Gates 46G4387 Automatic Continuously Variable Transmission (CVT) Belt - Drive Belt

Gates G-Force CVT Belt 46G4387 Overview

The Gates G-Force CVT Belt 46G4387 is a Power Sport CVT belt built for demanding automatic continuously variable transmission service. It uses an aramid cord, chloroprene belt material, and a double-notched construction to support consistent operation in tough trail and work conditions on vehicles under 800cc.

Gates G-Force WorkHorse CVT belts are part of the G-Force line focused on power sport applications that need durable belt performance under load. If you are searching for a Gates 46G4387 replacement for a CVT-equipped ATV or side-by-side, this belt is built around OE performance requirements and the dimensions needed for proper transmission operation.

Key Features

• Part number: 46G4387
• Brand line: G-Force WorkHorse CVT Belt
• Power Sport CVT belt for automatic continuously variable transmissions
• Double-notched construction for flexible belt operation
• Aramid cord material for strength and stability
• Chloroprene belt material with black finish
• Top width: 1.43 in. (36 mm)
• Outside circumference: 45.011 in. (1143 mm)
• Cross section designation: RVS-R
• OE performance rating
• Optimized for vehicles with engines less than 800cc

Detailed Description

The Gates 46G4387 CVT belt is engineered for power sport drivetrains that see frequent load changes, trail use, and work-duty operation. Its double-notched design and aramid cord construction help maintain belt stability while the chloroprene compound supports durable service in automatic CVT systems. With a 1.43-inch top width and 45.011-inch outside circumference, this belt is specified for applications that require exact dimensional match and OE-style performance.

For buyers comparing Gates 46G4387 against other CVT belt options, this part cross-references Dayco XTX5053 and XTX5054 for the same application. It is also listed among Gates interchange references for 46C4387 and 46R4387. Search terms such as Gates 46G4387 CVT belt, G-Force WorkHorse belt, and power sport automatic transmission belt are commonly used by shoppers looking for the correct replacement.

What It Helps Address

• CVT belt slip under acceleration or load
• Loss of drive response in power sport automatic transmissions
• Wear from trail riding, hauling, or repeated throttle changes
• Incorrect belt dimensions causing poor transmission engagement
• Replacement needs for worn ATV or side-by-side CVT belts

Installation Notes and Tips

Verify the belt dimensions, section designation, and application requirements before installation. Confirm the vehicle’s CVT specification and compare the old belt’s top width and outside circumference to the Gates 46G4387. Clean the clutch and pulley surfaces during service so the new belt seats correctly and operates as intended.

For fitment-focused searches, this part is commonly referenced for Gates 46G4387 replacement needs on CVT-equipped power sport vehicles, including ATV and side-by-side applications under 800cc. Use the vehicle’s service information to confirm the correct belt profile before installation.

Quality Assurance

Gates manufactures this belt to OE performance standards for power sport CVT service. The G-Force WorkHorse line is built for demanding use where dimensional accuracy, belt construction, and material selection matter for transmission performance.