Springfield Marine | 2-3/8" Series | Trac-Lock II Bushing for Swivel Seat Mount (2171000)

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You save $3.75



Do you have a Springfield Marine Trac-Lock II swivel seat mount? Has your boat seat become floppy, unstable, or lopsided after years of wear and tear?

Before you spend your hard-earned money on a new seat mounting system, try this replacement bushing.

Simply install this Springfield Marine 2-3/8" bushing to form a tighter bond between your swivel and post.

Not only will you enjoy a smoother ride, but you'll also save yourself a lot of money!


  • Springfield Marine Replacement / Service Part for lost or worn bushing

  • Easy installation

  • Maintains a tight fit for a securely mounted boat seat


Diameter: 2-3/8" (2.375 Inches)

Length: 2-9/16" (2.563 Inches)

Outer Diameter: 2.420 Inches (measured around the top of the bushing)


To help confirm whether this bushing is the correct replacement for your current setup, look for the following identifications that may be stamped on your current bushing:

  • Manufacturing Number - 9010050
  • Casting Number - D4022

The 2-3/8" replacement bushing will not work for bushings stamped with the following identifications (you'll need the 2-7/8" replacement bushing instead):

  • Manufacturing Number - 9010018
  • Casting Number - D3725

Also Available in 2-7/8-inch Diameter

2 x 7/8" Replacement Trac-Lock™ II Bushing | SKU # 2171001


Extra Information

Brand Series:
2-3/8" Series

Warranty Information

Limited Manufacturer Warranty. Please contact Springfield Marine directly for warranty by visiting their website:

    1 Reviews

  • Posted by Todd on 17th Nov 2020


    Cascade Depot

    I ordered a replacement boat seat swivel from Cascade Depot. It was the perfect replacement part for my worn out seat bushing. My boat seat swivels like new again! Shipping was fast, too! I highly recommend Cascade Depot.