The ConCar AVX13 is a molded toothed automotive V-belt with an outer length of 1,650 mm and a cross-section of 13 × 10 mm. It transmits the drive power between compatible pulleys and is suitable when the technical specifications of the vehicle or equipment require this profile and length.
The open-flanked, toothed underside enhances flexibility as the belt rotates over the pulleys. The belt is made of a rubber compound with reinforced polyester/glass fiber tensile members. It is heat- and oil-resistant, as well as antistatic. Typical applications include auxiliary components such as alternators, fans, water pumps, or compressors, provided they are driven by a V-belt of this profile. Which components are actually compatible depends on the design of the specific vehicle or device.
The additional reference lengths Lw = 1,632 mm and Li = 1,587 mm simplify selection when the old belt marking uses a different length specification. These three length specifications describe different measurement references for the same belt: La is the outer length, Lw the effective length, and Li the inner length.
For replacement, both the profile and length are important. Check the grooves of the discs for wear and ensure correct alignment during installation. The required tension can be found in the drive's instructions; a general setting is not suitable for every system.
AVX13 is compared to XPA in the ConCar profile assignment. For alternative brands such as Gates, Optibelt, Continental, or Megadyne, the profile, reference length, and approval for the specific drive system must match; the brand name alone does not guarantee a suitable replacement.
Which length is crucial? Compare the specification AVX13 1650 La with the labeling of your previous belt and the manufacturer's documentation. Pay attention to whether it uses La, Lw, or Li.
Store the belt in its natural shape in a dry, dark place. Avoid pressure points, sharp bends, and contact with aggressive chemicals. A ConCar V-belt is supplied in the profile and length specified above.