OEM Harley Davidson 39mm Front Fork Tube Dust Seal Sportster Dyna FXR 45401-87

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OEM Harley Davidson 39mm Front Fork Tube Dust Seal Sportster Dyna FXR 45401-87

Part #: 45401-87

Harley-Davidson part number 45401-87 corresponds to a 39mm fork dust seal. 

This component helps prevent dirt and debris from damaging the main fork oil seal on specific Harley-Davidson motorcycles. 

  • Product Type: Fork Dust Seal.
  • Inside Diameter: 39.00 mm (approx. 1.54 inches).
  • Material: High-quality molded rubber.
  • Color/Finish: Black.
  • Application: Front fork tubes (Standard Forks).
  • Units: Sold individually (each).
  • Approximate Weight: 0.04 to 0.05 lbs. 

Fitment: Harley-Davidson part number 45401-87 is a 39mm fork dust seal with extensive fitment across many Sportster, Dyna, and FXR models from 1987 to 2022 that utilize 39mm fork tubes. 

Sportster (XL) Fitment (1987-2022)

This part fits nearly all Sportster models from 1987 onward, including: 

  • XLH 883 & 1200 (1988–2003)
  • 883 Deluxe/Hugger (1987–1995)
  • 883 & 1200 Custom (1996–2019)
  • 883 & 1200 Low/SuperLow (2005–2019)
  • 883 Iron (2009–2022)
  • 1200 Roadster (2004–2019)
  • Forty-Eight (2010–2022)
  • Seventy-Two (2012–2016)
  • Nightster (2007–2012)

Dyna (FXD) Fitment (1991-2005)

This part is compatible with most Dyna models from the early-to-mid era, specifically those with 39mm forks: 

  • Super Glide (FXD) (1995–2005)
  • Low Rider (FXDL) (1993–2005)
  • Super Glide Sport (FXDX) (1999–2005)
  • Super Glide T-Sport (FXDXT) (2001–2003)
  • Dyna Convertible (FXDS-CONV) (1994–2000)

FXR Fitment (1987-2000)

The seal fits various FXR models across their run:

  • Low Rider (FXRS) (1987–1993)
  • Low Rider Sport (FXRS-SP) (1987–1993)
  • Sport Glide (FXRT) (1987–1993)
  • FXR2, FXR3, FXR4 (1999–2000)

Please make sure of fitment before buying.

New, did not open for pictures. In sealed packaging.

Selling as pictured, save on shipping by coming to store in Butler, PA

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