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!
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- Qty in Cart
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- Price
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MOOSE OFFROAD Aluminum Sprague Carrier - RZR 100-1145-PU
MOOSE OFFROAD
$212.95The stock plastic Sprague carrier in your RZR is a weak link that compromises your drivetrain's reliability under load. This billet aluminum upgrade from MOOSE OFFROAD replaces that fragile component...12050416- SKU:
- 12050416
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
$212.95 -
MOOSE OFFROAD Clutch Cover Drain Plug 100-3121-PU
MOOSE OFFROAD
$9.95Routine clutch fluid maintenance is critical to maintaining consistent hydraulic pressure and reliable engagement, and a quality drain plug is essential for this process. The MOOSE OFFROAD Clutch...11321611- SKU:
- 11321611
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
MOOSE OFFROAD Clutch Cover Screw - Polaris 100-2185-PU
MOOSE OFFROAD
$12.95A loose or corroded clutch cover screw can compromise your entire clutch system's integrity, leading to performance loss and potential mechanical failure. This OEM-spec replacement screw from MOOSE...11321612- SKU:
- 11321612
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$12.95 -
PARTS UNLIMITED Countershaft Sprocket - 14 Tooth - Honda/Polaris 23801-MN1-68014
PARTS UNLIMITED
$15.85A worn or damaged countershaft sprocket compromises power delivery and can accelerate wear across your entire drivetrain. This OEM-equivalent 14-tooth sprocket restores precise engagement with your...12120325- SKU:
- 12120325
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
$15.85 -
REGINA Chain and Sprocket Kit - Polaris - Scrambler 400/500 - '00-'11 135QUAD/076KPO004
REGINA
$258.95A worn chain and sprocket kit robs your Scrambler of power transfer efficiency and creates safety risks at speed. This REGINA kit delivers OEM-equivalent gearing with genuine high-performance...12300151- SKU:
- 12300151
- Availability:
- Ships Same Business Day
- Weight:
- 5.80 LBS
$258.95 -
MOOSE OFFROAD Clutch Bearing - One Way - Suzuki 11-916
MOOSE OFFROAD
$106.95A worn or failing one-way clutch bearing compromises engine braking performance and can lead to costly drivetrain damage. This OEM-quality MOOSE OFFROAD bearing restores smooth, efficient power...11321623- SKU:
- 11321623
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$106.95 -
MOOSE OFFROAD Clutch Bearing - One Way - Honda 11-917
MOOSE OFFROAD
$75.95A worn or failing one-way clutch bearing compromises engine braking performance and efficiency, particularly critical in off-road riding where precise engine control keeps you safe and in command...11321624- SKU:
- 11321624
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$75.95 -
MOOSE OFFROAD Bearing Center Drive Support - Polaris 25-1819
MOOSE OFFROAD
$45.95The MOOSE OFFROAD Bearing Center Drive Support is engineered to protect your Polaris drivetrain from the elements. Its aggressive seal design outperforms OEM specifications, effectively blocking dirt...12050419- SKU:
- 12050419
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
$45.95 -
MOOSE OFFROAD Differential Bearing Kit - Front - KVF 750 Brute Force 25-2120
MOOSE OFFROAD
$154.95Differential bearing wear is one of the most overlooked maintenance items on ATVs, but premature failure can quickly lead to catastrophic drivetrain damage. This complete bearing kit eliminates...12050420- SKU:
- 12050420
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$154.95 -
MOOSE OFFROAD Differential Bearing Kit - Can-Am - Rear 25-2140
MOOSE OFFROAD
$123.95Differential bearings are critical wear components that directly impact drivetrain reliability and performance. Over time, factory bearings degrade under load and heat, leading to play, noise, and...12050421- SKU:
- 12050421
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
$123.95 -
