DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt
The DAYCO Serpentine Belt is a 12PK Series Micro-Ribbed V-Belt with a K Belt Trade Size and V-Ribbed design. It features an Effective Length of 90 1/4 in, Industry Number 12PK2290, and a Reinforcing Cord Material of…
SKU 3G-OTH-496812
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Product Description
The DAYCO Serpentine Belt is a 12PK Series Micro-Ribbed V-Belt with a K Belt Trade Size and V-Ribbed design. It features an Effective Length of 90 1/4 in, Industry Number 12PK2290, and a Reinforcing Cord Material of Aramid (MPN 5120903).
Frequently Asked Questions
What is a DAYCO serpentine belt used for?
A DAYCO serpentine belt drives engine accessories like the alternator, water pump, and power steering pump. Its V-ribbed design provides high torque transmission and quiet operation. This 12PK2290 belt is common in automotive and light industrial applications requiring a 90 1/4 in effective length.
What are the specifications of the DAYCO 5120903 serpentine belt?
The DAYCO 5120903 is a 12PK Series Micro-Ribbed V-Belt with K Belt Trade Size, V-Ribbed design, and 90 1/4 in effective length. It has Industry Number 12PK2290 and aramid reinforcing cord material for high strength and heat resistance. It is a direct replacement for many OEM systems.
Where to buy a DAYCO serpentine belt worldwide?
3G Electric supplies the DAYCO 5120903 serpentine belt to customers worldwide. We handle full logistics and customs clearance for international orders. As a global industrial sourcing partner, we provide genuine DAYCO belts and can quote for bulk or single-unit requirements with delivery to your location.
How to select the correct DAYCO serpentine belt?
To select the correct DAYCO serpentine belt, match the effective length (90 1/4 in), rib count (12PK), and trade size (K Belt) to your application. Verify the Industry Number 12PK2290 against your old belt or vehicle specifications. DAYCO belts with aramid cord offer superior durability for high-load or high-temperature environments.
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3G Electric supplies DAYCO 12pk series micro-ribbed v-belts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









