Earls Dowty Seal

Dowty Seal, 1-1/16" I.D., Fits 12 AN Fitting, Package Of 2

PART# 178117ERL

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Standard practice in the U.S.A. is to use crush washers, "O" rings and/or Stat-O-Seals to seal ports and banjo fittings. English practice is to use "Dowty Seals". Dowty seals are similar in concept to our Stat-O-Seals, but are considerably smaller in diameter (and thicker in cross section). Since many of our road racing and Indy cars— and their mechanics—are of English origin, Earl's offers a complete range of Dowty Seals.


  • English Practice
  • Considerably Smaller Diameter
  • Thicker In Cross-Section
  • Complete Range Offered


Emission Code5
Fitting Size#12 AN
MaterialSynthetic Nitrile O-Ring in Zinc Plated Steel
O-Ring MaterialNitrile
Product LinePremium
Product TypeAccessory
Quantity Per Pkg.Two
Washer I.D.1-1/16 Inch
Part Number178117ERL


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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        *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

        Some parts are not legal for use in California or other states with similar regulations.