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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GATES Drive Belt 40R3691
GATES
$221.71If you're running a high-performance platform that demands precision power delivery, belt slippage and heat degradation will kill your acceleration and consistency. The GATES Drive Belt 40R3691 is engineered to handle the rapid torque spikes and extreme...11420998- SKU:
- 11420998
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$221.71 -
GATES Drive Belt 47R4738
GATES
$203.51If you're running a high-performance platform that demands consistent power delivery under extreme conditions, belt slippage and thermal degradation will cost you real time on the track. The GATES Drive Belt 47R4738 is engineered specifically for the...11421002- SKU:
- 11421002
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$203.51 -
MOOSE OFFROAD Differential Cover - Polaris 100-5097-PU
MOOSE OFFROAD
$99.95A leaking front differential doesn't just waste fluid—it compromises bearing integrity and can lead to catastrophic drivetrain failure if left unchecked. The MOOSE OFFROAD Differential Cover replaces worn seals and damaged bearings with factory-spec...12050417- SKU:
- 12050417
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
$99.95Qty in Cart: 0Quantity:Price:$99.95Subtotal: -
MOOSE OFFROAD Rear Steel Sprocket - 37 Tooth 1350-37ST
MOOSE OFFROAD
$29.95A quality rear sprocket is fundamental to your off-road drivetrain's efficiency and longevity. The MOOSE OFFROAD 37-tooth sprocket delivers the precision engineering and durability needed for consistent power transfer under demanding conditions, whether...12102648- SKU:
- 12102648
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
$29.95 -
MOOSE OFFROAD Rear Steel Sprocket - 39 Tooth 1350-39ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical for optimizing your off-road machine's acceleration, top speed, and overall powerband efficiency. The MOOSE OFFROAD 39-tooth sprocket delivers the precision engineering and durability required for demanding...12102650- SKU:
- 12102650
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE OFFROAD Rear Steel Sprocket - 40 Tooth 1350-40ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is fundamental to optimizing your off-road machine's acceleration, top-end performance, and overall drivetrain efficiency. This 40-tooth MOOSE OFFROAD sprocket delivers the precision engineering and durability required for...12102651- SKU:
- 12102651
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE OFFROAD Rear Steel Sprocket - 37 Tooth 1857-37ST
MOOSE OFFROAD
$29.95A quality rear sprocket is the foundation of reliable acceleration and efficient power transfer. The MOOSE OFFROAD 37-tooth design delivers the torque and responsiveness you need for both aggressive trail riding and consistent everyday performance. Built...12102654- SKU:
- 12102654
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
$29.95 -
MOOSE OFFROAD Rear Steel Sprocket - 39 Tooth 1857-39ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is fundamental to optimizing your motorcycle's power delivery and acceleration characteristics. The MOOSE OFFROAD 39-tooth rear sprocket delivers the durability and precision engineering needed for consistent, predictable...12102656- SKU:
- 12102656
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
$29.95 -
MOOSE OFFROAD Rear Steel Sprocket - 40 Tooth 1857-40ST
MOOSE OFFROAD
$29.95A properly sized rear sprocket is critical for optimizing your off-road bike's power delivery and acceleration characteristics. The MOOSE OFFROAD 40-tooth sprocket delivers the durability and precision required for aggressive riding conditions, with...12102657- SKU:
- 12102657
- Availability:
- Ships Same Business Day
- Weight:
- 1.68 LBS
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE OFFROAD Rear Steel Sprocket - 41 Tooth 853-41ST
MOOSE OFFROAD
$29.95Sprocket wear is one of the fastest ways to compromise chain drive efficiency and power delivery in off-road applications. This 41-tooth rear sprocket delivers the aggressive acceleration curve you need for technical terrain while maintaining the...12102660- SKU:
- 12102660
