
Trustpilot
1 month ago
1 month ago