Poly-V belt Dayco 5080390
- Brand
- DAYCO
- Category
- Power transmission
- Subcategory
- Poly-V belts
- Series
- Poly V automotor
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Description
DAYCO 5080390 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 5080390 and any equivalents.
The Dayco 5080390 is an 8-rib automotive serpentine belt with an effective length of 990.6 mm and a width of 27.94 mm. The most reliable way to order the correct replacement is to match it to the belt already on the drive.
Start with the belt you are replacing. Read the marking printed on the back of the old belt and compare it with the part number 5080390 and its alias 8PK0990. Confirm the rib count is 8 and the effective length is 990.6 mm. If the old marking is worn or unreadable, measure the belt and count the ribs on the pulley grooves before ordering.
A serpentine belt must match the drive in three ways: the number of ribs, the effective length and the width. This Dayco belt has 8 ribs, a width of 27.94 mm and an effective length of 990.6 mm. Any difference in rib count or length means it will not seat or tension correctly, so verify all three values against the belt being removed.
If the old belt is too worn to read, send what you can. A photo of the back of the belt and of the pulley layout helps us confirm the profile and length. We carry the Dayco 5080390 and can check it against the belt on your drive.
Dimensions
- Grooves
- 8
- Length
- 990.6mm
Frequently asked questions
- How do I confirm the Dayco 5080390 is the right replacement?
- Match the marking on the back of the old belt to 5080390 or 8PK0990, and confirm the drive uses 8 ribs and an effective length of 990.6 mm. The width is 27.94 mm.
- What if the old belt marking is unreadable?
- Count the ribs on the belt and on the pulley grooves, measure the effective length, and send those values with a photo of the belt and pulleys. We will help confirm the match.
- What information should I send for a quote?
- Send the part number 5080390 or the alias 8PK0990, the rib count, and the effective length from the old belt. If you have the width, include that as well.