OE Quality
60-Day Returns

Dayco XTX2251 Automatic Continuously Variable Transmission (CVT) Belt - Drive Belt
Dayco XTX2251 CVT Belt Overview
The Dayco XTX2251 is an automatic continuously variable transmission (CVT) belt built for transmission service where consistent belt engagement and smooth power transfer matter. As part of Dayco’s Extreme Torque Drive Belts line, it is aimed at CVT applications that demand stable operation under changing load conditions.
Searches for a Dayco CVT belt, XTX2251, or an automatic transmission belt for Honda Civic applications often point to this type of replacement part.
Key Features
- Dayco Extreme Torque Drive Belts product line
- Automatic continuously variable transmission (CVT) belt
- Transmission component for CVT service and repair
- Part number XTX2251 for identification and ordering
- Built for vehicles using a belt-driven CVT system
Product Details
The XTX2251 is a CVT belt used in automatic continuously variable transmissions, where the belt works with the pulley system to transfer engine power through a variable ratio range. Dayco’s Extreme Torque Drive Belts line is positioned for demanding drivetrain use, making this belt a direct-fit service part for the specific applications it was engineered for. If you are sourcing a Dayco XTX2251 for Honda Civic transmission repair, verify the exact CVT application before installation.
Common Issues This Part Addresses
- Worn or stretched CVT belt material
- Slipping or inconsistent transmission engagement
- Noise from a deteriorated belt in the CVT system
- Reduced drivability caused by belt wear
- Transmission service needs on belt-driven CVT units
Installation Notes and Tips
Install the XTX2251 only in the exact CVT application specified by the vehicle service information. Inspect pulleys, tensioning components, and related transmission parts during service, since belt wear can be caused by system contamination or component damage. Confirm the part number XTX2251 and the vehicle’s transmission code before assembly.
Quality Assurance
Dayco is a recognized drivetrain and belt manufacturer, and the Extreme Torque Drive Belts line reflects its focus on transmission belt applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.