Gaskets and Seals› Engine Gaskets and Seals
Permatex
Optimum Red RTV 12Oz. Silicone Cartridge
SKU: P018 27238
Beginner — under 30 min
Description
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Permatex |
| Part Number | P018 27238 |
Videos
Permatex Optimum Easy Disassembly
Permatex High Temp Red RTV, Trial and Review.
Gasketing Application Tips: Permatex Tech Tip Series
Permatex Pro Tips: How to Select a Gasket Maker
Permatex - Do They have the Right Stuff for Gasket Maker? FAST PASS
Permatex Ultra Copper Review
Permatex Spray Sealant Test - Oil Leak!
Permatex ultra gray after 24 hours: Why you should wait to add fluid, what it looks like
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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