DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt
The DAYCO Serpentine Belt is a 4PK Series Micro-Ribbed V-Belt with a K Belt Trade Size and V-Ribbed Belt type. It has an effective length of 37 13/16 inches, an Industry Number of 4PK0960, and a Manufacturer Part…
SKU 3G-OTH-491486
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Product Description
The DAYCO Serpentine Belt is a 4PK Series Micro-Ribbed V-Belt with a K Belt Trade Size and V-Ribbed Belt type. It has an effective length of 37 13/16 inches, an Industry Number of 4PK0960, and a Manufacturer Part Number of 5040378. The belt features aramid reinforcing cord material for strength.
Frequently Asked Questions
What is a DAYCO Serpentine Belt used for?
The DAYCO Serpentine Belt drives engine accessories like alternators, water pumps, and power steering pumps in automotive and industrial equipment. Its aramid-reinforced cord provides high strength and durability under continuous flexing and heat, making it suitable for demanding belt-driven systems.
What are the specifications of the DAYCO 5040378 Serpentine Belt?
The DAYCO 5040378 is a 4PK0960 Micro-Ribbed V-Belt with a K Belt Trade Size and V-Ribbed type. It has an effective length of 37 13/16 inches and features aramid reinforcing cord material for strength. The industry number is 4PK0960, and the manufacturer part number is 5040378.
Where to buy a DAYCO Serpentine Belt worldwide?
3G Electric supplies the DAYCO Serpentine Belt worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine DAYCO belts like the 5040378 with aramid reinforcement. Contact us for availability and lead time to your location.
How to install a DAYCO Serpentine Belt?
To install a DAYCO Serpentine Belt, first relieve tension using the tensioner pulley, then route the belt according to the engine diagram, ensuring the V-ribs align with all pulleys. Release tensioner slowly to apply proper tension. Always replace the belt if worn or glazed, and check alignment to prevent premature failure.
Used in
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.









