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
-
On Sale
EPI Driveshaft Bearing Assembly WE528001
EPI
MSRP: $85.99Now: $77.39Was: $85.99A worn or damaged center driveshaft support bearing will introduce excessive vibration, noise, and premature wear to your entire drivetrain system. The EPI Driveshaft Bearing Assembly WE528001...12050277- SKU:
- 12050277
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- TYPE:
- DRIVE SHAFT
- UNITS:
- EACH
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- UTV
MSRP: $85.99Now: $77.39Was: $85.99 -
On Sale
EPI Yoke Propeller Shaft - With U-Joint WE171030U
EPI
MSRP: $116.99Now: $105.29Was: $116.99A worn or damaged yoke propeller shaft compromises both drivetrain efficiency and safety, especially under load or aggressive driving conditions. The EPI Yoke Propeller Shaft with U-Joint delivers...12050354- SKU:
- 12050354
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- MATERIAL:
- SCR440 STEEL
- STYLE:
- WITH U-JOINT
- UNITS:
- EACH
- TYPE:
- PROPELLER
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- SHAFT
- RIDING STYLE:
- ATV
MSRP: $116.99Now: $105.29Was: $116.99 -
On Sale
EPI Yoke Propeller Shaft - With U-Joint WE171031U
EPI
MSRP: $116.99Now: $105.29Was: $116.99A worn or damaged yoke propeller shaft compromises driveline efficiency and can lead to vibration, noise, and costly drivetrain damage. The EPI Yoke Propeller Shaft with U-Joint WE171031U restores...12050355- SKU:
- 12050355
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MATERIAL:
- SCR440 STEEL
- STYLE:
- WITH U-JOINT
- UNITS:
- EACH
- PRODUCT NAME:
- SHAFT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- TYPE:
- PROPELLER
MSRP: $116.99Now: $105.29Was: $116.99 -
On Sale
EPI Yoke Propeller Shaft - With U-Joint WE171032U
EPI
MSRP: $116.99Now: $105.29Was: $116.99A worn or damaged propeller shaft compromises power transfer and introduces dangerous vibration throughout your drivetrain. The EPI Yoke Propeller Shaft with U-Joint restores the precise tolerances...12050356- SKU:
- 12050356
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- MATERIAL:
- SCR440 STEEL
- RIDING STYLE:
- UTV
- UNITS:
- EACH
- RIDING STYLE:
- ATV
- STYLE:
- WITH U-JOINT
- TYPE:
- PROPELLER
- PRODUCT NAME:
- SHAFT
MSRP: $116.99Now: $105.29Was: $116.99 -
On Sale
EPI Differential Seal Kit - Rear WE290110
EPI
MSRP: $21.99Now: $19.79Was: $21.99A leaking differential is a performance killer—it compromises gear lubrication, increases friction, and accelerates wear on critical drivetrain components. The EPI Differential Seal Kit WE290110...12050367- SKU:
- 12050367
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- STREET
- TYPE:
- DIFFERENTIAL
- UNITS:
- KIT
MSRP: $21.99Now: $19.79Was: $21.99 -
On Sale
EPI Differential Seal Kit - Front WE290113
EPI
MSRP: $19.99Now: $17.99Was: $19.99Differential seal degradation leads to oil leakage, contamination, and premature bearing wear—ultimately compromising your differential's reliability and performance. The EPI Differential Seal Kit...12050370- SKU:
- 12050370
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- DIFFERENTIAL
MSRP: $19.99Now: $17.99Was: $19.99Qty in Cart: 0Quantity:Price:MSRP: $19.99Now: $17.99Was: $19.99Subtotal: -
On Sale
EPI Differential Seal Kit - Rear WE290114
EPI
MSRP: $26.99Now: $24.29Was: $26.99Differential seals degrade over time, leading to oil leaks that compromise lubrication and accelerate wear on internal gears. The EPI Differential Seal Kit restores a complete seal package,...12050371- SKU:
- 12050371
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- STREET
- TYPE:
- DIFFERENTIAL
MSRP: $26.99Now: $24.29Was: $26.99 -
On Sale
EPI Differential Seal Kit - Rear WE290119
EPI
MSRP: $21.99Now: $19.79Was: $21.99Differential seal degradation leads to fluid leakage, contamination, and accelerated wear on gear teeth—all of which compromise driveline reliability and performance. The EPI Differential Seal Kit...12050374- SKU:
- 12050374
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- DIFFERENTIAL
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING AND SEAL KIT
- UNITS:
- KIT
MSRP: $21.99Now: $19.79Was: $21.99 -
On Sale
EPI Universal Joint - Can-Am WE100997
EPI
MSRP: $35.99Now: $32.39Was: $35.99A worn or damaged universal joint compromises driveline integrity and can lead to vibration, noise, and catastrophic drivetrain failure. The EPI Universal Joint (WE100997) is a direct OEM-quality...12050190- SKU:
- 12050190
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- PRODUCT NAME:
- UNIVERSAL JOINT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- STYLE:
- WITH U-JOINT
- RIDING STYLE:
- UTV
- TYPE:
- TYPE TWO (OUTSIDE SNAP RINGS)
MSRP: $35.99Now: $32.39Was: $35.99 -
On Sale
EPI Economy Clutch Kit AW436500
EPI
MSRP: $99.99Now: $89.99Was: $99.99Trail riding demands responsive clutch engagement that keeps your belt and drivetrain working in harmony, especially across varying terrain and tire sizes. The EPI Economy Clutch Kit AW436500...AW436500- SKU:
- AW436500
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
- FOR TIRE SIZE IMPERIAL:
- ANY
- UNITS:
- KIT
MSRP: $99.99Now: $89.99Was: $99.99Qty in Cart: 0Quantity:Price:MSRP: $99.99Now: $89.99Was: $99.99Subtotal: -
