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Drive Belts Polyrib

Dayco® developed the first Polyrib® or Multirib belt for the Ford Mustang in the USA in 1979. The multiple rib and flat design provides better belt to pulley contact for less slippage than conventional V-belts. Multiple ribs also eliminate the need for matching and allows for controlled slippage in overload situations, such as when an A/C compressor engages. Today as in 1979 this belt sets the industry standard. The grooved design provides flexural stress relief for increased flexibility in both normal and backside bending. The grooves also render the belt less susceptible to environmental factors such as dust and splash induced slip. Dayco’s superior manufacturing technology uses rubber impregnated fabric backing that maximizes load carrying capability and minimizes noise often associated with competitors belts. The cord is saturated with a specially formulated treatment that insures length and belt stability for the life of the belt.


DAYCO® GOLD LABEL® Belt Heavy Duty

The Dayco Gold Label serpentine belt is a diesel grade belt that features higher performance construction over conventional light duty belts in order to meet the high torque and power pulses exerted by today's demanding diesel engines. The specially treated cords within the belt resist stretching and ensure the length stability that is essential for drive systems on high output diesel and petrol engines.

The belt’s heavy duty construction provides additional integrity without sacrificing flexibility or belt-to-pulley compatibility. The Dayco Gold Label serpentine belt is also engineered with high-grade EPDM compounds and is built to resist the heat and harsh under hood environments experienced in over-the-road and off-road conditions.



Part numbering system


Click on a column heading to sort the items in the list

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Part numberDescription
20-1836Polyrib serial belt "6PK2205"
20-1837Polyrib serial belt "6PK2540"
20-3439Polyrib serial belt "6PK2218"
20-5355Polyrib serial belt "6PK2350"
20-7693Polyrib serial belt "6PK2380"
20-7694Polyrib serial belt "6PK2510"
20-7695Polyrib serial belt "6PK2410"
20-7856Polyrib serial belt "6PK2400"
20-8832Polyrib serial belt "12PK2370"
20-9554Polyrib serial belt "8PK3130"
21-0914Polyrib serial belt "6PK2560"
3PK0500W-Profile polyrib belt
3PK0515Polyrib belt
3PK0525Polyrib belt
3PK0550W-Profile polyrib belt
3PK0560W-Profile polyrib belt
3PK0575Polyrib belt
3PK0600Polyrib belt
3PK0610Polyrib belt
3PK0625W-Profile polyrib belt
3PK0630W-Profile polyrib belt
3PK0635W-Profile polyrib belt
3PK0650Polyrib belt
3PK0670W-Profile polyrib belt
3PK0675W-Profile polyrib belt
3PK0680W-Profile polyrib belt
3PK0690W-Profile polyrib belt
3PK0710Polyrib belt
3PK0725Polyrib belt
3PK0735Polyrib belt
3PK0745Polyrib belt
3PK0750W-Profile polyrib belt
3PK0760W-Profile polyrib belt
3PK0765Polyrib belt
3PK0780Polyrib belt
3PK0788Polyrib belt
3PK0810W-Profile polyrib belt
3PK0812Polyrib belt
3PK0820W-Profile polyrib belt
3PK0825Polyrib belt
3PK0830Polyrib belt
3PK0840W-Profile polyrib belt
3PK0850W-Profile polyrib belt
3PK0855W-Profile polyrib belt
3PK0860W-Profile polyrib belt
3PK0870Polyrib belt
3PK0875W-Profile polyrib belt
3PK0885W-Profile polyrib belt
3PK0895W-Profile polyrib belt
3PK0900W-Profile polyrib belt
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