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Replaces Harley Davidson OEM #63731-99A & 63798-99

Manufactured by Drag Specialties

  • Standard chrome or black spin-on oil filter with paper media material, with or without nut
  • High-quality spin-on filters are a dependable replacement for most H-D models
  • Filters with nut include a 17mm hex nut on the end of the filter for easy installation/removal
  • Sold Individually (As Each) Unless Otherwise Noted
  • Fits Twin-Cam Models
  • Fits M8 Models
  • WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Twin-Cam 1999-2017 / M8 2017-2023 Oil Filter, HD 63731-99A/63798-99

PriceFrom $9.95

Fitment information is accurate to the best of our knowledge. The fitment information is valid only for stock versions of the motorcycle or unit. Consult manufacturer publications for specific fitment and other important information. 

Failure to follow manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While we strive to give you the most accurate fitment information, Classic American Thunder Cycle accepts no liability for loss or damage resulting from errors or omissions. 

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