Guide pulley for automobile

Spare: Deflection pulley, Idler pulley, Deflection guide pulley v ribbed belt original

Information - Idler pulley

Concerning castors, we should know that there are tension rollers that pull the chain and idle rollers, or fixed castors, which are required for suppression of idle oscillations. Sometimes they are also called chain or belt dampers, because of their function. This element is installed when you need to secure the belt configuration on the main lead and driver pulley for several reasons: for example, to increase the contact area between the belt and the pulley, as well as to provide the bypass of the belt around the protruding element.

Concerning the timing belt tensioner of the gas distribution mechanism and the chain guide, the most important is the fact that the chain or belt that drives the gas distribution mechanism ensures a very well transmission of motion, meaning, they must not hang out or slip. The fixed castors perform this function. They are necessary in order to correct the direction of the belt motion. These rollers do not rotate the belt or the chain. Their purpose is to push them aside, to press them tightly against the gear, as if to fix the item. An important factor in the excellent performance of the rollers is their compatibility in size and durability, as the belt rotates at high speed.

If you have the necessary tools and you have already changed parts on your car, than you will be able to replace this part by yourself. First, you need to unscrew the fixed castor (idle roller) bolt in the counter-clockwise direction. Remembered that the fixed castor bolt is quite long and, on the last turns of the thread, the roller props on the key that holds the belt tensioner. In order to completely unscrew it, just dispose the axle play of the roller. After that the item should be replaced with a new one.

It should also be mentioning that the gas distribution mechanism is an important junction, so replace the worn out part with new one and of high quality.

To do this, please contact our online store where you can buy various auto parts such as nozzles, sidewalls or the timing belts at affordable prices.

What you need to know about timing belt pulley: lifetime limits, common defects and their signs, tips and recommendations

The idler pulley of the timing belt is replaced together with the belt itself and the tensioner pulley every 80 000 – 120 000 kilometers of mileage. Premature replacement of the pulleys may be required at their jamming due to bearing wear, appearance of cracks on the surface.

The main sign of timing belt idler pulley defect is foreign sounds from under the bonnet (swish, hiss) during engine operation. Precise diagnostics can be performed only at a service station. In order to examine the drive elements of the timing mechanism and define their wear degree, specialists will demount some accessories, including the alternator belt, tensioner and idler pulley of the V-belt, and in some cases – the air filter body.

Replacement of the timing belt idler pulley, as well as other elements of the timing mechanism is a technically complicated procedure, for performing of which high qualification is required. Non-observance of part installation procedures may lead to breakage of the belt and damaging of the engine. Car station specialists will inspect the alternator belt during installation of a new timing belt. If there are signs of wear on it, it is recommended to purchase and install a new alternator poly V-belt and pulleys kit.

Guide pulley at low cost: Top Spares

Deflection / Guide Pulley, v-ribbed belt 70mm (RIDEX, 312D0011) -28%
original Deflection / Guide Pulley, v-ribbed belt RIDEX 312D0011 Article №: 312D0011
RIDEX Deflection / Guide Pulley, v-ribbed belt 312D0011
£ 17,99**
£ 12,95
incl. 20% VAT, excl. delivery costs
Over 100 items in stock
  • Width [mm] 27
  • Diameter [mm] 70
  • Material Metal
  • Inner diameter [mm] 8
  • Supplementary Article/Info 2 with fastening material, with screw
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt 70mm (RIDEX, 312D0016) -28%
original Deflection / Guide Pulley, v-ribbed belt RIDEX 312D0016 Article №: 312D0016
RIDEX Deflection / Guide Pulley, v-ribbed belt 312D0016
£ 10,49**
£ 7,55
incl. 20% VAT, excl. delivery costs
Over 100 items in stock
  • Width [mm] 25
  • Diameter [mm] 70
  • Supplementary Article/Info 2 with fastening material
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt (RIDEX, 312D0012) -28%
original Deflection / Guide Pulley, v-ribbed belt RIDEX 312D0012 Article №: 312D0012
RIDEX Deflection / Guide Pulley, v-ribbed belt 312D0012
£ 8,99**
£ 6,47
incl. 20% VAT, excl. delivery costs
Over 100 items in stock
  • Width [mm] 31
  • Diameter [mm] 60
  • Material Plastic
  • Inner diameter [mm] 17
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt 65,00mm (INA, 532 0570 10) -28%
original Deflection / Guide Pulley, v-ribbed belt INA 532 0570 10 Article №: 532 0570 10
INA Deflection / Guide Pulley, v-ribbed belt 532 0570 10
£ 14,49**
£ 10,43
incl. 20% VAT, excl. delivery costs
Over 100 items in stock
  • Width [mm] 26,00
  • Diameter [mm] 65,00
  • Thread Size M10
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt 90,00mm (INA, 532 0169 10) -28%
original Deflection / Guide Pulley, v-ribbed belt INA 532 0169 10 Article №: 532 0169 10
INA Deflection / Guide Pulley, v-ribbed belt 532 0169 10
£ 22,99**
£ 16,55
incl. 20% VAT, excl. delivery costs
Over 100 items in stock
  • Width [mm] 25,00
  • Diameter [mm] 90,00
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt 70mm (SKF, VKM 38004) -28%
original Deflection / Guide Pulley, v-ribbed belt SKF VKM 38004 Article №: VKM 38004
SKF Deflection / Guide Pulley, v-ribbed belt VKM 38004
£ 19,49**
£ 14,03
incl. 20% VAT, excl. delivery costs
Over 100 items in stock
  • Width [mm] 25
  • Diameter [mm] 70
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt (CAFFARO, 251-112) -28%
original Deflection / Guide Pulley, v-ribbed belt CAFFARO 251-112 Article №: 251-112
CAFFARO Deflection / Guide Pulley, v-ribbed belt 251-112
£ 12,49**
£ 8,99
incl. 20% VAT, excl. delivery costs
Over 100 items in stock
  • Width [mm] 28
  • Diameter [mm] 55
  • Material Plastic
  • Inner diameter [mm] 8
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt 70,00mm (INA, 532 0001 10) -28%
original Deflection / Guide Pulley, v-ribbed belt INA 532 0001 10 Article №: 532 0001 10
INA Deflection / Guide Pulley, v-ribbed belt 532 0001 10
£ 17,49**
£ 12,59
incl. 20% VAT, excl. delivery costs
Over 100 items in stock
  • Width [mm] 24,50
  • Diameter [mm] 70,00
  • Condition  New
Details
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