39mm Front Fork Seal Spacer for FXR/XL Harley-Davidson — Part A-45377-87

The Eastern 39mm Fork Seal Spacer (A-45377-87) is a front fork spacer designed to align and seal the fork assembly on Harley-Davidson FXR models from 1987 to 1994, and select XL models from 1987 and 1988. Made in the USA, this OEM cross-referenced component matches the original parts to support proper fork operation during maintenance or restoration.

Key features and compatibility make it a straightforward, reliable choice for preserving fork performance:

• Diameter: 39mm
• Fitment: FXR 1987–1994; XL 1987–1988; FXD 1991–2026
• Part numbers: A-45377-87 (OEM cross-reference 45377-87)
• Manufactured in the USA
• Easy installation for quick maintenance and repair

• Use cases: routine fork service, suspension restoration, and any project requiring correct fork seal alignment.

39mm fork seal spacer for FXR models.

The Eastern 39mm Fork Seal Spacer (Part A-45377-87) is designed specifically for FXR models from 1987 to 1994, as well as select Harley Davidson XL models from 1987 and 1988. This high-quality spacer ensures proper alignment and sealing of your motorcycle's front fork assembly, contributing to a smooth ride and optimal handling. Crafted in the USA, this OEM cross-referenced component guarantees compatibility and durability for your Harley Davidson motorcycle. The spacer's precise dimensions and manufacturing standards make it an essential part for maintenance or restoration projects involving FXR and XL models. Whether you're performing routine upkeep or restoring your motorcycle's suspension system, this spacer provides a reliable and straightforward solution to maintain proper fork performance.

Features:

• Designed for FXR models from 1987 to 1994 and select Harley Davidson XL models from 1987-1988

• OEM cross reference: 45377-87 ensures compatibility with original parts

• Manufactured in the USA to meet high-quality standards

• High-precision 39mm diameter for effective sealing and alignment

• Easy installation for quick maintenance and repair

Fitment:
Harley Davidson FXD 1991
Harley Davidson FXD 1992
Harley Davidson FXD 1993
Harley Davidson FXD 1994
Harley Davidson FXD 1995
Harley Davidson FXD 1996
Harley Davidson FXD 1997
Harley Davidson FXD 1998
Harley Davidson FXD 1999
Harley Davidson FXD 2000
Harley Davidson FXD 2001
Harley Davidson FXD 2002
Harley Davidson FXD 2003
Harley Davidson FXD 2004
Harley Davidson FXD 2005
Harley Davidson FXR 1987
Harley Davidson FXR 1988
Harley Davidson FXR 1989
Harley Davidson FXR 1990
Harley Davidson FXR 1991
Harley Davidson FXR 1992
Harley Davidson FXR 1993
Harley Davidson FXR 1994
Harley Davidson XL 1987
Harley Davidson XL 1988
Harley Davidson XL 1989
Harley Davidson XL 1990
Harley Davidson XL 1991
Harley Davidson XL 1992
Harley Davidson XL 1993
Harley Davidson XL 1994
Harley Davidson XL 1995
Harley Davidson XL 1996
Harley Davidson XL 1997
Harley Davidson XL 1998
Harley Davidson XL 1999
Harley Davidson XL 2000
Harley Davidson XL 2001
Harley Davidson XL 2002
Harley Davidson XL 2003
Harley Davidson XL 2004
Harley Davidson XL 2005
Harley Davidson XL 2006
Harley Davidson XL 2007
Harley Davidson XL 2008
Harley Davidson XL 2009
Harley Davidson XL 2010
Harley Davidson XL 2011
Harley Davidson XL 2012
Harley Davidson XL 2013
Harley Davidson XL 2014
Harley Davidson XL 2015
Harley Davidson XL 2016
Harley Davidson XL 2017
Harley Davidson XL 2018
Harley Davidson XL 2019
Harley Davidson XL 2020
Harley Davidson XL 2021
Harley Davidson XL 2022
Harley Davidson XL 2023
Harley Davidson XL 2024
Harley Davidson XL 2025
Harley Davidson XL 2026