# QuadBoss 04-09/12-13 Yamaha YFZ450 Countershaft Bushing & Seal Kit

Kit includes case-hardened bushing: stronger than O.E.M., replacement outer seal along with any O-rings, snap rings or lock washers required to complete the repair.

-   Includes hardened steel bushing, upgraded seal, O-ring, and retaining hardware
-   Direct-fit replacement kit designed for easy installation on OEM components
-   Helps prevent oil leaks and maintain proper countershaft alignment
-   Countershaft bushing & seal kit for Yamaha
-   Made in USA

This Part Fits:

Year

Make

Model

Submodel

1998-2000

Yamaha

WR400F

Base

2001-2002

Yamaha

WR426F

Base

2003-2018

Yamaha

WR450F

Base

2004-2009,2012-2013

Yamaha

YFZ450

Base

1998-1999

Yamaha

YZ400F

Base

2000-2002

Yamaha

YZ426F

Base

2003-2022

Yamaha

YZ450F

Base

2016-2022

Yamaha

YZ450FX

Base

## Details

- **Price:** 59.11 CAD
- **Vendor:** QuadBoss
- **Type:** Gasket Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 59.11 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/quadboss-04-09-12-13-yamaha-yfz450-countershaft-bushing-seal-kit)
> Updated: 2026-06-27