



Polaris RZR XP 1000 Rear Knuckle - Reliable Fit + Off-Road Durability (2018-2023)
Enhance Your Off-Road Performance
Stop risking ride stability. Upgrade to the Polaris RZR XP 1000 Rear Knuckle for proven durability and seamless fit. Crafted from high-quality cast aluminum, it offers longevity and superior control across rugged terrains.
Why Off-Road Enthusiasts Choose This Rear Knuckle
- Direct Fit Compatibility – Fits Polaris RZR XP 1000 & 4 1000 models from 2018-2023 without modification.
- Durable Cast Aluminum – Ensures long-lasting performance on the toughest trails.
- OEM Quality – Reliable replacement matching factory standards.
- Easy Installation – Simplifies maintenance and replacement process.
- Cost-Effective Upgrade – Affordable quality that saves you money over OEM parts.
- Sold Individually – Replace only what’s necessary.
- Versatile Use – Compatible with stock and aftermarket suspension components.
- High Compatibility – Suitable for a wide range of off-road conditions.
Perfect For
🏜️ Trail riding • 🪨 Rock crawling • 🌲 Forest adventures • Dune bashing
Complete Kit Includes
- ✓ Left Side Rear Knuckle
- ✓ Right Side Rear Knuckle
Technical Specifications
| Material | Cast Aluminum |
| Application | 2018-2023 Polaris RZR XP 1000 & 4 1000 |
| OEM Part Numbers | Left: 5140634, Right: 5140635 (R) |
| Warranty | Limited Lifetime |
Vehicle Fitment
- Polaris RZR XP 1000: 2018-2023
- Polaris RZR XP 4 1000: 2018-2023
Educational Section
The cast aluminum construction of this knuckle offers excellent strength-to-weight ratio, ensuring durability while maintaining lightness for better handling. It’s designed to withstand the stresses of aggressive off-road riding, providing you peace of mind on every trail.
Real Riders, Real Results
"Perfect fit and excellent quality! My RZR handles better on rough terrain." - Alex M.
"Replaced my stock knuckles with these, and the ride quality improved significantly! Highly recommend." - Dave S.
100% Risk-Free With R1 Protect
✓ 30-Day Returns – Return hassle-free if not satisfied
✓ Fast Shipping – Quick dispatch on in-stock items
✓ Expert Support – Call us at 801-899-2520 for assistance
⚡ Ready to Upgrade Your Ride?
In Stock Now
Join thousands of off-road lovers trusting Polaris for top performance
Stop risking ride safety. Replace your worn knuckles today and enjoy reliable performance across every terrain.
Vehicle Fitment
Polaris Rzr RS1 — 2018 - 2021Polaris Rzr XP 1000 — 2020 - 2021
Polaris Rzr XP 1000 EPS — 2018 - 2019
Polaris Rzr XP 1000 EPS Dynamix Edition — 2019
Polaris Rzr XP 1000 EPS High Lifter Edition — 2018 - 2019
Polaris Rzr XP 1000 EPS Ride Command Edition — 2018 - 2019
Polaris Rzr XP 1000 EPS Trails And Rock Edition — 2018 - 2019
Polaris Rzr XP 1000 High Lifter — 2022
Polaris Rzr XP 1000 High Lifter Edition — 2020 - 2021
Polaris Rzr XP 1000 Limited Edition — 2020
Polaris Rzr XP 1000 Premium — 2020 - 2023
Polaris Rzr XP 1000 Sport — 2022 - 2023
Polaris Rzr XP 1000 Trails & Rocks — 2021 - 2022
Polaris Rzr XP 1000 Trails And Rock Edition — 2020
Polaris Rzr XP 1000 Ultimate — 2023
Polaris Rzr XP 4 1000 — 2020 - 2021
Polaris Rzr XP 4 1000 EPS — 2018 - 2019
Polaris Rzr XP 4 1000 EPS Dynamix Edition — 2019
Polaris Rzr XP 4 1000 EPS High Lifter Edition — 2018 - 2019
Polaris Rzr XP 4 1000 EPS Ride Command Edition — 2018 - 2019
Polaris Rzr XP 4 1000 High Lifter — 2022
Polaris Rzr XP 4 1000 High Lifter Edition — 2020 - 2021
Polaris Rzr XP 4 1000 Limited Edition — 2020
Polaris Rzr XP 4 1000 Premium — 2020 - 2023
Polaris Rzr XP 4 1000 Sport — 2022 - 2023
Polaris Rzr XP 4 1000 Ultimate — 2023
Original: $120.01
-65%$120.01
$42.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Enhance Your Off-Road Performance
Stop risking ride stability. Upgrade to the Polaris RZR XP 1000 Rear Knuckle for proven durability and seamless fit. Crafted from high-quality cast aluminum, it offers longevity and superior control across rugged terrains.