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$29.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 39 Tooth - Honda 1350-39AL
MOOSE OFFROAD
$39.95Worn or undersized sprockets compromise acceleration and chain longevity on your Honda ATV. The MOOSE OFFROAD Rear Aluminum Sprocket delivers the 39-tooth ratio you need for optimal power delivery while cutting rotational mass—a direct upgrade over...12112725- SKU:
- 12112725
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 42 Tooth - Honda 1486-42AL
MOOSE OFFROAD
$39.95If you're running a Honda ATV and want sharper acceleration without sacrificing durability, this 42-tooth aluminum sprocket is a direct upgrade to your drivetrain efficiency. The lightweight 7075-T651 construction cuts rotating mass while the...12112730- SKU:
- 12112730
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 40 Tooth - Yamaha 853-40AL
MOOSE OFFROAD
$39.95A worn or stock rear sprocket directly impacts acceleration, top-end speed, and chain wear—making it one of the highest-ROI upgrades for any ATV. This MOOSE OFFROAD aluminum sprocket delivers measurable performance gains while substantially outlasting...12112736- SKU:
- 12112736
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
$39.95 -
MOOSE OFFROAD Rear Aluminum Sprocket - 38 Tooth - KTM 897-38AL
MOOSE OFFROAD
$39.95Worn or damaged rear sprockets compromise chain engagement and accelerate drivetrain wear across your entire system. The MOOSE OFFROAD 38-tooth aluminum sprocket delivers the durability and precision needed to maintain consistent power transfer while...12112738- SKU:
- 12112738
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
$39.95 -
MOOSE OFFROAD Drive Belt - Polaris 47-7424
MOOSE OFFROAD
$89.08A worn or damaged drive belt directly compromises your Polaris's power delivery and reliability in the field. The MOOSE OFFROAD Drive Belt restores optimal belt tension and grip, ensuring consistent torque transfer to your wheels without slippage or...11421000- SKU:
- 11421000
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
$89.08Qty in Cart: 0Quantity:Price:$89.08Subtotal: -
MOOSE OFFROAD Drive Belt - Teryx 1000 47-7425
MOOSE OFFROAD
$218.62A worn or damaged drive belt will kill your Teryx 1000's performance and leave you stranded. This OEM-equivalent replacement restores full power transmission and reliability, whether you're running stock power or pushing upgraded output. Built with...11421001- SKU:
- 11421001
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
$218.62 -
MOOSE OFFROAD Drive Belt - CF Moto 47-7382
MOOSE OFFROAD
$170.00A worn or damaged drive belt compromises your CF Moto's clutch engagement and overall drivetrain efficiency—costing you power transfer and reliability when you need it most. The MOOSE OFFROAD Drive Belt 47-7382 delivers OEM-equivalent performance with...11420987- SKU:
- 11420987
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
$170.00Qty in Cart: 0Quantity:Price:$170.00Subtotal: -
MOOSE OFFROAD Drive Belt - Polaris 47-7128
MOOSE OFFROAD
$64.95OEM drive belts wear out under sustained load and aggressive riding conditions, leaving you stranded or limping back to the shop. The MOOSE OFFROAD 47-7128 is engineered with aramid cord reinforcement and high-grade elastomer compounds to handle extreme...11420910- SKU:
- 11420910
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
$64.95 -
MOOSE OFFROAD Clutch Cover Screw - Polaris 100-3169-PU
MOOSE OFFROAD
$12.95A worn or corroded clutch cover screw compromises both the integrity of your clutch assembly and the reliability of your Polaris during demanding rides. This OEM-equivalent replacement ensures your clutch cover stays securely fastened and performs as...11321613- SKU:
- 11321613
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
$12.95 -
MOOSE OFFROAD Clutch Cover Screw - Polaris 100-3043-PU
MOOSE OFFROAD
$12.95A worn or missing clutch cover screw compromises the integrity of your Polaris clutch assembly, risking fluid leakage and performance degradation. This OEM-specification replacement fastener restores a secure fit and prevents costly damage to your clutch...11321614- SKU:
- 11321614
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$12.95Qty in Cart: 0Quantity:Price:$12.95Subtotal:
