Serpentine Belts

PIX-FORCE® Automotive Poly-V Belts

Suitable for smaller diameter pulleys

Low noise

Superior flexibility

Serpentine drive

Ozone-resistant

Anti-static

Oil-resistant

Heat-resistant

Temperature range -35°C to +130°C

Cover

Wear-resistant, EPDM rubberized, blended fabric

Cushion Matrix

EPDM rubber compound

Tensile Member

Polyester Cord

Compression Matrix

EPDM base compound

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Reference Standards

ISO 9981, RMA IP 26, JASO E-109

Applications


Automotive engines, Alternators, Compressors, Water pumps, Fans, Power steering pumps, etc.

Notes

  • Intermediate sizes are available upon request

Product Label

image box

Product range

Section Thickness
(mm)		 Rib Pitch
(mm)		 Min. Pulley Dia.
(mm)		 No. of Possible Ribs Manufacturing Range Length Designation Additional Product
Details
Min.
(mm)		 Max.
(mm)
PK 4.5 3.56 45 2 to 150* 280 5000 Le
DPK 7.0 3.56 50 2 to 13 1195 3255 Le

Notes

* Belts are available in Moulded type: PK-710, 720, 730, 740, PK-750, 770, 800, 875, 930, 1035, 1040, 1045,1094, 1115, 1170, 1200, 1220, 1240, 1250, 1323, 1363, 1370, 1385, 1397, 1422, 1435, 1515, 1570, 1585, 1665, 1705, 1820, 1835, 1866, 2245

In olden days the engines used to be equipped with multiple Belts, performing varied functions. However, modern vehicles are designed to function fully using just a single V-Belt. It is mostly the Poly-V Belt or also known as Serpentine Belts, which is used to power the alternator, power steering, air-conditioning, and all other accessories.

The Serpentine Belts is either a V-Belt of a flat ribbed belt. The advancement in the technology and the rubber compounding has made the Serpentine Belts as the most reliable, single element to drive all the accessories associated with the engine.

The Serpentine Belts may solely operate the alternator or it may also drive other components such as water pump, air compressor, air conditioning compressor and power steering pump etc.

Product Selection Dashboard

Belt Selection
Guide

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Drive Design Calculator

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Optimal Drive Configurator

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Specification
Sheet Generator

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Frequently Asked Questions

A Serpentine Belt, also known as a multi-ribbed belt or a drive belt, is a single, continuous belt that winds through various pulleys in an engine to power multiple components simultaneously.
It drives essential engine components such as the alternator, power steering pump, air conditioning compressor, water pump, and sometimes the cooling fan, providing power to these accessories as the engine runs.
Unlike older engines that used multiple Belts for different accessories, a Serpentine Belt is a single belt that efficiently powers multiple engine components, saving space and enhancing efficiency.
They are typically made from durable materials like rubber compounds reinforced with synthetic materials such as polyester or aramid fibers for strength and resistance to wear.
Signs include visible wear, cracking, fraying, loss of tension, squealing noises, or accessories like the alternator not functioning properly.
Replacing a Serpentine Belt requires specific knowledge due to its routing complexity and tensioning requirements. It's advisable to seek assistance from a qualified technician for proper replacement.
Regular inspection for wear, proper tension adjustment, alignment checks, and following manufacturer-recommended maintenance schedules are crucial for maximizing belt lifespan and efficiency.
If the belt breaks while the engine is running, it can cause accessories like the alternator or water pump to stop functioning, potentially leading to engine overheating or battery discharge.
Extreme heat or cold can impact the belt's performance and lifespan, so regular inspection and adherence to maintenance schedules become even more critical in harsh conditions.
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