How To Measure For Replacement Gaskets

• Use the image below to guide you when measure from dart to dart
  

OR Measure the Outside of the Gasket

• 1) On gaskets that have "darts", measure from outside corner to outside corner. (As shown on the picture below)
  
  
  
• 2) On under panel gaskets, measure from outside dimensions. (As shown on the picture below)
  
  
  
• 3) On retainer mounted gaskets, measure from outside dimensions. (As shown on the picture below)
  
  
  
• 4) Specify either a 3 or 4 sided gasket.