Outside idler wheels help keep track in proper alignment
They also help spread load evenly across the entire track
Adds two idler wheels to the outside of the rail, for a total of 4 rear wheels
Recommended when adding studs
Note: Replacement bearings for these wheels are 3604-033
Includes 2 wheels, 2 spacer blocks, mounting hardware, and instructions
Replaces Part # 6639-622
Fits Models:
2016-2018 ZR 137"
2014-2018 XF 137"
2012-2015 XF 141"
2013-2015 XF CrossTour 141"
2012-2019 XF High Country 141" & 153"
2016-2019 M 141"
2012-2019 M 153" & 162"
(Excludes 2019 ZR & XF 137")
(Excludes 2016-2018 XF CrossTour 146")
(Excludes 2019 M Hardcore, rail brace interferes)
(Excludes 2019 M Alpha One)
| SKU | 6639-621 |
|---|---|
| Color | Black |
| Replaces Part # | 6639-622 |
| Prop 65: |
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Country Cat is an Arctic Cat, E-Z-GO, Kawasaki, and Textron off Road dealer that opened it's doors in November 1991. We started small and over the years have grown to become one of the largest powersports dealers in the United States. We believe this success has been attributed to living by the motto: "Commitment to Service, Passion for Excellence."
