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Permatex 81878 Ultra Copper Maximum Temperature RTV Silicone Gasket Maker, 3 oz. Tube

Permatex
Category: Automotive > Car Care > Fillers, Adhesives & Sealants > Sealants > Gasket

Price

$6.99

Rating

4.7(3,213 reviews)

Description

Permatex Ultra Copper. For 4-cylinder, turbocharged or high-performance engines. The most advanced, high temperature RTV silicone gasket available. Sensor safe, low odor, noncorrosive. Superior adhesion. 3 times more oil resistant than conventional silicones; 8 times more flexible than cut gaskets. Temperature range -75 deg. F. to 700 deg. F. intermittent; resists auto and shop fluids and vibration. Suggested Applications : Exhaust manifolds/headers, valve covers, oil pans, timing covers, water pumps, thermostat housings. 3 oz tube. Carded.

Key Features

  • Most Advanced, High Temp Rtv Silicone Gasket Available.Fit Type: Universal
  • Three Times More Oil Resistant Than Conventional Silicones; Eight Times More Flexible Than Cut Gaskets
  • Sensor-Safe, Low Odor, And Non-Corrosive With Superior Adhesion
  • Temperature Range -75F To 700F Intermittent
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Product Details

Product ID

B0002UEOPA

ASIN

B0002UEOPA

Category

Automotive > Car Care > Fillers, Adhesives & Sealants > Sealants > Gasket

Reviews

3,213

Prime Eligible

Yes

Last Scraped

2/18/2026

Technical Details

AsinB0002UEOPA
Best sellers rank#1,388 in Automotive (See Top 100 in Automotive) #5 in Gasket Sealers
BrandPermatex
ColorCopper
Customer reviews4.7 4.7 out of 5 stars (3,213) 4.7 out of 5 stars
Date first availableJune 3, 2025
ExteriorPainted
Full cure time24 Hours
Global trade identification number00686226818782
Is discontinued by manufacturerYes
Item formPaste
Item model number81878
Item weight3 ounces
Liquid volume3000 Milliliters
ManufacturerPERMTX-LOCKT
Manufacturer part number81878
MaterialMetal
ModelPermatex 81878
National stock number8030-01-598-1435
Number of items1
Oem part numberPMT81878
Product dimensions8 x 4 x 2 inches
Special featuresForms a superior bond on oil contaminated metals and maintains outstanding oil resistance
Surface recommendationPipe
Unit count3.0 Ounce
Upc686226818782
Water resistance levelWaterproof

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