Mati Powersports
Front Differential Output Hub Assembly for Polaris Polaris Sportsman 850 1000 ACE 570 900 Brutus PRO XD 3235169 2203727
Front Differential Output Hub Assembly for Polaris Polaris Sportsman 850 1000 ACE 570 900 Brutus PRO XD 3235169 2203727
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SPECIFICATIONS
Brand Name: M MATI
Origin: Mainland China
Item Weight: 1.3 KG
For ATV Brand/Model: Polaris
Special Features: Front Differential Output Hub Assembly
MPN : 3235169 2203727 2203728 3235057 3236683 3235911 3236675
Placement on Vehicle : Front Differential
Warranty : 1 year
Package：Output Hub Assembly x 1
Fit for Polaris ATV/UTV Front Differential
ACE 325 2016
ACE 500 2017-2019
ACE 570 2016-2019
ACE 900 2016-2019
Brutus 2013-2018
PRO XD 2019-2024 Exclude Mid-Size Edition
Ranger 1000 2017-2020 Exclude High-Lifter or Back-Country Edition
Ranger 500 2017-2022
Ranger 570 2014-2021
Ranger 570 Full-Size 2015-2023
Ranger 900 2013-2019
Ranger Diesel 1000 2015-2018
Ranger Diesel 900 2011-2014
Ranger Diesel HST 2014-2017
Ranger ETX 2015-2016
RZR 570 2012-2022
RZR 800 2008-2014
RZR 900 2-Seater 2011-2024
RZR 900 4-Seater 2012-2014
Scrambler 1000 2014-2024
Scrambler 850 2013-2024
Sportsman 1000 2015
Sportsman 1000 High Lifter 2016-2024
Sportsman 850 2015-2024 Exclude Touring/Trail/EPS/SP Edition
Sportsman 850 High Lifter 2016-2024
Sportsman 850 Touring SP 2015
Sportsman ACE 325 2014-2015
Sportsman ACE 570 2015
🛠️ Installation Tips
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Sprague Orientation: Pay close attention to the direction of the Sprague carrier during installation. Installing it backward will result in the AWD being permanently locked or failing to engage at all.
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Roller Retention: Use a small amount of thick assembly grease to hold the rollers and springs in place on the hub while sliding it into the ring gear. This prevents a roller from falling out and jamming the differential.
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Armature Plate Inspection: Always inspect your Armature Plate (the thin metal disc) for warping or "scalloping." If the plate is bent, even a brand-new hub won't engage properly because the magnet cannot pull it flat.
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Torque Sequence: When bolting the differential case halves back together, tighten the bolts in a criss-cross pattern. Uneven tightening can lead to case warpage and internal binding of the new hub.
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Flush the Case: Before installing the new assembly, spray the inside of the differential housing with brake cleaner to remove all metal shavings from the previous failure. Residual metal bits will quickly destroy the new bearings and seals.
🔍 Troubleshooting Guide
| Issue | Possible Cause | Solution |
| AWD Slipping Under Load | Cracked hub or worn rollers. | Under high torque, a cracked hub expands, allowing the rollers to slip. Replace the hub assembly to restore mechanical lock-up. |
| Front End "Clunking" | Broken Sprague springs. | If the small springs inside the carrier are broken, the rollers will move inconsistently, causing a loud clunking noise when AWD engages. |
| AWD Won't Engage (Electrical) | Magnet/Coil failure. | Check for 12V at the differential plug when the AWD switch is ON. If power is present but it won't lock, the internal magnetic coil may be dead. |
| AWD Stays Locked (OFF) | Warped armature plate. | If the front wheels stay locked in 4WD while the switch is OFF, the armature plate is likely "magnetized" or physically stuck to the coil. |
| Metal Shavings in Fluid | Hub or bearing disintegration. | If your diff fluid looks like "glitter," the hub is likely shredding. Replace the hub and flush the system immediately to save the ring gear. |
