Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

DAYCO 4PK1005 Micro-Ribbed V-Belt, 39 9/16 in Effective Length, Aramid Cord - 4PK Series Micro-Ribbed V-Belts
DAYCO4PK Series Micro-Ribbed V-Belts

DAYCO 4PK1005 Micro-Ribbed V-Belt, 39 9/16 in Effective Length, Aramid Cord

The DAYCO Serpentine Belt is a 4PK Series Micro-Ribbed V-Belt with a K Belt Trade Size and V-Ribbed Belt type. It features an Effective Length of 39 9/16 inches, an Industry Number of 4PK1005, and a Reinforcing Cord…

SKU 3G-OTH-491490

Brand
DAYCO
Item
4PK1005 Micro-Ribbed V-Belt, 39 9/16 in Effective Length, Aramid Cord
Category
4PK Series Micro-Ribbed V-Belts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

DAYCO
Manufacturer Part Number
5040395
Type
K Belt Trade Size, V-Ribbed Belt
Effective Lg
39 9/16 in
Industry Number
4PK1005
Reinforcing Cord Material
Aramid

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

DAYCO Products
3G Electric (S) Pte. Ltd. — Singapore

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 features an Effective Length of 39 9/16 inches, an Industry Number of 4PK1005, and a Reinforcing Cord Material of Aramid (MPN 5040395).

Frequently Asked Questions

What is a DAYCO serpentine belt used for?

A DAYCO serpentine belt drives engine accessories such as alternators, water pumps, and power steering pumps in automotive and industrial equipment. Its V-ribbed design provides high torque transmission and quiet operation. 3G Electric supplies this belt across 14 industrial departments, including power transmission and machining.

What are the specifications of the DAYCO 5040395 serpentine belt?

The DAYCO 5040395 serpentine belt is a 4PK Series Micro-Ribbed V-Belt with a K Belt Trade Size. It has an effective length of 39 9/16 inches, an Industry Number of 4PK1005, and aramid reinforcing cord material. This belt is designed for reliable power transmission in demanding applications.

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 specialist across 14 industrial departments, we provide genuine DAYCO belts like the 5040395. Contact us for availability and lead time to your location.

How to select the right DAYCO serpentine belt?

To select the correct DAYCO serpentine belt, verify the effective length (39 9/16 in for model 5040395), rib count (4PK), and trade size (K Belt). Check your equipment's belt routing diagram and ensure the aramid cord material matches load requirements. 3G Electric can help confirm fitment for your application.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
V-ribbed belt with K belt trade size, 4 ribs, and aramid reinforcing cord. Effective length of 37 1/4 inches. Used in serpentine drive systems to transfer power from the engine crankshaft to accessories such as alternators, water pumps, and power steering pumps
DAYCO
V-ribbed belt with K belt trade size, 4 ribs, and aramid reinforcing cord. Effective length of 37 1/4 inches. Used in serpentine drive systems to transfer power from the engine crankshaft to accessories such as alternators, water pumps, and power steering pumps
V-ribbed belt with K Belt trade size, effective length 30 1/2 inches, industry number 4PK0775. Reinforced with aramid cord for tensile strength. Used in automotive and industrial multi-ribbed drive systems to power accessories such as alternators, water pumps, and power steering pumps
DAYCO
V-ribbed belt with K Belt trade size, effective length 30 1/2 inches, industry number 4PK0775. Reinforced with aramid cord for tensile strength. Used in automotive and industrial multi-ribbed drive systems to power accessories such as alternators, water pumps, and power steering pumps
V-ribbed belt with aramid reinforcing cord for driving engine accessories such as alternators, water pumps, and power steering pumps. Effective length of 130 inches, K belt trade size, industry number 8PK3300
DAYCO
V-ribbed belt with aramid reinforcing cord for driving engine accessories such as alternators, water pumps, and power steering pumps. Effective length of 130 inches, K belt trade size, industry number 8PK3300
V-ribbed belt for serpentine drive systems, with K Belt trade size and aramid reinforcing cord. Effective length 38 19/32 inches, industry number 8PK0980. Used to drive engine accessories such as alternators, water pumps, and power steering pumps
DAYCO
V-ribbed belt for serpentine drive systems, with K Belt trade size and aramid reinforcing cord. Effective length 38 19/32 inches, industry number 8PK0980. Used to drive engine accessories such as alternators, water pumps, and power steering pumps
This DAYCO V-ribbed belt features aramid reinforcing cord material for strength. With a K Belt Trade Size and 35 1/2 in effective length, it is designed for driving engine accessories such as alternators, water pumps, and power steering pumps in automotive and light industrial applications
DAYCO
This DAYCO V-ribbed belt features aramid reinforcing cord material for strength. With a K Belt Trade Size and 35 1/2 in effective length, it is designed for driving engine accessories such as alternators, water pumps, and power steering pumps in automotive and light industrial applications
V-ribbed belt with aramid reinforcing cord for strength. Effective length of 54 23/32 inches, K Belt Trade Size, Industry Number 5PK1390. Used for driving engine accessories such as alternators, water pumps, and power steering pumps in automotive and industrial equipment
DAYCO
V-ribbed belt with aramid reinforcing cord for strength. Effective length of 54 23/32 inches, K Belt Trade Size, Industry Number 5PK1390. Used for driving engine accessories such as alternators, water pumps, and power steering pumps in automotive and industrial equipment

