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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EPI Differential Bearing/Seal Kit - Rear WE290134
EPI
$95.99Includes all the seals needed to rebuild the front or rear differential, Made using NBR (nitrile butadiene rubber) seals for extra oil resistance and longer life, Components vary by model12050386- SKU:
- 12050386
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- RIDING STYLE:
- UTV
- POSITION:
- REAR
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- TYPE:
- DIFFERENTIAL
$95.99 -
EPI Differential Bearing/Seal Kit - Rear WE290137
EPI
$219.99Includes all the seals needed to rebuild the front or rear differential, Made using NBR (nitrile butadiene rubber) seals for extra oil resistance and longer life, Components vary by model12050389- SKU:
- 12050389
- Availability:
- Ships Same Business Day
- Weight:
- 5.85 LBS
- TYPE:
- DIFFERENTIAL
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- POSITION:
- REAR
- RIDING STYLE:
- UTV
$219.99Qty in Cart: 0Quantity:Price:$219.99Subtotal: -
EPI Differential Bearing/Seal Kit - Front WE290138
EPI
$84.99Includes all the seals needed to rebuild the front or rear differential, Made using NBR (nitrile butadiene rubber) seals for extra oil resistance and longer life, Components vary by model12050390- SKU:
- 12050390
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- RIDING STYLE:
- UTV
- POSITION:
- FRONT
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING AND SEAL KIT
- RIDING STYLE:
- ATV
- TYPE:
- DIFFERENTIAL
$84.99 -
EPI Universal Joint - Arctic Cat ATV WE100515
EPI
$32.99Universal joints are high-quality replacements for OEM parts12050156- SKU:
- 12050156
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- PRODUCT NAME:
- UNIVERSAL JOINT
- STYLE:
- WITH U-JOINT
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
$32.99 -
EPI Universal Joint - Kawasaki/Suzuki ATV WE100230
EPI
$32.99Universal joints are high-quality replacements for OEM parts12050157- SKU:
- 12050157
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- UNIVERSAL JOINT
- UNITS:
- KIT
- STYLE:
- WITH U-JOINT
- RIDING STYLE:
- ATV
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
$32.99 -
EPI Universal Joint - Can-Am WE100996
EPI
$31.99Universal joints are high-quality replacements for OEM parts12050189- SKU:
- 12050189
- Availability:
- Ships Same Business Day
- Weight:
- 0.49 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- PRODUCT NAME:
- UNIVERSAL JOINT
- STYLE:
- WITH U-JOINT
- TYPE:
- TYPE TWO (OUTSIDE SNAP RINGS)
$31.99 -
EPI Economy Clutch Kit AW433600
EPI
$99.99For general trail riding, Works with any size tire, Improves belt grip and back shift, Spring kit only; no clutch weights are includedAW433600- SKU:
- AW433600
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- FOR TIRE SIZE IMPERIAL:
- ANY
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- TYPE:
- CENTRIFUGAL
$99.99 -
EPI Button Kit - P90 CX400042
EPI
$82.99Meet or exceed OEM quality, For P85 and P90 clutches, Each clutch requires three buttonsCX400042- SKU:
- CX400042
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- PRODUCT NAME:
- BUTTON KIT
- RIDING STYLE:
- SNOW
- COLOR/FINISH:
- BLACK
- STYLE:
- SECONDARY (DRIVEN)
- TYPE:
- CLUTCH
- UNITS:
- 12 PACK
- FOR CLUTCH TYPE:
- P90
$82.99 -
EPI Clutch Rebuild Kit WE210145
EPI
$195.99Improved rebuild kits let you completely rebuild your primary clutch with just one kit, Kits can include cover bushing, movable bushing, weight pins, weight pin nuts, buttons, button shims, O-rings, rollers, roller pins and roller washers; kit components...WE210145- SKU:
- WE210145
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- CLUTCH
- RIDING STYLE:
- UTV
- STYLE:
- PRIMARY (DRIVE)
- UNITS:
- KIT
$195.99 -
EPI Clutch Rebuild Kit WE210155
EPI
$219.99Improved Rebuild Kit for Primary Clutch - WE210155 Comprehensive rebuild solution for your primary clutch. Includes essential components like cover bushing and movable bushing. Features weight pins, weight pin nuts, and buttons for enhanced...WE210155- SKU:
- WE210155
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- UTV
- STYLE:
- PRIMARY (DRIVE)
- TYPE:
- CLUTCH
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- REBUILD KIT
$219.99 -
EPI Clutch Rebuild Kit WE210165
EPI
$219.99Improved Rebuild Kits WE210165 Comprehensive solution for a complete primary clutch rebuild. Includes essential components like cover bushing and movable bushing. Features weight pins, weight pin nuts, and buttons for enhanced performance. ...WE210165- SKU:
- WE210165
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- UTV
- STYLE:
- PRIMARY (DRIVE)
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- CLUTCH
- UNITS:
- KIT
