Poly-V belt Dayco 5120720
- Brand
- DAYCO
- Category
- Power transmission
- Subcategory
- Poly-V belts
- Series
- Poly V automotor
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Description
DAYCO 5120720 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 5120720 and any equivalents.
The Dayco 5120720 is a 12-rib automotive serpentine belt with an effective length of 1830.07 mm and a width of 42.16 mm. The profile and length are the two numbers that decide whether a belt will seat correctly on every pulley in the drive.
Rib count sets the profile. With 12 ribs, this belt is built for a drive whose pulleys carry twelve matching grooves, so the ribs engage across the full width rather than riding on the peaks. The 42.16 mm width follows from that rib count and is the figure to check against the pulley face when you are confirming a replacement.
Length is the other half of the match. The 1830.07 mm value is the effective length, measured around the belt's working path, which is the dimension that determines how the belt sits on the tensioner and accessories. A belt of the same rib count but a different effective length will not route correctly even if it looks close on the shelf.
The belt is also listed under the alias 12PK1830, so that marking on the back of an old belt points to the same profile and length. If you are working from a removed belt, read the digits on the back and send them with your quantity.
Dimensions
- Grooves
- 12
- Length
- 1830.07mm
Frequently asked questions
- What do the profile and length tell me about this belt?
- The 12 ribs and 42.16 mm width define the pulley groove pattern the belt must match, and the 1830.07 mm effective length defines its path around the drive. Both need to line up with the original belt.
- How do I confirm the Dayco 5120720 is the right belt?
- Compare the rib count and effective length on the belt you are replacing. The alias 12PK1830 may appear on the back of the old belt and refers to the same profile and length.
- What should I send to request a quote?
- Send the part number 5120720 or the alias 12PK1830, along with the quantity you need, by WhatsApp or email. Our team replies promptly and can help confirm the right belt.