DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 31 in Effective Lg
The DAYCO Serpentine Belt is a 4PK Series Micro-Ribbed V-Belt with 4 ribs, a K Belt Trade Size, and a 31-inch effective length. It features aramid reinforcing cord material and is identified by Industry Number…
SKU 3G-OTH-491463
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Product Description
The DAYCO Serpentine Belt is a 4PK Series Micro-Ribbed V-Belt with 4 ribs, a K Belt Trade Size, and a 31-inch effective length. It features aramid reinforcing cord material and is identified by Industry Number 4PK0785 (MPN 5040310).
Frequently Asked Questions
What is the DAYCO 5040310 serpentine belt used for?
The DAYCO 5040310 serpentine belt drives engine accessories like alternators, water pumps, and power steering pumps. Its 4-rib K-belt design and aramid cord provide reliable power transmission in automotive and light industrial applications where a 31-inch effective length is required.
What are the specifications of the DAYCO 4PK0785 belt?
The DAYCO 4PK0785 belt has 4 ribs, a K Belt Trade Size, and a 31-inch effective length. It uses aramid reinforcing cord material and is a V-ribbed serpentine belt. The manufacturer part number is 5040310, and the industry number is 4PK0785.
Where to buy DAYCO serpentine belts worldwide?
3G Electric supplies DAYCO serpentine belts worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on the DAYCO 5040310 belt or other DAYCO power transmission products.
How to select the right DAYCO serpentine belt?
To select the correct DAYCO serpentine belt, match the number of ribs, effective length, and trade size to your application. For the 5040310, confirm 4 ribs and a 31-inch effective length. Always verify the industry number 4PK0785 against your existing belt or vehicle specifications.
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Common applications for DAYCODAYCO Products
3G Electric supplies DAYCO 4pk series micro-ribbed v-belts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









