HomeTransmission > Automatic Transmission ComponentsGates 21G4380 Automatic Continuously Variable Transmission (CVT) Belt - Drive Belt
Part #: 21G4380

Gates 21G4380 Automatic Continuously Variable Transmission (CVT) Belt - Drive Belt

Drive Belt
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Reliable Performance with Gates G-Force CVT Belt 21G4380

The Gates G-Force CVT Belt 21G4380 is engineered for automatic continuously variable transmissions, designed to deliver consistent power transfer and durability. This belt is ideal for vehicles requiring a power sport CVT belt with precise construction and material specifications.

  • Top width: 1.219 inches (31 mm)
  • Outside circumference: 44.625 inches (1133 mm)
  • Notched construction for enhanced flexibility
  • Black chloroprene belt material for durability
  • Aramid cord material for high tensile strength
  • Fabric bottom for improved grip and wear resistance
  • Cross section designation: Rvs-r
  • 28-degree angle design for optimized power transmission

About the Gates G-Force CVT Belt Product Line

The G-Force CVT Belt line by Gates focuses on delivering reliable and OE performance-rated belts specifically designed for power sport CVT applications. The 21G4380 model features a notched construction and aramid cords, which provide enhanced strength and flexibility, making it suitable for a range of automatic transmission systems requiring precise fit and durability.

Technical Details and Construction

This automatic continuously variable transmission belt is constructed with a chloroprene rubber compound, known for its resistance to heat and wear. The notched design improves belt flexibility, allowing it to adapt to varying pulley diameters and maintain consistent contact. The aramid cord material offers high tensile strength, reducing elongation and increasing belt life. The fabric bottom enhances grip and reduces slippage, contributing to smoother transmission operation. With a top width of 1.219 inches and an outside circumference of 44.625 inches, this belt fits specific CVT systems requiring these dimensions.

Common Applications and Issues Addressed

  • Replacement for worn or damaged CVT belts in automatic transmissions
  • Resolving slipping or loss of power transfer in CVT systems
  • Addressing belt noise caused by wear or improper fit
  • Improving transmission efficiency in power sport vehicles
  • Maintaining consistent belt tension and reducing premature wear

Installation Notes and Tips

Ensure the CVT system is clean and free of debris before installing the Gates G-Force CVT Belt 21G4380. Verify the belt dimensions match the vehicle’s specifications, particularly the top width and outside circumference. Proper alignment of pulleys and tensioners is critical to prevent premature belt wear. It is recommended to inspect related transmission components during installation to ensure optimal performance.

Quality Assurance and Warranty

The Gates G-Force CVT Belt 21G4380 meets OE performance standards, ensuring reliable operation in compatible automatic transmission systems. Gates is known for rigorous quality control and material testing to provide durable and consistent products. Please refer to Gates’ official warranty policy for specific coverage details.

BrandGates
Part Number21G4380
Top Width1.219
Top Width31
ConstructionNotched
ColorBlack
Cord MaterialAramid
Cross Section DesignationRvs-r
Outside Circumference1133
Outside Circumference44.625
TypePower sport cvt belt
Belt MaterialChloroprene
Angle28
9837Yes
Angle28
Belt MaterialChloroprene
ColorBlack
ConstructionNotched
Cord MaterialAramid
Fabric BottomYes
NotchedYes
OE Comparison RatingOe performance
Outside Circumference (in)44.625
Outside Circumference (mm)1133
SectionRvs-r
Top Width (in)1.219
Top Width (mm)31
TypePower sport cvt belt

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

21G4380321105471229HP3029MAX1116M2MAX1116M3

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.