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🧪 permatex 51531 purple anaerobic flange sealant, 50 ml tube, single pack logo

🧪 Permatex 51531 Purple Anaerobic Flange Sealant, 50 ml Tube, Single Pack Review

4

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
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Details

MaterialPaper
BrandPermatex
ColorPurple
Style50 ml
Item Weight0.14 Pounds

Description of 🧪 Permatex 51531 Purple Anaerobic Flange Sealant, 50 ml Tube, Single Pack

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.

Reviews

Global ratings 4
  • 5
    4
  • 4
    0
  • 3
    0
  • 2
    0
  • 1
    0

Type of review

Revainrating 5 out of 5

Works Good - Gasket

Makes an excellent baseplate gasket for 2.0L Dodge engines. I used this on an engine rebuild and it sealed well. There are no leaks and it doesn't interfere with proper play for the main bearings.

Pros
  • Eliminates the need for preformed, precut paper, rubber and cork gaskets
Cons
  • Not as good as advertised

Revainrating 5 out of 5

Best Flexible Sealant on the Market

We use this sealant extensively in our local tractor workshop where a resilient sealant is required. This is the best sealer we've found and we've tried many different ones. It stays flexible and doesn't dry out after several hours of application until you put the pieces together. Good product.

Pros
  • Suggested Applications: Water Pumps, Thermostat Housings, Transmission Pans, Gear Case Covers, Transmission Cases, Engine Crankcases, Timing Housings and O-Ring Replacement
Cons
  • Frequency

Revainrating 5 out of 5

Great for sealing the front bearing retainer on the transmission

Used on 1991 4runner v6 4x4 transmission. This was a great sealant to use on a gearbox from a bearing keeper. I was skeptical about using this recommended product as it is very runny. Excess oil that gets into the gearbox along with the gearbox oil will not damage the gearbox. RTV Silicone Gasket Maker will damage your transmission if the excess runs off with the transmission oil.

Pros
  • Bends with flanges that move in use
Cons
  • Annoys me