
Poly-V belt Dayco 5050400
- Brand
- DAYCO
- Category
- Power transmission
- Subcategory
- Poly-V belts
- Series
- Poly V automotor
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Description
DAYCO 5050400 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 5050400 and any equivalents.
The Dayco 5050400 is a 5-rib automotive multi-rib (serpentine) belt with an effective length of 1016 mm. This page covers how to match it to the belt you are replacing. When you request a quote, include the part number so we can confirm it against your application.
Start with the belt on the drive. Read the marking on the back: it should show the part number 5050400 or the alias 5PK1015. The 5 indicates the rib count and the 1015 is the length in millimeters; if the old belt is worn or glazed, the marking may be faint, so check the drive layout and count the ribs on the pulleys.
Confirm the profile and length. This belt has 5 ribs, a width of 17.27 mm, and an effective length of 1016 mm. Measure the old belt along its effective length, not the outside circumference, and compare. If the numbers match, the Dayco 5050400 is the correct replacement.
If the marking is unreadable, send us the part number you find, the rib count, and the measured effective length. We can help confirm the right belt or suggest an equivalent. For drive inspection, check pulley alignment and rib wear before installing the new belt.
Dimensions
- Grooves
- 5
- Length
- 1016mm
Frequently asked questions
- How do I match the Dayco 5050400 to my old belt?
- Check the marking on the back of the old belt for 5050400 or 5PK1015. If it is not legible, count the ribs and measure the effective length. This belt has 5 ribs and a 1016 mm effective length.
- What does the 5PK1015 alias mean?
- The alias 5PK1015 is another way the same belt is identified. The 5 refers to the number of ribs, and the 1015 relates to the length. The Dayco 5050400 has 5 ribs and a 1016 mm effective length.
- What information should I send for a quote?
- Send the part number 5050400 or the alias 5PK1015, along with the rib count and effective length from your old belt. If you have the vehicle or equipment details, include those as well. We will confirm the belt or suggest an equivalent.

