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 Driven unit: alternator (RIDEX, 312D0012) -21%
Deflection / Guide Pulley, v-ribbed belt | RIDEX 312D0012 Article №: 312D0012
RIDEX Deflection / Guide Pulley, v-ribbed belt 312D0012
£ 9,49
£ 7,50
incl. 20% VAT, Shipping
Over 100 items in stock
  • Width [mm] 31
  • Diameter [mm] 60
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt Left Driven unit: alternator for vehicles with start-stop function (SKF, VKM 38071) -21%
Deflection / Guide Pulley, v-ribbed belt | SKF VKM 38071 Article №: VKM 38071
SKF Deflection / Guide Pulley, v-ribbed belt VKM 38071
£ 15,49
£ 12,24
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Over 100 items in stock
  • Width [mm] 30
  • Diameter [mm] 54
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt (SKF, VKM 37050-1) -21%
Deflection / Guide Pulley, v-ribbed belt | SKF VKM 37050-1 Article №: VKM 37050-1
SKF Deflection / Guide Pulley, v-ribbed belt VKM 37050-1
£ 14,49
£ 11,45
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Over 100 items in stock
  • Width [mm] 24.6
  • Diameter [mm] 70
  • Alternative Repair Kit VKM 31011, VKM 31015, VKM 31019, VKM 31022, VKM 31054, VKM 31310, VKM 33033, VKM 33130, VKM 33320, VKM 34012, VKM 34033, VKM 34108, VKM 34110, VKM 35011, VKM 37050, VKM 38020, VKM 38089, VKM 38232, VKM 38343, VKM 38602, VKM 38700
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt Ø: 54,00mm (INA, 532 0234 10) -21%
Deflection / Guide Pulley, v-ribbed belt | INA 532 0234 10 Article №: 532 0234 10
INA Deflection / Guide Pulley, v-ribbed belt 532 0234 10
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Over 100 items in stock
  • Width [mm] 30,00
  • Diameter [mm] 54,00
  • Condition  New
Details
Pulley, water pump IDLER (DAYCO, APV2978) -21%
Pulley, water pump | DAYCO APV2978 Article №: APV2978
DAYCO Pulley, water pump APV2978
£ 29,99
£ 23,69
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Over 100 items in stock
  • Belt Pulley Ø [mm] 125,0
  • Height 1 [mm] 23,0
  • Height 2 [mm] 23,0
  • Weight [kg] 0,44
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt Upper Left Driven unit: alternator (SKF, VKM 38240) -21%
Deflection / Guide Pulley, v-ribbed belt | SKF VKM 38240 Article №: VKM 38240
SKF Deflection / Guide Pulley, v-ribbed belt VKM 38240
£ 21,99
£ 17,37
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Over 100 items in stock
  • Width [mm] 23
  • Diameter [mm] 70
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt Ø: 69,0mm (FEBI BILSTEIN, 11276) -21%
Deflection / Guide Pulley, v-ribbed belt | FEBI BILSTEIN 11276 Article №: 11276
FEBI BILSTEIN Deflection / Guide Pulley, v-ribbed belt 11276
£ 10,99
£ 8,68
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Over 100 items in stock
  • Width [mm] 25,0
  • Diameter [mm] 69,0
  • Material Plastic
  • Weight [kg] 0,107
  • Outer diameter 2 [mm] 69
  • Width 2 [mm] 27
  • Condition  New
Details
Deflection / Guide Pulley, v-ribbed belt Ø: 69,00mm (INA, 532 0160 10) -21%
Deflection / Guide Pulley, v-ribbed belt | INA 532 0160 10 Article №: 532 0160 10
INA Deflection / Guide Pulley, v-ribbed belt 532 0160 10
£ 10,49
£ 8,29
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Over 100 items in stock
  • Width [mm] 26,40
  • Diameter [mm] 69,00
  • Number of ribs 6
  • Observe service information
  • Condition  New
Details
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