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Permatex 51531 Anaerobic Flange Sealant, 50 ml Tube

5.0 out of 5 stars 10 customer reviews

Price: $25.30 & FREE Shipping
In stock.
Usually ships within 4 to 5 days.
Ships from and sold by Independence Fulfillment Services.
50 Milliliter
    This fits your .
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  • For use on rigid machined flanges with less than .015 inch gap
  • Original Equipment Manufacurer (OEM) approved, for use where 'anaerobic' gasket is specified
  • Eliminates preformed, pre-cut, paper, rubber and cork gaskets
  • Flexes with flanges that move in service
  • Suggested Applications: Water pumps, thermostat housings, transmission pans, transmission case covers, transaxle casings, engine cases, timing covers, and o-ring replacement
17 new from $18.35
$25.30 & FREE Shipping In stock. Usually ships within 4 to 5 days. Ships from and sold by Independence Fulfillment Services.

Frequently Bought Together

  • Permatex 51531 Anaerobic Flange Sealant, 50 ml Tube
  • +
  • Permatex 24163 Surface Prep Activator for Anaerobics, 4.5 oz.
  • +
  • Permatex 51813 Anaerobic Gasket Maker, 50 ml Tube
Total price: $55.24
Buy the selected items together


Product Information

Size:50 Milliliter

Technical Details

Brand Permatex
Item Weight 1 pounds
Product Dimensions 1.4 x 2.1 x 6.1 inches
Item model number 51531
Manufacturer Part Number 51531

Technical Specification

Additional Information

ASIN B000HBGL6O
Customer Reviews
5.0 out of 5 stars 10 customer reviews

5.0 out of 5 stars
Best Sellers Rank #459,248 in Automotive (See top 100)
#138 in Automotive > Oils & Fluids > Sealers > Gasket
Shipping Weight 1.6 ounces (View shipping rates and policies)
Date First Available July 7, 2004

Warranty & Support

Warranty, Parts:Parts
Product Warranty: For warranty information about this product, please click here

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Product Description

Size: 50 Milliliter

Permatex Anaerobic Flange Sealant is a flexible, gasketing material for use on rigid machined flanges with less than a .015 inch gap. Designed to cure in the absence of air, this flange sealant eliminates preformed, pre-cut, paper, rubber and cork gaskets. Original Equipment Manufacurer (OEM) approved – use where OE’s specify 'anaerobic' gasket. Flexes with flanges that move in service and withstands temperatures to 300 degrees fahrenheit. Suggested applications include water pumps, thermostat housings, transmission pans, transmission case covers, transaxle casings, engine cases, timing covers, and o-ring replacement.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 50 Milliliter Verified Purchase
For heavy flanges this is what you want. No idea why all these builders and shops are using so much silicone, especially around oil passages. Use this for professional results without the risk of engine failure.
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Size: 50 Milliliter, (Pack of 10) Verified Purchase
We use this sealant extensively in our tractor repair shop where a flexible sealant is required. It is the best sealant that we have found and we have tried many different ones. It stays flexible and doesn't dry out if it is several hours afteryou apply it until you put the parts together. Great product.
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By Muzzy on September 9, 2013
Size: 50 Milliliter Verified Purchase
This works great as a bed plate sealant for Dodge 2.0L engines. I used this on an engine rebuild and it sealed up nice. No leaks and it does not prevent proper clearance for the main bearings.
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Size: 50 Milliliter
The best non silicone sealer hands down !!! As for silicone sealer, I would only use Toyota / Honda / Kawasaki or any other silicone made by 3 Bond, the rest are junk.
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Size: 50 Milliliter Verified Purchase
Make sure you get the activator in the spray can with this to achieve best metal to metal joint seal. I sealed a 4WD NP306 transfer case beautifully.
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