
Poly-V belt Dayco 5040320
- Brand
- DAYCO
- Category
- Power transmission
- Subcategory
- Poly-V belts
- Series
- Poly V automotor
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
DAYCO 5040320 belongs to poly-V 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 5040320 and any equivalents.
When a serpentine belt needs replacing, the first step is reading the marking on the back of the old belt. The Dayco 5040320 is a 4-rib Poly V belt with an effective length of 815.09 mm and a width of 13.72 mm. Match those numbers to the marking before you request a quote.
This Dayco belt is an automotive multi-rib (serpentine) belt in the Poly V automotor series. It has 4 ribs and a width of 13.72 mm. Its effective length is 815.09 mm, which is the measurement to compare against the old belt's marking. The part number 5040320 and the alias 4PK0815 both identify this belt.
On many drives, the belt marking is the only reliable reference left after the original label is gone. Confirm the rib count, the width and the effective length from the belt you remove, then send the part number to our team by WhatsApp or email. We carry the Dayco 5040320 and can help confirm it is the right belt for your drive.
If the marking is worn or unreadable, measure the effective length and count the ribs. The Dayco 5040320 is a 4-rib belt with a 13.72 mm width and an 815.09 mm effective length. Provide those details with your quote request so we can match the belt accurately.
Dimensions
- Grooves
- 4
- Length
- 815.09mm
Frequently asked questions
- How do I read the marking on the old belt?
- Look for the part number and size marking printed on the back of the belt. For this Dayco belt, the marking includes 5040320 or 4PK0815, along with the rib count and length. Compare those values to the 4 ribs, 13.72 mm width and 815.09 mm effective length listed here.
- What if the marking on my old belt is unreadable?
- Measure the effective length and count the ribs. This Dayco belt has 4 ribs, a width of 13.72 mm and an effective length of 815.09 mm. Send those measurements with your quote request and we will help identify the correct belt.
- What do I need to send for a quote?
- Send the part number 5040320 or the alias 4PK0815 by WhatsApp or email. If you have the old belt, include the marking details: 4 ribs, 13.72 mm width and 815.09 mm effective length. Our team replies promptly to confirm the right belt.

