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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 39 in Effective Lg - 4PK Series Micro-Ribbed V-Belts
DAYCO4PK Series Micro-Ribbed V-Belts

DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 39 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 39-inch effective length. It features aramid reinforcing cord material and is identified by Industry Number…

SKU 3G-OTH-491489

Brand
DAYCO
Item
Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 39 in Effective Lg
Category
4PK Series Micro-Ribbed V-Belts
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Technical Specifications

DAYCO
Manufacturer Part Number
5040390
Type
K Belt Trade Size, V-Ribbed Belt
Ribs
4
Effective Lg
39 in
Industry Number
4PK0990
Reinforcing Cord Material
Aramid
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DAYCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DAYCO Serpentine Belt is a 4PK Series Micro-Ribbed V-Belt with 4 ribs, a K Belt Trade Size, and a 39-inch effective length. It features aramid reinforcing cord material and is identified by Industry Number 4PK0990 (MPN 5040390).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 4-rib V-ribbed design with aramid cord provides reliable power transmission and long service life under high loads.

What are the specifications of the DAYCO 5040390 Serpentine Belt?

The DAYCO 5040390 is a 4PK Series Micro-Ribbed V-Belt with 4 ribs, K Belt Trade Size, 39 in effective length, and aramid reinforcing cord. Industry Number 4PK0990. It is a V-ribbed belt designed for serpentine drive systems requiring compact, high-torque transmission.

Where to buy a DAYCO Serpentine Belt worldwide?

3G Electric supplies the DAYCO Serpentine Belt 5040390 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this 4PK0990 belt.

How to select the correct DAYCO Serpentine Belt?

To select the correct DAYCO Serpentine Belt, match the number of ribs (4), effective length (39 in), and trade size (K Belt) to your application. Verify the Industry Number 4PK0990 or MPN 5040390 against your existing belt. DAYCO belts with aramid cord suit high-tension drives.

Used in

Common applications for DAYCO
Automotive service centers — DAYCO metal exhaust hoses (SKU 4GKA4, 4GKA5) for flexible exhaust extraction from vehicle tailpipes during repair.
Marine engine rooms — DAYCO 304 stainless steel exhaust hoses (SKU 4GKA8, 4GKA7) for venting diesel generator exhaust in confined spaces.
Fuel system maintenance — DAYCO SAE J30R7 fuel hoses (SKU 4GJW1) for replacement of low-pressure fuel lines in industrial engines.
High-temperature fuel injection — DAYCO FKM fuel injection hose (SKU 4GJW6) for return lines on common-rail diesel systems operating above 250°F.
Industrial ventilation — DAYCO metal exhaust kits (SKU 4GKC1) for connecting fume hoods to exhaust ducts in welding or chemical processing areas.
Biofuel handling — DAYCO SAE J1527 fuel hoses (SKU 4GJW3) for transfer of biodiesel blends in agricultural equipment refueling stations.

DAYCO 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.

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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 24 13/16 in Effective Lg (MPN 5040248). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0630.
DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 46 1/16 in Effective Lg (MPN 5040460). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1170.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 46 1/16 in Effective Lg (MPN 5040460). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1170.
DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 37 13/16 in Effective Lg (MPN 5040378). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0960.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 37 13/16 in Effective Lg (MPN 5040378). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0960.
DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 38 19/32 in Effective Lg (MPN 5040385). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0980.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 38 19/32 in Effective Lg (MPN 5040385). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0980.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 94 3/32 in Effective Lg (MPN 5040940). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK2390.
DAYCO Automotive Drive Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 4PK1890, 4 Ribs (MPN 5040745). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1890.
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DAYCO Automotive Drive Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 4PK1890, 4 Ribs (MPN 5040745). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1890.
DAYCO Automotive Drive Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 4PK1360, 4 Ribs (MPN 5040535). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1360.
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DAYCO Automotive Drive Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 4PK1360, 4 Ribs (MPN 5040535). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1360.