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 Universal Joint - Polaris WE100999
EPI
MSRP: $32.99Now: $29.69Was: $32.99Universal joints are critical drivetrain components that transmit torque while allowing for angular misalignment between shafts. Over time, OEM joints wear out from constant stress, leading to...12050252- SKU:
- 12050252
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- STYLE:
- WITH U-JOINT
- PRODUCT NAME:
- UNIVERSAL JOINT
- TYPE:
- TYPE TWO (OUTSIDE SNAP RINGS)
- UNITS:
- KIT
- RIDING STYLE:
- UTV
MSRP: $32.99Now: $29.69Was: $32.99 -
On Sale
EPI Universal Joint - Kawasaki/Suzuki ATV WE100285
EPI
MSRP: $31.99Now: $28.79Was: $31.99A worn or damaged universal joint compromises power delivery to your wheels and creates dangerous vibration under acceleration. The EPI Universal Joint restores the smooth, efficient connection...12050154- SKU:
- 12050154
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- RIDING STYLE:
- ATV
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
- PRODUCT NAME:
- UNIVERSAL JOINT
- STYLE:
- WITH U-JOINT
- UNITS:
- KIT
MSRP: $31.99Now: $28.79Was: $31.99 -
On Sale
EPI Universal Joint - Yamaha ATV WE100290
EPI
MSRP: $31.99Now: $28.79Was: $31.99A worn or damaged universal joint compromises your ATV's drivetrain efficiency and can lead to costly secondary damage if left unaddressed. The EPI Universal Joint (WE100290) restores smooth power...12050158- SKU:
- 12050158
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
- PRODUCT NAME:
- UNIVERSAL JOINT
- UNITS:
- KIT
- STYLE:
- WITH U-JOINT
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
MSRP: $31.99Now: $28.79Was: $31.99 -
On Sale
EPI Universal Joint - Kawasaki ATV WE100240
EPI
MSRP: $31.99Now: $28.79Was: $31.99A worn or damaged universal joint compromises driveline efficiency and creates vibration that accelerates wear on surrounding components. The EPI Universal Joint (WE100240) restores precise power...12050171- SKU:
- 12050171
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- UNIVERSAL JOINT
- STYLE:
- WITH U-JOINT
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
- UNITS:
- KIT
MSRP: $31.99Now: $28.79Was: $31.99 -
On Sale
EPI Weight Bushing - 3 Pack WB
EPI
MSRP: $23.99Now: $21.59Was: $23.99Worn bushings compromise suspension geometry and introduce unwanted play in critical pivot points, degrading handling precision and accelerating wear on connected components. The EPI Weight Bushing...WB- SKU:
- WB
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- BUSHING
- TYPE:
- CLUTCH WEIGHT
- UNITS:
- 3 PACK
MSRP: $23.99Now: $21.59Was: $23.99 -
On Sale
EPI Universal Joint - Kawasaki WE100200
EPI
MSRP: $32.99Now: $29.69Was: $32.99A worn or damaged universal joint compromises your drivetrain's efficiency and can lead to costly transmission damage if left unaddressed. The EPI Universal Joint WE100200 delivers OEM-equivalent...WE100200- SKU:
- WE100200
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- PRODUCT NAME:
- UNIVERSAL JOINT
- RIDING STYLE:
- UTV
- STYLE:
- WITH U-JOINT
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
MSRP: $32.99Now: $29.69Was: $32.99 -
On Sale
EPI Universal Joint - Polaris ATV WE100507
EPI
MSRP: $32.99Now: $29.69Was: $32.99Universal joints are critical drivetrain components that transmit torque while accommodating misalignment between your driveshaft and differentials. A worn OEM joint introduces vibration, clunking,...WE100507- SKU:
- WE100507
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- PRODUCT NAME:
- UNIVERSAL JOINT
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- STYLE:
- WITH U-JOINT
MSRP: $32.99Now: $29.69Was: $32.99Qty in Cart: 0Quantity:Price:MSRP: $32.99Now: $29.69Was: $32.99Subtotal: -
On Sale
EPI Universal Joint - Yamaha WE100600
EPI
MSRP: $32.99Now: $29.69Was: $32.99Universal joints are critical drivetrain components that transmit rotational force while accommodating shaft misalignment—wear or failure directly impacts drivability and safety. The EPI WE100600...WE100600- SKU:
- WE100600
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- ATV
- STYLE:
- WITH U-JOINT
- UNITS:
- KIT
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
- PRODUCT NAME:
- UNIVERSAL JOINT
MSRP: $32.99Now: $29.69Was: $32.99Qty in Cart: 0Quantity:Price:MSRP: $32.99Now: $29.69Was: $32.99Subtotal: -
On Sale
EPI Universal Joint - Polaris ATV WE100811
EPI
MSRP: $31.99Now: $28.79Was: $31.99Universal joints are critical wear items that transmit power from your driveshaft while accommodating suspension travel and angular misalignment. A worn or damaged U-joint compromises drivetrain...WE100811- SKU:
- WE100811
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- UNIVERSAL JOINT
- TYPE:
- TYPE TWO (OUTSIDE SNAP RINGS)
- RIDING STYLE:
- ATV
- STYLE:
- WITH U-JOINT
- UNITS:
- KIT
MSRP: $31.99Now: $28.79Was: $31.99Qty in Cart: 0Quantity:Price:MSRP: $31.99Now: $28.79Was: $31.99Subtotal: -
On Sale
EPI Universal Joint - Polaris ATV WE100995
EPI
MSRP: $31.99Now: $28.79Was: $31.99Universal joints are critical wear items that directly impact drivetrain reliability and power delivery to your wheels. A worn or damaged joint introduces vibration, slop, and potential catastrophic...WE100995- SKU:
