🔧 Seal smarter, not harder — the pro’s choice for next-level gasket performance!
Permatex 81725-12PK Ultra Blue RTV Silicone Gasket Maker is a sensor-safe, low-odor, and non-corrosive sealant designed for automotive applications. It offers eight times the flexibility of cork gaskets and three times the oil resistance of conventional silicones, withstanding temperatures from -65°F to 500°F. Sold in a 12-pack, it’s ideal for valve covers, oil pans, and other critical engine components, delivering superior durability and torque retention trusted by professionals.
| ASIN | B001RETU6I |
| Best Sellers Rank | 351,973 in Automotive ( See Top 100 in Automotive ) |
| Brand | Permatex |
| Customer Reviews | 4.8 4.8 out of 5 stars (242) |
| Date First Available | 3 Feb. 2009 |
| Item Weight | 368 g |
| Item model number | 81725-12PK |
| Manufacturer | Permatex |
| Manufacturer part number | 81725-12PK |
| Package Dimensions | 24.9 x 21.4 x 16 cm; 368.54 g |
W**A
何時も愛用しています。
D**S
50 yr mastertech here . ultra blue is my go to. . great stuff
R**H
worked great
S**N
It's kept my valve cover from leaking and it's holding up great so far. You can't go wrong with ultra blue!
D**M
Permatex products always get the job done
Trustpilot
1 month ago
4 days ago