ALL BALLS Sprague Carrier Kit - Polaris DIF-PO-10-003
ALL BALLS
$195.03Stock Polaris differentials rely on plastic carriers that degrade under sustained performance use, compromising engagement and reliability. The ALL BALLS Sprague Carrier Kit upgrades you to a 7075...12050422- SKU:
- 12050422
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$195.03 -
ALL BALLS Sprague Carrier Kit - Polaris DIF-PO-10-005
ALL BALLS
$244.05A worn or failing Sprague carrier compromises your Polaris's drivetrain reliability and performance. This ALL BALLS kit replaces inferior OEM plastic components with hardcoat aluminum construction,...12050423- SKU:
- 12050423
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$244.05 -
On Sale
VINTCO Clutch Plate Kit - Honda KCLH05
VINTCO
MSRP: $129.95Now: $120.85Was: $129.95A worn or slipping clutch will kill your lap times and drain your wallet on unnecessary engine work. The VINTCO Clutch Plate Kit delivers OEM-equivalent or superior performance with a complete...11313746- SKU:
- 11313746
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
MSRP: $129.95Now: $120.85Was: $129.95 -
On Sale
VINTCO Clutch Plate Kit - ATC 250 R KCLH12
VINTCO
MSRP: $129.95Now: $120.85Was: $129.95A worn or slipping clutch will cost you races and reliability. The VINTCO Clutch Plate Kit delivers OEM-equivalent or superior performance with a complete, ready-to-install solution that eliminates...11313832- SKU:
- 11313832
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
MSRP: $129.95Now: $120.85Was: $129.95 -
On Sale
VINTCO Clutch Plate Kit - LT 250R KCLS27
VINTCO
MSRP: $129.95Now: $120.85Was: $129.95A worn or slipping clutch can tank your acceleration and kill your confidence on the track or trail. The VINTCO Clutch Plate Kit for the LT 250R gives you a complete, ready-to-install solution with...11313833- SKU:
- 11313833
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
MSRP: $129.95Now: $120.85Was: $129.95 -
On Sale
EPI Clutch Roller - Pro Series WE213228
EPI
MSRP: $109.99Now: $98.99Was: $109.99Stock square sliders in your Polaris secondary clutch wear quickly and can cause binding during upshifts and backshifts, degrading both performance and clutch longevity. The EPI Clutch Roller Pro...11410387- SKU:
- 11410387
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $109.99Now: $98.99Was: $109.99 -
On Sale
EPI Pro Series Drive Belt PRO1025
EPI
MSRP: $215.99Now: $194.39Was: $215.99Standard OEM belts compromise under the demands of high-performance driving, leaving you vulnerable to slippage and premature failure when you need reliability most. The EPI Pro Series Drive Belt...11421005- SKU:
- 11421005
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
MSRP: $215.99Now: $194.39Was: $215.99 -
On Sale
EPI Pro Series Drive Belt - Polaris PRO5020
EPI
MSRP: $215.99Now: $194.39Was: $215.99If you're running a Polaris in demanding conditions—sand, mud, trails, or racing—belt failure isn't just an inconvenience; it's lost time and potential damage to your drivetrain. The EPI Pro Series...11421007- SKU:
- 11421007
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
MSRP: $215.99Now: $194.39Was: $215.99 -
On Sale
EPI Pro Series Drive Belt - Polaris PRO5024
EPI
MSRP: $215.99Now: $194.39Was: $215.99OEM drive belts fail under extreme conditions—heat cycles, shock loads, and abrasive terrain accelerate wear and reduce performance when you need reliability most. The EPI Pro Series Drive Belt is...11421008- SKU:
- 11421008
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
MSRP: $215.99Now: $194.39Was: $215.99 -
On Sale
EPI Pro Series Drive Belt - RZR PRO5031
EPI
MSRP: $215.99Now: $194.39Was: $215.99The stock drive belt on your RZR PRO is engineered for baseline performance—but if you're pushing your machine in sand, mud, or on the track, you're operating beyond its design limits. The EPI Pro...11421009- SKU:
- 11421009
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
MSRP: $215.99Now: $194.39Was: $215.99