Gates 25R4108 Automatic Continuously Variable Transmission (CVT) Belt - Drive Belt

Gates G-Force RedLine CVT Belt Overview

The Gates G-Force RedLine CVT Belt is a high-performance automatic continuously variable transmission belt built for powersport and specialty applications. Part number 25R4108 uses an aramid cord, EPDM belt material, and a double-notched construction to support consistent belt grip and reduced energy loss under demanding use.

Gates G-Force RedLine CVT Belts are part of the G-Force RedLine product line, developed for riders and drivers who need stronger CVT performance in severe conditions. If you are searching for a Gates 25R4108 CVT belt for powersport or off-road use, this belt is engineered around improved acceleration and higher top-speed potential while helping reduce speed-ratio loss.

Key Features

• Part number: 25R4108
• Power Sport Specialty High Performance CVT Belt
• Double-notched construction for improved flexibility
• Aramid cord material for strength and stability
• EPDM belt material for durability in demanding service
• Black finish
• Top width: 1.246 in. (32 mm)
• Thickness: 0.567 in. (14.4 mm)
• Outside circumference: 42.256 in. (1073 mm)
• Pitch length: 41.083 in. (1043.5 mm)
• Pitch width: 1.169 in. (29.7 mm)
• Cross section: RVS-R
• Angle: 26 degrees
• OE Improved rating

Detailed Description

Built for automatic continuously variable transmissions, the Gates 25R4108 CVT belt is specified with a 32 mm top width, 14.4 mm thickness, and RVS-R cross section. The double-notched design and fabric bottom help the belt flex smoothly through pulley changes, while the aramid cord supports load handling in high-demand operation. For buyers comparing Gates 25R4108 against other CVT belt options, this belt is positioned as an OE Improved replacement for performance-focused service.

This part cross-references Dayco XTX2279 for the same application. It is also listed among Gates interchange numbers 25C4108 and 25G4108.

What It Helps Address

• Slipping or inconsistent CVT belt engagement
• Loss of acceleration under load
• Reduced top-speed performance from belt wear
• Heat-related belt degradation in severe off-road use
• Speed-ratio loss during hard acceleration

Installation Notes and Tips

Verify belt dimensions, cross section, and pulley specification before installation. Inspect the CVT system for pulley wear, contamination, and alignment issues before fitting the new belt. After installation, follow the vehicle manufacturer’s break-in and service procedures for CVT belt setup and inspection intervals.

Compatible With powersport and specialty CVT applications that call for Gates 25R4108 specifications. For shoppers searching by vehicle keywords, this Gates CVT belt is commonly researched alongside ATV, UTV, and off-road performance applications, including Honda Civic and Honda Accord query terms where CVT belt fitment is being checked by part number.

Quality Assurance

Gates manufactures the G-Force RedLine line with performance-focused materials and construction details intended for demanding CVT service. Part number 25R4108 is built to OE Improved specifications for buyers who need a replacement belt with defined dimensional and material standards.