Polaris RZR XP 1000 Transmission Case


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A Better Transmission Case
We were tired of blowing our
transmission whenever we made a minor mistake behind the wheel of our Polaris
RZR XP 1000. That’s why we designed and built a better, beefier GDP
transmission case. Get our Heavy-Duty Transmission Case and instead of sitting
at home for weeks praying to the warranty gods, you can get back on the trail
and abuse your machine all you want. No matter how you drive, our GDP
transmission case can take it.

Beefed up in All the Right

We made our cast aluminum transmission stronger in all
the right places but only added 1 lb of material over stock. Our snorkel tube
and axle output has 68% more metal, plus additional support ribs and gussets.
Those gussets and fins also help to keep your transmission run cooler because
cooler gears run smoother. We went overboard on strength to ensure this is the
longest lasting and best designed transmission you can get for your RZR XP

<!– Billet or Cast
Choose a billet or
cast aluminum case for your transmission. Our billet case is CNC machined
right here in Madison, Indiana and gives you increased yield strength and
consistency over cast. Plus, they look good—It’s bulletproof performance you
can see.

–> Ride How You Want To
Get your
drivetrain in gear and ride how you want to with a SuperATV Transmission Case.
If you’re tired of feathering the gas, riding the brakes, and going around
obstacles, it’s time to upgrade to a GDP Transmission Case. It’s time to ride
with confidence.


  • Professional
    installation of this transmission case is highly recommended. Damage due to
    improper installation is not covered under warranty.
  • Compatible with
    OEM Polaris and SuperATV
    HD Pinion Shafts

    • Made of cast aluminum
    • Designed to address OEM weak
    • More support ribs and gussets than stock
    • Extra fins
      help keep your transmission cool
    • 68% more metal reinforcing the
      snorkel tube and axle output areas
    • Includes all necessary seals,
      plugs, and shifter shim
    • Each half is compatible with OEM


    • Polaris RZR XP 1000 : 2014-2023
    • Polaris RZR XP 1000 High
      Lifter edition: 2015-2023
    • Polaris RZR XP 1000 Trails and Rocks
      edition : 2017-2023
    • Polaris RZR XP 4 1000 : 2014-2023
    • Polaris RZR XP 4 1000 High Lifter edition: 2016-2023

    Additional information



    Transmission Options

    Complete Transmission Case, Left (Snorkel Side), Right