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DAYCO 12PK Series Micro-Ribbed V-Belt - 12PK Series Micro-Ribbed V-Belts
DAYCO12PK Series Micro-Ribbed V-Belts

DAYCO 12PK Series Micro-Ribbed V-Belt

The DAYCO Serpentine Belt is a 12PK Series Micro-Ribbed V-Belt with a K Belt Trade Size and V-Ribbed Belt type. It has an Effective Length of 112 3/4 in, Industry Number 12PK2865, and Manufacturer Part Number…

SKU 3G-OTH-496815

Brand
DAYCO
Item
12PK Series Micro-Ribbed V-Belt
Part Number
5121128
Category
12PK Series Micro-Ribbed V-Belts
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

DAYCO
Manufacturer Part Number
5121128
Type
K Belt Trade Size, V-Ribbed Belt
UNSPSC
26111801
Belt Type
Serpentine Belt
Thickness
5/32 in Thickness
Top Width
1-21/32 in Top Width
Belt Style
V-Ribbed
Catalog Page
N/A
Effective Lg
112 3/4 in
Number of Ribs
12
Outside Length
113-13/32 in Outside Length To find the outside length of a belt with worn markings, measure the belt with a V-belt rule.
Belt Trade Size
K
Industry Number
12PK2865
Effective Length
112-3/4 in
Country of Origin
USA (subject to change)
Reinforcing Cord Material
Aramid

Technical Documents

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

Product Description

The DAYCO Serpentine Belt is a 12PK Series Micro-Ribbed V-Belt with a K Belt Trade Size and V-Ribbed Belt type. It has an Effective Length of 112 3/4 in, Industry Number 12PK2865, and Manufacturer Part Number 5121128, featuring Aramid reinforcing cord material.

Frequently Asked Questions

What is the DAYCO Serpentine Belt 5121128 used for?

The DAYCO Serpentine Belt 5121128 drives engine accessories like alternators, water pumps, and power steering pumps in automotive and industrial applications. Its 12PK2865 profile and aramid cord provide high load capacity and durability for demanding belt drives.

What are the specifications of the DAYCO Serpentine Belt 12PK2865?

The DAYCO Serpentine Belt 12PK2865 has a K Belt trade size, V-ribbed design, effective length of 112 3/4 in, and aramid reinforcing cord material. It is part of the 12PK Series Micro-Ribbed V-Belts, with manufacturer part number 5121128.

Where to buy the DAYCO Serpentine Belt 5121128 worldwide?

3G Electric supplies the DAYCO Serpentine Belt 5121128 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this belt to your facility, ensuring you get the correct DAYCO part for your application.

How to select the correct DAYCO serpentine belt for my application?

To select the correct DAYCO serpentine belt, match the effective length (112 3/4 in), rib count (12PK), and industry number (12PK2865) to your drive system. Verify the aramid cord reinforcement meets your load requirements. 3G Electric can help confirm fitment for your equipment.

Used in

Common applications for DAYCO
Automotive repair — Dayco 11A Series cogged V-belts for engine accessory drives
Industrial machinery — Dayco HP Series metric V-belts for power transmission in pumps and compressors
Heavy-duty drives — Dayco XTX Series cogged V-belts for high-load serpentine systems
Engine timing — Dayco 95164 timing belt for camshaft and crankshaft synchronization
Fuel systems — Dayco fuel hoses (SAE J30R7 or J1527) for low-pressure fuel delivery
Marine applications — Dayco fuel hose MPN 80061 or 80064 meeting SAE J1527 for marine fuel systems
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DAYCO Products

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
V-ribbed belt with K Belt trade size and aramid reinforcing cord. Effective length of 47 1/16 inches. Used in automotive and industrial accessory drive systems to transfer power from the engine 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 47 1/16 inches. Used in automotive and industrial accessory drive systems to transfer power from the engine crankshaft to components such as alternators, water pumps, and air conditioning compressors
Micro-ribbed V-belt with 8 ribs and 56-inch effective length. Features aramid reinforcing cord material for high strength. Suitable for serpentine drive systems in automotive and industrial engines, driving accessories such as alternators, water pumps, and power steering pumps
DAYCO
Micro-ribbed V-belt with 8 ribs and 56-inch effective length. Features aramid reinforcing cord material for high strength. Suitable for serpentine drive systems in automotive and industrial engines, driving accessories such as alternators, water pumps, and power steering pumps
V-ribbed serpentine belt with K Belt trade size and 37 in effective length. Features aramid reinforcing cord material for high load capacity. Used to drive engine accessories such as alternators, water pumps, and power steering pumps in automotive and light industrial applications
DAYCO
V-ribbed serpentine belt with K Belt trade size and 37 in effective length. Features aramid reinforcing cord material for high load capacity. Used to drive engine accessories such as alternators, water pumps, and power steering pumps in automotive and light industrial applications

More from DAYCO

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V-ribbed belt for driving engine accessories such as alternators, water pumps, and air conditioning compressors. Features aramid reinforcing cord material for strength. Effective length 97 3/4 in, industry number 12PK2485
DAYCO
V-ribbed belt for driving engine accessories such as alternators, water pumps, and air conditioning compressors. Features aramid reinforcing cord material for strength. Effective length 97 3/4 in, industry number 12PK2485

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