Timing belt Optibelt 25 AT5K6 / 3400 AFX
- Brand
- OPTIBELT
- Category
- Power transmission
- Subcategory
- Timing belts
- Series
- Alpha Flex
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Description
OPTIBELT 25 AT5K6 / 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 AT5K6 / 3400 AFX and any equivalents.
This Optibelt Alpha Flex belt is a timing belt with an AT5 profile, a 3400 mm length and a 5 mm pitch. It is identified by the code 25 AT5K6 / 3400 AFX. Before you fit it, inspect the drive and the sheaves so the new belt starts on a sound system.
A belt that fails early often points to something other than the belt. Check the sheaves for worn tooth flanks, scoring, corrosion or buildup in the grooves, and confirm they run true with no play in the bearings. Misalignment between pulleys will pull a timing belt to one side and shorten its life regardless of the belt you install.
Confirm the replacement matches what came off. Read the marking on the back of the old belt and compare it with the code 25 AT5K6 / 3400 AFX, the AT5 profile and the 3400 mm length. If the drive runs more than one belt, replace the set together so the load stays even across the pulleys.
Send us the part number and we will confirm the belt or suggest an equivalent. A photo of the back marking and the pulley arrangement helps us match the profile and length correctly the first time.
Dimensions
- Profile
- AT5
- Pitch
- 5mm
- Length
- 3400mm
Frequently asked questions
- What are the profile and length of this Optibelt belt?
- It is an AT5 profile timing belt with a 3400 mm length and a 5 mm pitch, supplied under the code 25 AT5K6 / 3400 AFX.
- What should I check before fitting a new timing belt?
- Inspect the sheaves for worn or damaged grooves, verify the pulleys are aligned and running true, and check bearings for play. Correcting these first protects the new belt.
- How do I request a quote?
- Send the part number 25 AT5K6 / 3400 AFX by WhatsApp or email. We will confirm the belt or suggest an equivalent.