
Poly-V belt Dayco 5100845
- Brand
- DAYCO
- Category
- Power transmission
- Subcategory
- Poly-V belts
- Series
- Poly V automotor
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Tell us the quantity you need and request a quote by WhatsApp or email.
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Description
DAYCO 5100845 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 5100845 and any equivalents.
This Dayco 5100845 is an automotive multi-rib (serpentine) belt with 10 ribs and a 35.05 mm width. Its effective length is 2146.3 mm. It is used on engine accessory drives, where one belt can run several pulleys.
To confirm fit, compare the marking on the back of the old belt with the part number and the 10-rib count. Check that the effective length matches 2146.3 mm and the width matches 35.05 mm. A belt that is too long or too short will not tension correctly, and a different rib count will not seat in the pulley grooves.
Inspect the pulleys and tensioner at the same time. Worn or misaligned pulleys can damage a new belt. If the old belt shows cracks, missing ribs or glazing, the drive should be checked before replacement.
Send the part number 5100845 or the alias 10PK2145 by WhatsApp or email to request a quote. If you are unsure of the exact belt, include the marking from the old belt and the vehicle details so we can help confirm the right belt or suggest an equivalent.
Dimensions
- Grooves
- 10
- Length
- 2146.3mm
Frequently asked questions
- How do I confirm this Dayco 5100845 belt fits my application?
- Compare the part number and the 10-rib count with the marking on your old belt. Also check that the effective length is 2146.3 mm and the width is 35.05 mm.
- What does the alias 10PK2145 mean?
- 10PK2145 is another reference for the same belt. You can use either number when requesting a quote.
- Can you help if I am not sure about the part number?
- Yes. Send the marking from your old belt and the vehicle details by WhatsApp or email, and we will help confirm the right belt or suggest an equivalent.

