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Permatex 81878-12PK Ultra Copper Maximum Temperature RTV Silicone Gasket Maker, 3 oz. (Pack of 12)
✅ In stock
F
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 19, 2026 5:29 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
2.61/22
Market Standing
8.57/20
Deal Strength
7/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
AceOfProducts
🚚 Shipping
Free Shipping
Product Details
✓Most advanced, high temp RTV silicone gasket available
✓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
✓Suggested Applications: Exhaust manifolds/headers, valve covers, oil pans, timing covers, water pumps, thermostat housings
⚙️ Specifications
Color
Copper
Brand
Permatex
Item Weight
2.9 pounds
Liquid Volume
3 fluid ounces
Item Form
Paste
Surface Recommendation
Miscellaneous
Water Resistance Level
Waterproof
Number of Items
12
Manufacturer
Permatex
Global Trade Identification Number
30686226818783
Unit Count
36 Fluid Ounces
