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 Clutch Cover Screw - Polaris 100-5278-PU
MOOSE OFFROAD
$12.95Clutch cover screws endure extreme stress from engine vibration and thermal cycling—a single loose or corroded fastener can compromise clutch cover integrity and lead to costly mid-race failures. The...11321617- SKU:
- 11321617
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$12.95 -
MOOSE OFFROAD Armature Plate - Polaris 100-2022-PU
MOOSE OFFROAD
$35.95The stock plastic armature plate is a known weak point in Polaris drivetrain systems—under load or aggressive riding, it flexes and fails prematurely. The MOOSE OFFROAD Armature Plate replaces that...12050413- SKU:
- 12050413
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
MOOSE OFFROAD Clutch Cover Drain Plug 100-4495-PU
MOOSE OFFROAD
$9.95A quality clutch cover drain plug is essential for proper clutch system maintenance and fluid management. This MOOSE OFFROAD plug delivers OE-equivalent performance, ensuring reliable drainage and...11321610- SKU:
- 11321610
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
MOOSE OFFROAD Transmission Seal Kit - Polaris 25-7115
MOOSE OFFROAD
$70.95Transmission oil leaks compromise both performance and reliability, leaving your Polaris vulnerable to internal damage and costly repairs. The MOOSE OFFROAD Transmission Seal Kit addresses the root...09351066- SKU:
- 09351066
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$70.95Qty in Cart: 0Quantity:Price:$70.95Subtotal: -
MOOSE OFFROAD Front Chain Slider - Kawasaki KFX400/Suzuki LT-Z400 - Black 1115-BLK
MOOSE OFFROAD
$44.95Chain slap against your frame is a common problem on high-revving quads—it accelerates wear on both your chain and sprockets, and can eventually cause catastrophic drivetrain failure. This MOOSE...12310072- SKU:
- 12310072
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
$44.95 -
MOOSE OFFROAD Rear Steel Sprocket - 38 Tooth 1350-38ST
MOOSE OFFROAD
$29.95A rear sprocket is fundamental to your drivetrain's efficiency and power delivery. The MOOSE OFFROAD 38-tooth sprocket delivers the precise gearing ratio you need for controlled acceleration and...12102649- SKU:
- 12102649
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE OFFROAD Rear Steel Sprocket - 40 Tooth 1826-40ST
MOOSE OFFROAD
$29.95A worn or undersized sprocket directly impacts your motorcycle's acceleration, top-end performance, and chain longevity. The MOOSE OFFROAD 40-tooth rear sprocket delivers the durability and precision...12102653- SKU:
- 12102653
- Availability:
- Ships Same Business Day
- Weight:
- 1.96 LBS
$29.95 -
MOOSE OFFROAD Rear Steel Sprocket - 40 Tooth 853-40ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical to your off-road bike's power delivery and acceleration characteristics. The MOOSE OFFROAD 40-tooth sprocket delivers the aggressive gearing needed for...12102659- SKU:
- 12102659
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
$29.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 36 Tooth - Honda 1350-36AL
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket limits your ATV's acceleration and top-end performance. The MOOSE OFFROAD 36-tooth aluminum sprocket delivers a precision-engineered replacement that weighs...12112722- SKU:
- 12112722
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 37 Tooth - Honda 1350-37AL
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket robs your Honda ATV of acceleration and top-end performance. The MOOSE OFFROAD 37-tooth aluminum sprocket replaces stamped OEM designs with a precision-engineered...12112723- SKU:
- 12112723
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 38 Tooth - Honda 1350-38AL
MOOSE OFFROAD
$39.95A worn or compromised rear sprocket directly impacts power delivery, acceleration, and chain life on your Honda ATV. The MOOSE OFFROAD 38-tooth aluminum sprocket replaces stamped alternatives with...12112724- SKU:
- 12112724
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 43 Tooth - Honda 1350-43AL
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket robs your Honda ATV of acceleration and top-end performance. The MOOSE OFFROAD 43-tooth aluminum sprocket delivers the gear ratio stability and durability you need...12112728- SKU:
- 12112728
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 38 Tooth - Yamaha 1857-38AL
MOOSE OFFROAD
$39.95A worn or undersized sprocket directly impacts your ATV's acceleration, top-end speed, and chain longevity. The MOOSE OFFROAD 38-tooth rear sprocket delivers the engineering precision you need to...12112731- SKU:
- 12112731
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 40 Tooth - Yamaha 1857-40AL
MOOSE OFFROAD
$39.95A worn or mismatched rear sprocket robs your ATV of efficiency and accelerates chain wear—costing you performance and money in the long run. This MOOSE OFFROAD 40-tooth aluminum sprocket delivers the...12112732- SKU:
- 12112732
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 37 Tooth - Suzuki 801-37AL
MOOSE OFFROAD
$39.95A worn or damaged rear sprocket directly impacts your ATV's acceleration, chain wear, and overall drivetrain efficiency. The MOOSE OFFROAD 37-tooth rear sprocket replaces OEM components with a...12112735- SKU:
- 12112735
- Availability:
- Ships Same Business Day
- Weight:
- 0.49 LBS
$39.95 -
MOOSE OFFROAD Aluminum Rear Sprocket - 41 Tooth - Yamaha 853-41AL
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket limits your ATV's acceleration and top-end performance. The MOOSE OFFROAD 41-tooth aluminum sprocket delivers the ideal balance of durability and lightweight...12112737- SKU:
- 12112737
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 33 Tooth - Suzuki 801-33AL
MOOSE OFFROAD
$39.95A worn or undersized sprocket robs your ATV of power delivery and accelerates chain wear—costing you money in premature replacements. The MOOSE OFFROAD 33-tooth rear sprocket delivers the precision...12112733- SKU:
- 12112733
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 35 Tooth - Suzuki 801-35AL
MOOSE OFFROAD
$39.95A worn or undersized rear sprocket limits your ATV's acceleration and top-end performance. The MOOSE OFFROAD 35-tooth aluminum sprocket delivers the durability and precision you need for consistent...12112734- SKU:
- 12112734
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
$39.95 -
MOOSE OFFROAD Clutch Cover Screw - Polaris 100-3037-PU
MOOSE OFFROAD
$12.95A worn or damaged clutch cover screw compromises your Polaris drivetrain's integrity and can lead to oil leaks or operational issues. This OEM-equivalent replacement ensures your clutch cover remains...11321615- SKU:
- 11321615
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$12.95Qty in Cart: 0Quantity:Price:$12.95Subtotal: -
MOOSE OFFROAD Clutch Cover Screw - Polaris 100-4579-PU
MOOSE OFFROAD
$12.95A worn or damaged clutch cover screw compromises the security of your clutch assembly and risks losing critical fasteners during operation. This OEM-specification replacement from MOOSE OFFROAD...11321616- SKU:
- 11321616
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$12.95Qty in Cart: 0Quantity:Price:$12.95Subtotal:
