HomeBelts and Cooling > Accessory Drive Belt System ComponentsVaico V20-3406 Accessory Drive Belt Idler Pulley - Left or Right
Part #: V20-3406

Vaico V20-3406 Accessory Drive Belt Idler Pulley - Left or Right

VAICO, Right and Left
⚙️ 7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦VAICO, Right and Left
🚗Fitment: BMW, 740i, 740Li, and X6
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Overview of VAICO Accessory Drive Belt Idler Pulley V20-3406

The VAICO accessory drive belt idler pulley V20-3406 is designed to maintain proper tension and alignment in the accessory drive belt system. Engineered for select BMW models, this component ensures smooth operation of belt-driven accessories.

  • Diameter: 70 mm
  • Height: 34 mm
  • Length: 70 mm
  • Width: 70 mm
  • Weight: 0.220 kg

VAICO Product Line Details

The VAICO brand line specializes in high-quality automotive components, focusing on precision and durability. This accessory drive belt idler pulley is part of VAICO's range of belt and cooling system components, engineered to meet OEM specifications for reliable performance in BMW vehicles.

Detailed Product Description

The VAICO V20-3406 accessory drive belt idler pulley features a 70 mm diameter and width, with a height of 34 mm, providing the necessary dimensions to fit seamlessly within the accessory drive belt system. Weighing 0.220 kg, this pulley is designed to support the tension and routing of the drive belt, reducing wear and preventing slippage. Its precise measurements ensure compatibility with BMW 740i, 740Li, and X6 models, maintaining optimal belt alignment and system efficiency.

Compatible Vehicles and Common Applications

  • Compatible with BMW 740i models
  • Compatible with BMW 740Li models
  • Compatible with BMW X6 models
  • Used to maintain proper belt tension and alignment
  • Helps prevent belt noise and premature wear

Installation Notes and Tips

When installing the VAICO V20-3406 idler pulley, ensure the accessory drive belt is properly routed according to the vehicle’s service manual. Verify pulley alignment and tension to avoid belt slippage or damage. It is recommended to inspect the belt and related components for wear during installation to maintain system reliability.

Quality Assurance and Warranty

VAICO products are manufactured to meet strict quality standards, ensuring durability and performance. The V20-3406 accessory drive belt idler pulley undergoes rigorous testing to comply with OEM specifications. Warranty details should be confirmed with the point of purchase or manufacturer documentation.

BrandVaico
Part NumberV20-3406
PositionVAICO, Right and Left
Diameter [mm]70
Height [mm]34
Length [mm]70
Packaging Depth [cm]5
Packaging height [cm]9
Packaging width [cm]9,3
Weight [kg]0.220
Width [mm]70

This part fits 7 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2012BMW740iBase3.0LL6LeftAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2012BMW740LiBaseLeftAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2011BMW740iBase3.0LL6LeftAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2011BMW740LiBaseLeftAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2010BMWX6xDrive35iRightGrade: Aftermarket; Description: Ribbed V-Belt; Grooved; VAICO
2009BMWX6xDrive35iRightGrade: Aftermarket; Description: Ribbed V-Belt; Grooved; VAICO
2008BMWX63.0LL6RightGrade: Aftermarket; Description: Ribbed V-Belt; Grooved; VAICO

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

11 28 7 559 8897 559 889

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.