ATV/UTV Drivetrain
ATV/UTV Drivetrain Parts at JJ Motorsports
Enhance your ATV or UTV's power transfer with rugged drivetrain components from JJ Motorsports. Our selection includes differential bearing/seal kits, drive shaft assemblies, reverse chains, and steel plates designed for superior strength, friction resistance, and easy installation in challenging off-road conditions. Compatible with Can-Am, Polaris, Kawasaki, and more, these parts exceed OEM specs for better traction, reduced wear, and reliable performance on trails or utility tasks.
Shop trusted brands like Moose Racing for precision kits. Explore related categories such as ATV/UTV engine parts for rebuilds or ATV/UTV braking for complete systems.
Top ATV/UTV Drivetrain Products
- MOOSE RACING Differential Bearing/Seal Kit - Can-Am - Front/Rear 25-2106 – High-speed EMQ bearings with advanced seals for optimal performance.
- MOOSE RACING Center Drive Shaft Bearing Assembly 25-1671 – Complete assembly with aggressive seals to keep out dirt and water.
- MOOSE RACING Transaxle Reverse Chain 25-8001 – Heat-treated for 4.5% stronger shear strength than OEM.
- MOOSE RACING Steel Drive Plates M80-7800-7 – 300% stronger than aluminum with increased flywheel effect for better traction.
- MOOSE RACING Differential Seal Kit - Front 25-2115-5 – High-quality rubber seals for leak-proof differential protection.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
EPI Clutch Kit WE437544
EPI
MSRP: $374.99Now: $337.49Was: $374.99If you're running oversized tires or frequently hauling loads, you're already fighting against power loss and sluggish throttle response. The EPI Clutch Kit WE437544 restores the low-end and midrange...11400731- SKU:
- 11400731
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- 30' - 32'
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
MSRP: $374.99Now: $337.49Was: $374.99Qty in Cart: 0Quantity:Price:MSRP: $374.99Now: $337.49Was: $374.99Subtotal: -
On Sale
EPI Clutch Kit WE437558
EPI
MSRP: $374.99Now: $337.49Was: $374.99If you're running oversized tires or regularly tackling trail, mud, and sand terrain, the EPI Clutch Kit WE437558 restores the low-end punch and responsive feel your machine loses with added weight...11400732- SKU:
- 11400732
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 30' - 32'
- RIDING STYLE:
- ATV
MSRP: $374.99Now: $337.49Was: $374.99Qty in Cart: 0Quantity:Price:MSRP: $374.99Now: $337.49Was: $374.99Subtotal: -
On Sale
EPI Clutch Kit WE437516
EPI
MSRP: $269.99Now: $242.99Was: $269.99If you're running oversized tires or frequently hauling loads, you've likely noticed power loss and sluggish throttle response. The EPI Clutch Kit WE437516 restores that crisp acceleration and...11400733- SKU:
- 11400733
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $269.99Now: $242.99Was: $269.99Qty in Cart: 0Quantity:Price:MSRP: $269.99Now: $242.99Was: $269.99Subtotal: -
On Sale
EPI Clutch Kit WE437205
EPI
MSRP: $249.99Now: $224.99Was: $249.99If you're running oversized tires on your UTV, you're already fighting power loss and sluggish throttle response—the EPI Clutch Kit WE437205 is engineered to reclaim both. This is our most versatile...11400735- SKU:
- 11400735
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
MSRP: $249.99Now: $224.99Was: $249.99Qty in Cart: 0Quantity:Price:MSRP: $249.99Now: $224.99Was: $249.99Subtotal: -
On Sale
EPI Clutch Rebuild Kit WE210937
EPI
MSRP: $219.99Now: $197.99Was: $219.99A worn primary clutch compromises your engine's power delivery and overall drivability, leading to sluggish acceleration and inconsistent engagement. This EPI Rebuild Kit provides all the precision...11400745- SKU:
- 11400745
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- STYLE:
- PRIMARY (DRIVE)
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- CLUTCH
