
Timing belt Optibelt 25 T5 / 3400 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 T5 / 3400 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 T5 / 3400 AFX and any equivalents.
When you need to replace a timing belt, start by reading the marking on the back of the old belt. This page covers the Optibelt 25 T5 / 3400 AFX from the Alpha Flex series, a timing belt with a T5 profile, a 3400 mm length and a 5 mm pitch. Use those markings to confirm you are specifying the same belt.
The marking on a timing belt typically shows the profile and the length. For this Optibelt belt, the profile is T5 and the length is 3400 mm, with a 5 mm pitch. If the old belt is worn or dirty, clean the back with a rag and read the characters carefully. A photo of the marking helps if you need to confirm the details with our team.
The 25 T5 / 3400 AFX is a timing belt, also called a synchronous belt. It is identified by the T5 profile and the 3400 mm length. When you request a quote, send the complete part number and the marking from the old belt. We carry Optibelt belts and can help confirm the right belt for your drive.
If the marking is unreadable, measure the length and check the profile against the pulley grooves. The T5 profile has a 5 mm pitch. Provide the part number, profile and length when you contact us by WhatsApp or email. Our team replies promptly and can help confirm the right belt or suggest an equivalent.
Dimensions
- Profile
- T5
- Pitch
- 5mm
- Length
- 3400mm
Frequently asked questions
- How do I read the marking on my old timing belt?
- Look for the part number and profile on the back of the belt. For this Optibelt belt, the marking includes 25 T5 / 3400 AFX, which indicates the T5 profile and the 3400 mm length. Clean the belt if needed and take a photo to share with us.
- What does the T5 profile mean?
- T5 is the profile of this timing belt. It has a 5 mm pitch. The profile and pitch must match the pulleys on your drive.
- What information should I send for a quote?
- Send the part number 25 T5 / 3400 AFX and the marking from your old belt. If you have it, include the profile and length. You can contact us by WhatsApp or email, and we will reply promptly to confirm the right belt.