On Sale
EPI Universal Joint - Kawasaki WE101001
EPI
MSRP: $34.99Now: $31.49Was: $34.99Universal joints are critical drivetrain components that transfer torque while accommodating misalignment between shaft sections. Worn or damaged joints introduce vibration, noise, and power...12050275- SKU:
- 12050275
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PRODUCT NAME:
- UNIVERSAL JOINT
- STYLE:
- WITH U-JOINT
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
- UNITS:
- EACH
- RIDING STYLE:
- UTV
MSRP: $34.99Now: $31.49Was: $34.99Qty in Cart: 0Quantity:Price:MSRP: $34.99Now: $31.49Was: $34.99Subtotal: -
On Sale
EPI Yoke Propeller Shaft - With U-Joint WE171034U
EPI
MSRP: $116.99Now: $105.29Was: $116.99A worn or damaged yoke can compromise your entire driveline, causing vibration, noise, and premature U-joint failure. The EPI Yoke Propeller Shaft restores OEM-level performance and reliability,...12050358- SKU:
- 12050358
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- PRODUCT NAME:
- SHAFT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- UNITS:
- EACH
- MATERIAL:
- SCR440 STEEL
- STYLE:
- WITH U-JOINT
- TYPE:
- PROPELLER
MSRP: $116.99Now: $105.29Was: $116.99 -
On Sale
EPI Differential Seal Kit - Front WE290103
EPI
MSRP: $26.99Now: $24.29Was: $26.99A leaking differential is a silent threat to your drivetrain—oil loss compromises bearing lubrication, accelerates wear, and can lead to catastrophic failure on the track or trail. The EPI...12050363- SKU:
- 12050363
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- STREET
- TYPE:
- DIFFERENTIAL
MSRP: $26.99Now: $24.29Was: $26.99 -
On Sale
EPI Differential Seal Kit - Rear WE290111
EPI
MSRP: $29.99Now: $26.99Was: $29.99Differential seals are critical wear items that directly impact gear oil retention and drivetrain longevity. Over time, factory seals degrade from heat cycles and friction, leading to oil seepage...12050368- SKU:
- 12050368
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- STREET
- TYPE:
- DIFFERENTIAL
MSRP: $29.99Now: $26.99Was: $29.99Qty in Cart: 0Quantity:Price:MSRP: $29.99Now: $26.99Was: $29.99Subtotal: -
On Sale
EPI Differential Seal Kit - Front WE290122
EPI
MSRP: $16.99Now: $15.29Was: $16.99Differential seal failure compromises your drivetrain's integrity, allowing oil to escape and contaminants to enter—a recipe for catastrophic gear damage. The EPI Differential Seal Kit WE290122 gives...12050376- SKU:
- 12050376
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- DIFFERENTIAL
- UNITS:
- KIT
MSRP: $16.99Now: $15.29Was: $16.99 -
On Sale
EPI Differential Seal Kit - Rear WE290124
EPI
MSRP: $21.99Now: $19.79Was: $21.99Differential seal degradation accelerates wear on internal components and invites fluid contamination—compromising gear mesh precision and overall drivetrain reliability. This EPI Differential Seal...12050377- SKU:
- 12050377
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- STREET
- TYPE:
- DIFFERENTIAL
- UNITS:
- KIT
MSRP: $21.99Now: $19.79Was: $21.99Qty in Cart: 0Quantity:Price:MSRP: $21.99Now: $19.79Was: $21.99Subtotal: -
On Sale
EPI Differential Bearing/Seal Kit - Front WE290125
EPI
MSRP: $95.99Now: $86.39Was: $95.99A differential rebuild requires precision and reliability—worn seals lead to fluid leaks, contamination, and catastrophic gear failure. This EPI kit supplies all necessary seals to restore your...12050378- SKU:
- 12050378
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- RIDING STYLE:
- UTV
- TYPE:
- DIFFERENTIAL
- POSITION:
- FRONT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- UNITS:
- KIT
MSRP: $95.99Now: $86.39Was: $95.99 -
On Sale
EPI Differential Bearing/Seal Kit - Front WE290135
EPI
MSRP: $109.99Now: $98.99Was: $109.99Differential seal failure compromises both performance and longevity—allowing fluid leakage that accelerates wear on gears and bearings. The EPI WE290135 Differential Bearing/Seal Kit provides...12050387- SKU:
- 12050387
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- ATV
- TYPE:
- DIFFERENTIAL
- POSITION:
- FRONT
- UNITS:
- KIT
- RIDING STYLE:
- UTV
MSRP: $109.99Now: $98.99Was: $109.99 -
On Sale
EPI Differential Bearing/Seal Kit - Rear WE290136
EPI
MSRP: $127.99Now: $115.19Was: $127.99A worn differential is a ticking time bomb for driveline reliability. When seals degrade, metal shavings circulate through your gear oil, accelerating bearing wear and risking catastrophic failure on...12050388- SKU:
- 12050388
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- POSITION:
- REAR
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- ATV
- TYPE:
- DIFFERENTIAL
MSRP: $127.99Now: $115.19Was: $127.99 -
On Sale
EPI Universal Joint - Suzuki WE100280
EPI
MSRP: $32.99Now: $29.69Was: $32.99A worn or damaged universal joint compromises power transfer efficiency and creates dangerous drivetrain vibration—replacing it is essential maintenance, not optional. The EPI Universal Joint...12050205- SKU:
- 12050205
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- ATV
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
- PRODUCT NAME:
- UNIVERSAL JOINT
- STYLE:
- WITH U-JOINT
- UNITS:
- KIT
MSRP: $32.99Now: $29.69Was: $32.99