- RIDING STYLE:
- UTV
MSRP: $219.99Now: $197.99Was: $219.99 -
On Sale
EPI Clutch Rebuild Kit WE210930
EPI
MSRP: $259.99Now: $233.99Was: $259.99A worn primary clutch can rob your engine of performance and cost you races. This complete EPI rebuild kit eliminates the guesswork by providing every component you need to restore your clutch to...11400746- SKU:
- 11400746
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- STYLE:
- PRIMARY (DRIVE)
- TYPE:
- CLUTCH
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
MSRP: $259.99Now: $233.99Was: $259.99 -
On Sale
EPI Clutch Button Kit - Polaris WE210166
EPI
MSRP: $65.99Now: $59.39Was: $65.99Primary clutch buttons wear down through normal operation, causing slippage, delayed engagement, and inconsistent power delivery. This complete rebuild kit eliminates the need to source individual...11400747- SKU:
- 11400747
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- UTV
- UNITS:
- 6 PACK
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- BUTTON KIT
- TYPE:
- PRIMARY CLUTCH
MSRP: $65.99Now: $59.39Was: $65.99 -
On Sale
EPI Button and Roller Kit - Polaris WE210167
EPI
MSRP: $144.99Now: $130.49Was: $144.99CVT performance depends on precise button and roller engagement—worn or damaged components compromise power transfer and reduce belt life. This OEM EPI replacement kit restores factory clutch...11400748- SKU:
- 11400748
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- BUTTON AND ROLLER KIT
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- TYPE:
- PRIMARY CLUTCH
MSRP: $144.99Now: $130.49Was: $144.99 -
On Sale
EPI Clutch Rebuild Kit WE210932
EPI
MSRP: $219.99Now: $197.99Was: $219.99Stock composite rollers in your Can Am primary clutch degrade quickly, causing flat-spotting that increases friction and kills responsive clutch engagement. This EPI rebuild kit replaces those worn...11400685- SKU:
- 11400685
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- STYLE:
- PRIMARY (DRIVE)
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH
MSRP: $219.99Now: $197.99Was: $219.99 -
On Sale
EPI Roller Kit WE210933
EPI
MSRP: $164.99Now: $148.49Was: $164.99A worn or damaged roller kit compromises belt alignment, increases friction, and accelerates wear across your entire drivetrain system. The EPI Roller Kit WE210933 restores precise pulley guidance...11400688- SKU:
- 11400688
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- TYPE:
- PRIMARY CLUTCH
- PRODUCT NAME:
- ROLLER KIT
- UNITS:
- KIT
MSRP: $164.99Now: $148.49Was: $164.99 -
On Sale
EPI Universal Joint - Arctic Cat WE100510
EPI
MSRP: $31.99Now: $28.79Was: $31.99Universal joints are critical drivetrain components that transfer power while accommodating misalignment between shaft connections. A worn or damaged universal joint will cause vibration, noise, and...12050207- SKU:
- 12050207
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- UNIVERSAL JOINT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- STYLE:
- WITH U-JOINT
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
MSRP: $31.99Now: $28.79Was: $31.99 -
On Sale
EPI Universal Joint - Polaris ATV WE100338
EPI
MSRP: $31.99Now: $28.79Was: $31.99A worn or damaged universal joint compromises power transfer efficiency and creates drivetrain vibration that accelerates wear on surrounding components. The EPI Universal Joint WE100338 restores...WE100338- SKU:
- WE100338
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- RIDING STYLE:
- ATV
- STYLE:
- WITH U-JOINT
- UNITS:
- KIT
- PRODUCT NAME:
- UNIVERSAL JOINT
- RIDING STYLE:
- UTV
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
MSRP: $31.99Now: $28.79Was: $31.99 -
On Sale
EPI Mud Clutch Kit - Polaris WE437350
EPI
