Timing belt Optibelt 25 AT5K6 / 4800 AFX

OPTIBELT 25 AT5K6 / 4800 AFX belongs to timing belt, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 25 AT5K6 / 4800 AFX and any equivalents.

When a drive is down, the fastest way to identify the correct replacement is to read the marking on the back of the old belt. This page covers the Optibelt Alpha Flex timing belt with code 25 AT5K6 / 4800 AFX, an AT5 profile belt with a 4800 mm length and a 5 mm pitch. We carry this belt for maintenance, engineering and purchasing teams across the US, Canada, Mexico and South America.

The marking on a timing belt typically shows the profile and the length, and sometimes a manufacturer code. On this Optibelt Alpha Flex belt, the profile is AT5, the length is 4800 mm and the pitch is 5 mm. The full code is 25 AT5K6 / 4800 AFX. If the old belt is worn or dirty, clean the back with a shop towel and read the characters in good light before ordering.

If the marking is unreadable, measure the old belt or check the drive documentation for the profile and length. The AT5 profile and 4800 mm length are the key dimensions to match. Send the complete code, 25 AT5K6 / 4800 AFX, or the profile and length, to our team by WhatsApp or email. We will confirm the belt and can suggest an equivalent if needed.

For drives with more than one belt, inspect all belts and replace them as a set. Check pulley grooves for wear or debris and verify alignment before installation. After tensioning, run the drive and recheck tension. Keep the belt marking on file for the next replacement.