Poly-V belt Dayco 5040745
- Brand
- DAYCO
- Category
- Power transmission
- Subcategory
- Poly-V belts
- Series
- Poly V automotor
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Description
DAYCO 5040745 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 5040745 and any equivalents.
This Dayco 5040745 is an automotive multi-rib (serpentine) belt with 4 ribs, a width of 13.72 mm and an effective length of 1890.01 mm. It is also listed under the alias 4PK1890. Serpentine belts like this one drive accessories such as alternators, power steering pumps and air conditioning compressors on many vehicles.
To confirm fit, compare the marking on the back of your old belt with the part number and the 4PK1890 alias, then check the number of ribs and the effective length. The profile is 4 ribs with a width of 13.72 mm and a length of 1890.01 mm. Because this is an effective length measurement, the belt is measured around its running circumference, not its outside diameter.
If you are unsure, send us the vehicle year, make, model and engine, or a photo of the old belt marking. We can help confirm the right belt or suggest an equivalent from the brands we carry. When replacing a serpentine belt, inspect the pulleys and tensioner for wear and check that the belt routes correctly across all ribs.
Dimensions
- Grooves
- 4
- Length
- 1890.01mm
Frequently asked questions
- What is the difference between the Dayco 5040745 and 4PK1890?
- They refer to the same belt. 5040745 is the Dayco part number and 4PK1890 is an alias. Both identify a 4-rib serpentine belt with an effective length of 1890.01 mm and a width of 13.72 mm.
- How do I confirm this belt fits my vehicle?
- Check the marking on your old belt for the part number or the 4PK1890 alias, and compare the number of ribs and the effective length. If you are unsure, send us the vehicle year, make, model and engine for confirmation.
- What should I inspect when replacing a serpentine belt?
- Inspect the pulleys and tensioner for wear, and make sure the new belt routes correctly across all ribs. A worn tensioner or misaligned pulley can cause the belt to slip or wear quickly.