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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 43 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, 43 in Effective Lg

The DAYCO Serpentine Belt is a 4PK Series Micro-Ribbed V-Belt with 4 ribs and a K Belt Trade Size. It has a 43-inch effective length, an Industry Number of 4PK1090, and is reinforced with Aramid cord material (MPN…

SKU 3G-OTH-491498

Brand
DAYCO
Item
Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 43 in Effective Lg
Category
4PK Series Micro-Ribbed V-Belts
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Technical Specifications

DAYCO
Manufacturer Part Number
5040430
Type
K Belt Trade Size, V-Ribbed Belt
Ribs
4
Effective Lg
43 in
Industry Number
4PK1090
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 and a K Belt Trade Size. It has a 43-inch effective length, an Industry Number of 4PK1090, and is reinforced with Aramid cord material (MPN 5040430).

Frequently Asked Questions

What is a DAYCO Serpentine Belt used for?

A 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 reinforcement provides high strength and flexibility for reliable power transmission under heavy loads.

What are the specifications of the DAYCO 5040430 Serpentine Belt?

The DAYCO 5040430 Serpentine Belt has 4 ribs, a K Belt Trade Size, and a 43-inch effective length. It is a V-ribbed belt with Aramid reinforcing cord material, Industry Number 4PK1090, and is part of the 4PK Series Micro-Ribbed V-Belts. DAYCO is the OEM brand.

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 this 4PK1090 belt with Aramid reinforcement to industrial buyers needing reliable power transmission components.

How to select the right DAYCO Serpentine Belt for my application?

To select the correct DAYCO Serpentine Belt, match the number of ribs (4), effective length (43 in), and trade size (K Belt) to your equipment's specifications. Verify the Industry Number 4PK1090 and Aramid cord reinforcement for high-tension applications. Consult your drive system manual for compatibility.

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, 36 1/2 in Effective Lg (MPN 5040365). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0925.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 36 1/2 in Effective Lg (MPN 5040365). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0925.
DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 88 in Effective Lg, 4 Ribs (MPN 5040880). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK2235.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 88 in Effective Lg, 4 Ribs (MPN 5040880). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK2235.
DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 33 7/8 in Effective Lg (MPN 5040338). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0860.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 33 7/8 in Effective Lg (MPN 5040338). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0860.
DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 33 1/16 in Effective Lg (MPN 5040330). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0840.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 33 1/16 in Effective Lg (MPN 5040330). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0840.
DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 44 1/2 in Effective Lg (MPN 5040445). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1130.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 44 1/2 in Effective Lg (MPN 5040445). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1130.
DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 35 1/32 in Effective Lg (MPN 5040350). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0890.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 35 1/32 in Effective Lg (MPN 5040350). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK0890.
DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 63 19/32 in Effective Lg (MPN 5040636). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1615.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 63 19/32 in Effective Lg (MPN 5040636). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1615.
DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 43 29/32 in Effective Lg (MPN 5040439). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1115.
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DAYCO Serpentine Belt: Serpentine Belt, K Belt Trade Size, V-Ribbed Belt, 43 29/32 in Effective Lg (MPN 5040439). Key specifications — Brand: DAYCO; Reinforcing Cord Material: Aramid; Industry Number: 4PK1115.