The Up & Running Polaris RZR RS1 Rear Knuckle is a machined silver metal part with multiple mounting holes, a large circular opening, precise edges, and varying textures. It sits on a white background with the SuperATV logo in the bottom right corner.

Up & Running Polaris RZR RS1 Rear Knuckle

Left Side
$150.95
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The Up & Running Polaris RZR RS1 Rear Knuckle is a machined silver metal part with multiple mounting holes, a large circular opening, precise edges, and varying textures. It sits on a white background with the SuperATV logo in the bottom right corner.

Up & Running Polaris RZR RS1 Rear Knuckle

$150.95
Choose location

Replace your worn Polaris RZR RS1 knuckles with SuperATV’S Up & Running Rear Knuckles. They’re OEM quality at a low cost.
A Quality Replacement at an Affordable Price
Waiting until your rear knuckle breaks to replace it is a mistake. It’ll cause you to crash which can result in costly damage. Avoid that by replacing them with SuperATV’s Up & Running Knuckles for your Polaris RZR RS1. They’re a direct fit, making them compatible with stock and other aftermarket parts.

A Perfect Fit
Our Up & Running knuckles are a direct replacement for your stock knuckles, so you can run other suspension parts with it. Whether it’s SuperATV, stock, or other aftermarket parts, they’ll fit! Plus, it makes servicing your stock wheel bearings easier.

Get Ready for Your Weekend Ride
Replacing your worn knuckles shouldn’t cost an arm and a leg. With SuperATV’s Up & Running Knuckles, you’re getting OEM quality without breaking the bank. With fast shipping, you’ll be ready to hit the trails in no time.


FITMENT

  • Polaris RZR RS1 : 2018-2021

Replacement for OEM part #:

  • Left side: 5140634
  • Right side: 5140635 (R)

Replace your worn Polaris RZR RS1 knuckles with SuperATV'S Up & Running Rear Knuckles. They're OEM quality at a low cost.

The information in this listing was collected and considered accurate from https://www.superatv.com/up-and-running-polaris-rzr-rs1-rear-knuckle on 01/26/2026 11:02 PM

 

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