MSRP: $259.99Now: $233.99Was: $259.99Upgrading to larger tires on your Polaris is a significant power investment—but without a clutch kit engineered for the added load, you'll face sluggish low-end response and belt slip that drains...11400624- SKU:
- 11400624
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- FOR TIRE SIZE IMPERIAL:
- 30'+
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $259.99Now: $233.99Was: $259.99 -
On Sale
EPI Roller Weights WE241018
EPI
MSRP: $64.99Now: $58.49Was: $64.99Roller weight tuning is critical for optimizing your CVT transmission's shift engagement and peak RPM performance. The EPI WE241018 delivers precision-calibrated weights that improve upshift...WE241018- SKU:
- WE241018
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- UTV
- STYLE:
- ROLLER
- UNITS:
- 8 PACK
- PRODUCT NAME:
- WEIGHT
- TYPE:
- CLUTCH
- RIDING STYLE:
- ATV
MSRP: $64.99Now: $58.49Was: $64.99 -
On Sale
EPI Drive Belt WE262025
EPI
MSRP: $164.99Now: $148.49Was: $164.99If you're running high horsepower and pushing aggressive riding conditions, belt slip and excessive clutch heat will kill your CVT's reliability and your lap times. The EPI Drive Belt WE262025 is...11420276- SKU:
- 11420276
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- RUBBER
- STYLE:
- RIBBED
- MATERIAL:
- ARAMID
- MODEL:
- SEVERE DUTY
- PRODUCT NAME:
- DRIVE BELT
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- TYPE:
- DOUBLE-COGGED
- UNITS:
- EACH
MSRP: $164.99Now: $148.49Was: $164.99 -
GATES Drive Belt 23C3836
GATES
$194.77A worn or inadequate drive belt compromises power delivery to your engine's accessories—leaving you with sluggish throttle response and inconsistent performance when you need it most. The GATES Drive...11420482- SKU:
- 11420482
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- LENGTH:
- 1003,3 MM (39-1/2')
- MATERIAL:
- RUBBER
- MODEL:
- G-FORCE™ C12™
- RIDING STYLE:
- ATV
- STYLE:
- RIBBED
- TYPE:
- TOP-COG
- UNITS:
- EACH
- MATERIAL:
- NEOPRENE
- LENGTH IMPERIAL:
- 39-1/2'
- LENGTH METRIC:
- 1003.3 MM
- MATERIAL:
- ARAMID
- PRODUCT NAME:
- DRIVE BELT
$194.77 -
GATES Drive Belt 27R4159
GATES
$208.31If you're running a high-performance platform that demands reliability under extreme acceleration and variable torque loads, the GATES Drive Belt 27R4159 is engineered to deliver the stiffness, heat...11420898- SKU:
- 11420898
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- UNITS:
- EACH
- MATERIAL:
- ETHYLENE ELASTOMER
- MODEL:
- G-FORCE REDLINE™
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- DRIVE BELT
$208.31 -
GATES Drive Belt 28R3636
GATES
$164.31If you're running a high-performance platform that demands reliable power transfer under extreme acceleration and variable torque loads, the GATES Drive Belt 28R3636 is engineered to deliver. This...11420899- SKU:
- 11420899
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- UTV
- UNITS:
- EACH
- PRODUCT NAME:
- DRIVE BELT
- MATERIAL:
- ETHYLENE ELASTOMER
- MODEL:
- G-FORCE REDLINE™
$164.31 -
GATES Drive Belt 30R3750
GATES
$202.46If you're running a high-performance platform that demands consistent power delivery under extreme acceleration, the GATES Drive Belt 30R3750 is engineered to handle the rapid torque spikes and...11420901- SKU:
- 11420901
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- RIDING STYLE:
- UTV
- UNITS:
- EACH
- MATERIAL:
- ETHYLENE ELASTOMER
- MODEL:
- G-FORCE REDLINE™
- PRODUCT NAME:
- DRIVE BELT
- RIDING STYLE:
- ATV
$202.46 -
GATES Drive Belt 47R4266
GATES
$208.31If you're running a high-performance platform that demands precision belt control under extreme acceleration and variable torque loads, the GATES Drive Belt 47R4266 is engineered to deliver. Built...11420902- SKU:
- 11420902
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- RIDING STYLE:
- UTV
- UNITS:
- EACH
- PRODUCT NAME:
- DRIVE BELT
- MATERIAL:
- ETHYLENE ELASTOMER
- MODEL:
- G-FORCE REDLINE™
$208.31