- RIDING STYLE:
- ATV
$219.99 -
EPI Clutch Rebuild Kit WE210175
EPI
$259.99Improved Rebuild Kit WE210175 Complete rebuild solution for your primary clutch. Includes essential components such as cover bushing and movable bushing. Features weight pins, weight pin nuts, and buttons for optimal performance. Comes...WE210175- SKU:
- WE210175
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- STYLE:
- PRIMARY (DRIVE)
- TYPE:
- CLUTCH
$259.99 -
EPI Clutch Rebuild Kit WE210180
EPI
$259.99Improved Rebuild Kit WE210180 Comprehensive solution for primary clutch rebuilding Includes essential components like cover bushing and movable bushing Comes with weight pins and weight pin nuts for optimal performance Features buttons,...WE210180- SKU:
- WE210180
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- STYLE:
- PRIMARY (DRIVE)
- TYPE:
- CLUTCH
- UNITS:
- KIT
$259.99 -
EPI Roller Weights WE241012
EPI
$64.99Fine-Tune Upshift/Ppeak RPM - WE241012 Precision-engineered for optimal performance Enhances upshift capabilities for smoother transitions Allows for peak RPM adjustments tailored to your needs Durable plating ensures long-lasting...WE241012- SKU:
- WE241012
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- CLUTCH
- RIDING STYLE:
- ATV
- UNITS:
- 8 PACK
- PRODUCT NAME:
- WEIGHT
- RIDING STYLE:
- UTV
- STYLE:
- ROLLER
$64.99Qty in Cart: 0Quantity:Price:$64.99Subtotal: -
EPI Roller Weights WE241016
EPI
$64.99Fine-Tune Upshift/Peark RPM - WE241016 Precision adjustment for optimal performance Durable plating enhances strength and longevity Designed for seamless integration with existing systems Lightweight construction for improved handling ...WE241016- SKU:
- WE241016
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- UTV
- TYPE:
- CLUTCH
- UNITS:
- 8 PACK
- STYLE:
- ROLLER
- PRODUCT NAME:
- WEIGHT
- RIDING STYLE:
- ATV
$64.99 -
EPI Roller Weights WE241020
EPI
$64.99Fine-Tune Upshift/Peark RPM - WE241020 Precision tuning for optimal performance Enhances upshift capabilities for smoother transitions Designed to withstand high RPM demands Durable plating for added strength and longevity Easy...WE241020- SKU:
- WE241020
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- STYLE:
- ROLLER
- RIDING STYLE:
- ATV
- UNITS:
- 8 PACK
- PRODUCT NAME:
- WEIGHT
- RIDING STYLE:
- UTV
- TYPE:
- CLUTCH
$64.99 -
EPI Secondary Spring - Yellow CATV12
EPI
$32.99Lets you fine-tune shift rate, side load pressure and full shift out poundage, All EPI springs are manufactured using a 5% tolerance - the lowest in the industryCATV12- SKU:
- CATV12
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- COMPRESSED LOAD:
- 66 KG (145 LB)
- RIDING STYLE:
- UTV
- COMPRESSED LOAD METRIC:
- 66 KG
- INSTALLED LENGTH IMPERIAL:
- 3.5'
- INSTALLED LOAD IMPERIAL:
- 99 LB
- INSTALLED LOAD METRIC:
- 45 KG
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH
- COLOR/FINISH:
- YELLOW
- COMPRESSED LENGTH:
- 32 MM (1,25')
- INSTALLED LENGTH METRIC:
- 89 MM
- MATERIAL:
- CHROME SILICON
- COMPRESSED LENGTH IMPERIAL:
- 1.25'
- COMPRESSED LENGTH METRIC:
- 32 MM
- COMPRESSED LOAD IMPERIAL:
- 145 LB
- INSTALLED LENGTH:
- 89 MM (3,5')
- INSTALLED LOAD:
- 45 KG (99 LB)
- PRODUCT NAME:
- SPRING
- STYLE:
- SECONDARY (DRIVEN)
- UNITS:
- EACH
$32.99 -
EPI Primary Spring DRS12
EPI
$32.99Fine tune your engagement and top RPM as you like, Manufactured from High Tensile Chrome Silicon, 5% tolerance for consistencyDRS12- SKU:
- DRS12
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- CLUTCH
- COMPRESSED LOAD IMPERIAL:
- 140 LB
- COMPRESSED LOAD METRIC:
- 63.5 KG
- PRODUCT NAME:
- SPRING
- COLOR/FINISH:
- RED
- INSTALLED LOAD METRIC:
- 16 KG
- MATERIAL:
- CHROME SILICON
- RIDING STYLE:
- UTV
- STYLE:
- PRIMARY (DRIVE)
- COMPRESSED LENGTH IMPERIAL:
- 1.25'
- INSTALLED LENGTH IMPERIAL:
- 2.5'
- INSTALLED LOAD IMPERIAL:
- 35 LB
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$32.99 -
EPI Primary Spring DRS13
EPI
$32.99Fine tune your engagement and top RPM as you like, Manufactured from High Tensile Chrome Silicon, 5% tolerance for consistencyDRS13- SKU:
- DRS13
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- ORANGE
- MATERIAL:
- CHROME SILICON
- COMPRESSED LOAD METRIC:
- 63.5 KG
- PRODUCT NAME:
- SPRING
- COMPRESSED LENGTH IMPERIAL:
- 1.25'
- INSTALLED LENGTH IMPERIAL:
- 2.5'
- INSTALLED LOAD IMPERIAL:
- 75 LB
- INSTALLED LOAD METRIC:
- 34 KG
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COMPRESSED LOAD IMPERIAL:
- 140 LB
- RIDING STYLE:
- UTV
- STYLE:
- PRIMARY (DRIVE)
- TYPE:
- CLUTCH
$32.99 -
EPI Weight Bushing - 12 Pack WB12
EPI
$91.99Replaces worn or damaged bushings11400079- SKU:
- 11400079
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- CLUTCH WEIGHT
- RIDING STYLE:
- ATV
- UNITS:
- 12 PACK
$91.99
