Multi Groove Belt
Pictures are for illustration Purposes only.
D.O.E. MULTI GROOVE BELTS conform to Original Equipment Auto specification JASO - E -109 -94 SAE J1459 and RMA IP26 which requires the use of heat, ozone and oil resistant compounds.
Most engines utilize multi-groove pulleys, smaller engines usually using shorter 4PK belts with two or three belts per engine, and bigger engines utilize the wider 5PK to 12PK belts and use longer lengths to run alternator, water pump, air conditioner and power steering, in one configuration, with tensioners and jockey pulleys.
Before removing a belt used in a serpent application, copy the way it is threaded to avoid the belt being incorrectly fitted.
Tensioning of Multi Groove Belts Is Critical, an under tensioned belt will generate excessive heat and result in early belt failure. Over tensioning will result in early bearing failure.
Length Tolerances - Shorter belts have a tolerance of Â±4 mm and longer belts Â±6 mm therefore you can use belts close to what manufacturers specify. For example, if you need a belt 885mm long, one can use a 880mm or 890mm length belt.
All D.O.E. MULTI GROOVE BELTS are produced by an ISO 9001, ISO 14001, BS OHSAS 18001 and ISO TS 16949 Accredited Factory which ensures they have a measurable continuous improvement program and are acceptable to all major car manufacturers worldwide.
A further advantage of the polygroove belt that makes them popular is that they can run over pulleys on the ungrooved back of the belt. Though this is sometimes done with V-belts with a single idler pulley for tensioning, a polygroove belt may be wrapped around a pulley on its back tightly enough to change its direction, or even to provide a light driving force.
If you are unsure please visit our part number catalog in the index.
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