
V-belt Dayco 15540
- Brand
- DAYCO
- Category
- Power transmission
- Subcategory
- V-belts
- Series
- Trapezoidal automotor
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Description
DAYCO 15540 belongs to 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 15540 and any equivalents.
The Dayco 15540 is an automotive V-belt with an 11.18 mm width and a 1371.6 mm effective length. Its 36° angle matches the pulley groove it is designed to run in. This belt is used on engine accessory drives, where it transmits power from the crankshaft to components such as the alternator, water pump, or power steering pump.
To confirm fit, compare the marking on the back of the old belt with the part number 15540. If the old belt is worn or the marking is unreadable, measure the effective length and the top width, and check the angle of the pulley groove. The 1371.6 mm effective length and 11.18 mm width must match the original belt for the drive to run correctly.
When replacing an automotive V-belt, inspect the pulleys for wear, rust, or oil contamination, and check that all accessories turn freely. A belt that is too long or too short will not sit properly in the groove, leading to slip or premature failure. If you are unsure whether the Dayco 15540 is the right belt for your application, send us the part number from the old belt, along with the width and length if it is legible.
Dimensions
- Length
- 1371.6mm
Frequently asked questions
- What are the dimensions of the Dayco 15540 belt?
- The belt has an 11.18 mm width, a 1371.6 mm effective length, and a 36° angle.
- How do I confirm that this belt fits my drive?
- Check the marking on the back of the old belt for the part number 15540. If it is not readable, measure the effective length and top width, and compare them to the 1371.6 mm and 11.18 mm specifications.
- What information should I send to request a quote?
- Send the part number 15540, and if possible, the width and length from the old belt. Photos of the old belt and the drive pulleys can also help us confirm the correct replacement.