- WE100995
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
- PRODUCT NAME:
- UNIVERSAL JOINT
- RIDING STYLE:
- UTV
- STYLE:
- WITH U-JOINT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
MSRP: $31.99Now: $28.79Was: $31.99 -
On Sale
EPI Clutch Kit WE391020
EPI
MSRP: $249.99Now: $224.99Was: $249.99If you're running oversized tires or frequently hauling loads, your stock clutch kit is likely sacrificing low-end power and throttle response. The EPI Clutch Kit WE391020 restores the acceleration...WE391020- SKU:
- WE391020
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- RIDING STYLE:
- ATV
- ELEVATION IMPERIAL:
- 0' - 3000'
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- TYPE:
- CENTRIFUGAL
MSRP: $249.99Now: $224.99Was: $249.99 -
On Sale
EPI Clutch Kit WE412500
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running stock power and want genuine all-around performance gains without chasing one-dimensional setup compromises, the EPI Clutch Kit WE412500 delivers where it counts—better low-to-mid...WE412500- SKU:
- WE412500
- Availability:
- Ships Same Business Day
- Weight:
- 2.69 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- STOCK
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
MSRP: $354.99Now: $319.49Was: $354.99Qty in Cart: 0Quantity:Price:MSRP: $354.99Now: $319.49Was: $354.99Subtotal: -
On Sale
EPI Clutch Kit WE414001
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running varied terrain—from rocky trails to muddy bogs to sandy washes—you need a clutch kit engineered to handle the demands of mixed-condition riding without sacrificing performance. The...WE414001- SKU:
- WE414001
- Availability:
- Ships Same Business Day
- Weight:
- 2.63 LBS
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
MSRP: $354.99Now: $319.49Was: $354.99 -
On Sale
EPI Clutch Kit WE425005
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running oversized tires or demanding more responsive power delivery across variable terrain, the EPI Clutch Kit WE425005 is engineered to compensate for those modifications and keep your...WE425005- SKU:
- WE425005
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
MSRP: $354.99Now: $319.49Was: $354.99 -
On Sale
EPI Clutch Kit WE425007
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running oversized tires or pushing your machine harder—whether on trails, in mud, or hauling loads—you need a clutch kit engineered to compensate for the added stress and deliver responsive...WE425007- SKU:
- WE425007
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- TYPE:
- CENTRIFUGAL
MSRP: $354.99Now: $319.49Was: $354.99Qty in Cart: 0Quantity:Price:MSRP: $354.99Now: $319.49Was: $354.99Subtotal: -
On Sale
EPI Clutch Kit WE434002
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running oversized tires or frequently tackling variable terrain—from trails to sand to mud—you're losing power and responsiveness at the most critical moments. The EPI Clutch Kit WE434002...WE434002- SKU:
- WE434002
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- TYPE:
- CENTRIFUGAL
MSRP: $354.99Now: $319.49Was: $354.99Qty in Cart: 0Quantity:Price:MSRP: $354.99Now: $319.49Was: $354.99Subtotal: -
On Sale
EPI Clutch Kit WE435003
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running oversized tires or tackling variable terrain—from trails to work duties—the EPI Clutch Kit WE435003 restores the power delivery your vehicle loses and sharpens throttle response...WE435003- SKU:
- WE435003
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- UTV
MSRP: $354.99Now: $319.49Was: $354.99 -
On Sale
EPI Clutch Kit WE435010
EPI
MSRP: $354.99Now: $319.49Was: $354.99The EPI Clutch Kit WE435010 is engineered for riders who demand responsive throttle feel and consistent power delivery across varied terrain. Whether you're navigating tight trails, tackling mud and...WE435010- SKU:
- WE435010
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- TYPE:
- CENTRIFUGAL
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
MSRP: $354.99Now: $319.49Was: $354.99Qty in Cart: 0Quantity:Price:MSRP: $354.99Now: $319.49Was: $354.99Subtotal: -
On Sale
EPI Clutch Kit WE475001B
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running a stock motor and want reliable clutch engagement across varied terrain, the EPI Clutch Kit WE475001B delivers measurable improvements in acceleration response and heat management...WE475001B- SKU:
- WE475001B
- Availability:
- Ships Same Business Day
- Weight:
- 2.63 LBS
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- UNITS:
- KIT
MSRP: $354.99Now: $319.49Was: $354.99 -
On Sale
EPI Primary Bushing - EBS PMB712
EPI
MSRP: $29.99Now: $26.99Was: $29.99Engine primary bushings are critical wear components that support the crankshaft and manage rotational stress in high-performance applications. Over time, factory bushings degrade under sustained RPM...PMB712- SKU:
- PMB712
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- STYLE:
- EBS
- RIDING STYLE:
- ATV
- TYPE:
- PRIMARY CLUTCH
- UNITS:
- EACH
- STYLE:
- MOVABLE SHEAVE
- PRODUCT NAME:
- CLUTCH BUSHING
- RIDING STYLE:
- UTV
MSRP: $29.99Now: $26.99Was: $29.99Qty in Cart: 0Quantity:Price:MSRP: $29.99Now: $26.99Was: $29.99Subtotal:
