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Permatex 82194 Ultra Grey RTV Silicone Gasket Maker delivers a sensor-safe, non-corrosive, and vibration-resistant seal designed for high-torque automotive applications. With a temperature tolerance from -65°F to 500°F, it forms durable, flexible gaskets that resist aging, weathering, and thermal cycling—perfect for valve covers, timing gear covers, and more.










| ASIN | B000HBGI8K |
| Best Sellers Rank | 8,872 in Automotive ( See Top 100 in Automotive ) 116 in Fillers, Adhesives & Sealants |
| Brand | Permatex |
| Colour | Ultra Gray |
| Customer Reviews | 4.7 4.7 out of 5 stars (5,439) |
| Global Trade Identification Number | 00686226821942 |
| Included Components | Unit^Instruction Guide |
| Item Shape | Round |
| Item Thickness | 5 Inches |
| Item Type Name | 599B U-GREY RTV |
| Item Weight | 118 g |
| Manufacturer | Permatex |
| Manufacturer Part Number | 82194 |
| Material | Silicone |
| Model Number | 82194 |
| Pressure | 5 Inches of Mercury |
| UPC | 686226821942 686226001139 |
| Unit Count | 3.0 gram |
| Upper Temperature Rating | 500 Degrees Fahrenheit |
C**N
Effectively sealed
Used to fit thermostat gasket, good deal.
M**T
Recommended
Used on a Toyota Yaris as similar to Toyota oem. Worked very well on timing chain cover and sump. It’s at a good price point, created a great seal when used to recommended bead size torque on a challenging sump pan ( the one with 2 bolts inside bell housing)
T**N
Good product cheaper than 3bond and just as good
Good product and cheaper than 3bond
A**R
Excellent product
Excellent used on my inlet manifold on my triumph stag
L**S
Does the job
Unlike some Loctite RTVs, this didn't arrive cured hard in the tube before first use, and remained usable even after opening and storing for a couple weeks. Success! I've used it to seal a timing case cover on an old engine, which has a large coolant channel going right through it. So you have engine oil, vibration, coolant and a lot of temperature gradients in the mix. It's holding up just fine so far. No leaks. It would be better if delivered in a plastic tube as the metal ones eventually crack, and spoil the contents.
D**D
So far so good
Seems to be working great on my new oil pump fitted. Was easy to apply and so far no leaks
S**N
Good product
Very good product, i would recommend this product, I used it to seal a timeing chain cover
A**T
good
all just ok
W**N
箱も中身も問題なし
S**N
Very good product !!!
E**L
used it for a car water pump change it does the job like other RTVs I tried , other reason because it says " it's save for sensors ".
E**S
excellent product
X**G
Works better than expected!
Trustpilot
3 weeks ago
2 weeks ago