
Timing belt Optibelt 25 T5K6 / 6400 AFX
- Brand
- OPTIBELT
- Category
- Power transmission
- Subcategory
- Timing belts
- Series
- Alpha Flex
We reply promptly.
Tell us the quantity you need and request a quote by WhatsApp or email.
Can't find the exact model? Tell us the part number or model you need. We'll track it down and quote it, whether or not it appears in our catalog.
Description
OPTIBELT 25 T5K6 / 6400 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 T5K6 / 6400 AFX and any equivalents.
When replacing a timing belt, the most reliable starting point is the belt you are removing. This Optibelt Alpha Flex belt carries the code 25 T5K6 / 6400 AFX, a T5 profile and a 6400 mm length. Confirm those markings against the old belt before you request a quote.
Read the back of the old belt and compare every character. The profile is T5, the pitch is 5 mm, and the length is 6400 mm. The part number 25 T5K6 / 6400 AFX ties those figures to this Optibelt Alpha Flex timing belt. If the marking is worn or missing, measure the length and identify the profile so the replacement matches.
Send the full code, the profile, and the length in your quote request. If the old belt is hard to read, a photo of the marking helps us confirm the right belt. We carry Optibelt and can check the details against your drive before you order.
Dimensions
- Profile
- T5
- Pitch
- 5mm
- Length
- 6400mm
Frequently asked questions
- How do I match this belt to the one I am replacing?
- Compare the code on the back of your old belt with 25 T5K6 / 6400 AFX. Also confirm the T5 profile and the 6400 mm length. If any character is unclear, send a photo or the measured length.
- What information should I send for a quote?
- Send the part number 25 T5K6 / 6400 AFX, or the profile and length from the old belt. If you have the old belt, include a clear photo of the back marking so we can confirm the match.
- Can you help if the marking on my old belt is worn off?
- Yes. Measure the length and identify the profile from the drive. With those details, we can check this Optibelt Alpha Flex timing belt against your application.

