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Polaris RZR Accessories

RZR (2 Seat)

Polaris RZR 4 Accessories

RZR (4 Seat)

Polaris RZR RS1 Accessories

RZR RS1

Polaris ACE Accessories

Polaris ACE

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Front Differential

There’s a common misconception among Polaris RZR 4 owners that the front differential cannot handle large aftermarket tires. And while big wheels do translate a great deal more stress to your machine’s drive train, the fact of the matter is that a stock RZR 4 front diff will handle 30”, 32”, and even 33” tires with no problem. Most of the time, it’s not the tires fault, and you cannot blame that for issues that you’re experiencing. If oil is leaking out of your new or used front differential, you should have a close inspection of the seals when you disassemble it. Rebuilding the front diff on your RZR 4 is not too difficult if that’s the route you want to take. Just take pictures as you go so you know how it all goes back together and move slowly. You might find that the factory bolts are too short in the front diff, so replacing them with longer ones is definitely a good thing to do. Additionally, if you’re wanting a bulkier front differential in your four-seater RZR, you can throw a turbo differential in there. If you get an adapter plate, you can also put an RS1 differential in your RZR. So if you’re not satisfied with the performance or durability of your stock RZR front differential, there are many options out there.

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In addition to installing aftermarket differentials or diffs from other RZR models in your machine, in many cases, a faulty component or constituent differential part is the culprit. Replacing the front differential Sprague with an aluminum one from a company like SATV, putting in new differential bearings, swapping out the diff seals, and exchanging the armature plate for a new one are all ways to save an old differential from the junkyard and extend its life -- and thereby saving you money. Regardless if you do the work or you take your rig to a dealer, it is important to use Locktite when installing the four front differential bolts that attach the diff to the cage of the RZR. And because most mechanics use air drivers, it’s not uncommon for them to strip the bolt threads when working on the front diff. You can check this by looking at the first half of the threads. If they appear kind of melted, they are likely stripped. Poor dealer service is always a challenge. However, if they don’t already, make sure your dealer records the mileage, hours, and other applicable stats on your RZR when you take it in to get work done. That way, you have a defensible argument should there be issues in the future.

Shop 2019 RZR 4 Models: 2019 RZR 4 XP 1000 Front Differential | 2019 RZR 4 XP Turbo Front Differential | 2019 RZR 4 XP Turbo S Front Differential | 2019 RZR 4 S 1000 Front Differential

Shop 2020 RZR 4 Models: 2020 RZR 4 S 1000 Front Differential | 2020 RZR 4 XP 1000 Front Differential | 2020 RZR 4 XP Turbo Front Differential | 2020 RZR 4 XP Turbo S Front Differential | 2020 RZR 4 Pro XP Front Differential

Shop 2021 RZR 4 Models: 2021 RZR 4 Pro XP Front Differential | 2021 RZR 4 XP 1000 Front Differential | 2021 RZR 4 XP Turbo Front Differential | 2021 RZR 4 XP Turbo S Front Differential

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