Why Off-Road Enthusiasts Choose This Rear Knuckle
- Direct Fit Compatibility – Fits Polaris RZR XP 1000 & 4 1000 models from 2018-2023 without modification.
- Durable Cast Aluminum – Ensures long-lasting performance on the toughest trails.
- OEM Quality – Reliable replacement matching factory standards.
- Easy Installation – Simplifies maintenance and replacement process.
- Cost-Effective Upgrade – Affordable quality that saves you money over OEM parts.
- Sold Individually – Replace only what’s necessary.
- Versatile Use – Compatible with stock and aftermarket suspension components.
- High Compatibility – Suitable for a wide range of off-road conditions.
Perfect For
🏜️ Trail riding • 🪨 Rock crawling • 🌲 Forest adventures • Dune bashing
Complete Kit Includes
- ✓ Left Side Rear Knuckle
- ✓ Right Side Rear Knuckle
Technical Specifications
| Material | Cast Aluminum |
| Application | 2018-2023 Polaris RZR XP 1000 & 4 1000 |
| OEM Part Numbers | Left: 5140634, Right: 5140635 (R) |
| Warranty | Limited Lifetime |
Vehicle Fitment
- Polaris RZR XP 1000: 2018-2023
- Polaris RZR XP 4 1000: 2018-2023
Educational Section
The cast aluminum construction of this knuckle offers excellent strength-to-weight ratio, ensuring durability while maintaining lightness for better handling. It’s designed to withstand the stresses of aggressive off-road riding, providing you peace of mind on every trail.
Real Riders, Real Results
"Perfect fit and excellent quality! My RZR handles better on rough terrain." - Alex M.
"Replaced my stock knuckles with these, and the ride quality improved significantly! Highly recommend." - Dave S.
100% Risk-Free With R1 Protect
✓ 30-Day Returns – Return hassle-free if not satisfied
✓ Fast Shipping – Quick dispatch on in-stock items
✓ Expert Support – Call us at 801-899-2520 for assistance
⚡ Ready to Upgrade Your Ride?
In Stock Now
Join thousands of off-road lovers trusting Polaris for top performance
Stop risking ride safety. Replace your worn knuckles today and enjoy reliable performance across every terrain.
Vehicle Fitment
Polaris Rzr RS1 — 2018 - 2021Polaris Rzr XP 1000 — 2020 - 2021
Polaris Rzr XP 1000 EPS — 2018 - 2019
Polaris Rzr XP 1000 EPS Dynamix Edition — 2019
Polaris Rzr XP 1000 EPS High Lifter Edition — 2018 - 2019
Polaris Rzr XP 1000 EPS Ride Command Edition — 2018 - 2019
Polaris Rzr XP 1000 EPS Trails And Rock Edition — 2018 - 2019
Polaris Rzr XP 1000 High Lifter — 2022
Polaris Rzr XP 1000 High Lifter Edition — 2020 - 2021
Polaris Rzr XP 1000 Limited Edition — 2020
Polaris Rzr XP 1000 Premium — 2020 - 2023
Polaris Rzr XP 1000 Sport — 2022 - 2023
Polaris Rzr XP 1000 Trails & Rocks — 2021 - 2022
Polaris Rzr XP 1000 Trails And Rock Edition — 2020
Polaris Rzr XP 1000 Ultimate — 2023
Polaris Rzr XP 4 1000 — 2020 - 2021
Polaris Rzr XP 4 1000 EPS — 2018 - 2019
Polaris Rzr XP 4 1000 EPS Dynamix Edition — 2019
Polaris Rzr XP 4 1000 EPS High Lifter Edition — 2018 - 2019
Polaris Rzr XP 4 1000 EPS Ride Command Edition — 2018 - 2019
Polaris Rzr XP 4 1000 High Lifter — 2022
Polaris Rzr XP 4 1000 High Lifter Edition — 2020 - 2021
Polaris Rzr XP 4 1000 Limited Edition — 2020
Polaris Rzr XP 4 1000 Premium — 2020 - 2023
Polaris Rzr XP 4 1000 Sport — 2022 - 2023
Polaris Rzr XP 4 1000 Ultimate — 2023