More from DAYCO

View all DAYCO parts
V-ribbed belt with K belt trade size and aramid reinforcing cord. Effective length of 36 1/32 in. Used in serpentine drive systems to transfer power from the engine crankshaft to accessories such as alternators, water pumps, and power steering pumps
DAYCO
V-ribbed belt with K belt trade size and aramid reinforcing cord. Effective length of 36 1/32 in. Used in serpentine drive systems to transfer power from the engine crankshaft to accessories such as alternators, water pumps, and power steering pumps
This V-ribbed belt features 4 ribs and aramid reinforcing cord for high strength and flexibility. With a K belt trade size and 53-inch effective length, it is suited for serpentine drive systems in automotive and industrial equipment, driving accessories such as alternators, water pumps, and power steering pumps
DAYCO
This V-ribbed belt features 4 ribs and aramid reinforcing cord for high strength and flexibility. With a K belt trade size and 53-inch effective length, it is suited for serpentine drive systems in automotive and industrial equipment, driving accessories such as alternators, water pumps, and power steering pumps
V-ribbed belt with 4 ribs, K Belt trade size, and 52 in effective length. Reinforced with aramid cord for strength. Used to drive engine accessories such as alternators, water pumps, and power steering pumps
DAYCO
V-ribbed belt with 4 ribs, K Belt trade size, and 52 in effective length. Reinforced with aramid cord for strength. Used to drive engine accessories such as alternators, water pumps, and power steering pumps
This DAYCO V-ribbed belt, trade size K, has an effective length of 23 13/16 inches and is reinforced with aramid cord. It is designed for serpentine accessory drive systems in automotive and light industrial applications, powering components such as alternators, water pumps, and power steering pumps
DAYCO
This DAYCO V-ribbed belt, trade size K, has an effective length of 23 13/16 inches and is reinforced with aramid cord. It is designed for serpentine accessory drive systems in automotive and light industrial applications, powering components such as alternators, water pumps, and power steering pumps
V-ribbed belt with K belt trade size and aramid reinforcing cord. Effective length of 63 inches, industry number 4PK1600. Used in automotive accessory drive systems to transfer power from the crankshaft to components such as alternators, water pumps, and air conditioning compressors
DAYCO
V-ribbed belt with K belt trade size and aramid reinforcing cord. Effective length of 63 inches, industry number 4PK1600. Used in automotive accessory drive systems to transfer power from the crankshaft to components such as alternators, water pumps, and air conditioning compressors
V-ribbed belt with K belt trade size and aramid reinforcing cord for strength. Effective length of 31 1/2 inches. Used to drive engine accessories such as alternators, water pumps, and power steering pumps in automotive and industrial applications
DAYCO
V-ribbed belt with K belt trade size and aramid reinforcing cord for strength. Effective length of 31 1/2 inches. Used to drive engine accessories such as alternators, water pumps, and power steering pumps in automotive and industrial applications
V-ribbed belt with K Belt Trade Size, 57 1/2 in effective length, and aramid reinforcing cord. Designed for driving engine accessories such as alternators, water pumps, and power steering pumps in automotive and light industrial applications
DAYCO
V-ribbed belt with K Belt Trade Size, 57 1/2 in effective length, and aramid reinforcing cord. Designed for driving engine accessories such as alternators, water pumps, and power steering pumps in automotive and light industrial applications
V-ribbed belt with 4 ribs, K Belt Trade Size, and 40 in effective length. Reinforced with aramid cord for high load capacity. Used in automotive and industrial engines to drive accessories such as alternators, water pumps, and power steering pumps
DAYCO
V-ribbed belt with 4 ribs, K Belt Trade Size, and 40 in effective length. Reinforced with aramid cord for high load capacity. Used in automotive and industrial engines to drive accessories such as alternators, water pumps, and power steering pumps