HomeBelts and Cooling > Accessory Drive Belt System ComponentsVaico V20-1840 Accessory Drive Belt Tensioner Assembly
Part #: V20-1840

Vaico V20-1840 Accessory Drive Belt Tensioner Assembly

VAICO
⚙️ 64 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦VAICO
🚗Fitment: BMW, 128i, 328i, 328i xDrive, 323i, Z4, 528i, 528i xDrive, X3, X5, 328xi, 528xi, 525i, 525xi, 530i, 530xi, 325i, 325xi, 330i, and 330xi
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Overview of VAICO Accessory Drive Belt Tensioner Assembly V20-1840

The VAICO Accessory Drive Belt Tensioner Assembly V20-1840 is engineered for precise fitment and reliable performance in various BMW models. Designed to maintain optimal tension on the accessory drive belt, this component ensures smooth operation of engine accessories.

  • Height: 83 mm
  • Length: 142 mm
  • Outer diameter: 70 mm
  • Width: 106 mm
  • Weight: 0.814 kg

VAICO Brand Line and Product Quality

The VAICO brand line specializes in high-quality automotive components, focusing on durability and exact fitment. This accessory drive belt tensioner assembly is part of VAICO's commitment to providing reliable replacement parts that meet OEM specifications, ensuring compatibility and performance for BMW vehicles.

Detailed Product Description

The VAICO V20-1840 accessory drive belt tensioner assembly is designed to maintain the correct tension on the accessory drive belt system, preventing slippage and reducing wear on belt-driven components. With dimensions of 83 mm in height, 142 mm in length, and 70 mm outer diameter, this tensioner assembly fits precisely within the accessory drive belt system of select BMW models. Its robust construction and weight of 0.814 kg contribute to its durability and stable operation under various driving conditions.

Compatible BMW Models

This tensioner assembly is compatible with a range of BMW vehicles, including the 128i, 323i, 325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, X3, X5, and Z4 models. The part number V20-1840 ensures exact replacement for these specific vehicles, supporting proper accessory drive belt function.

Common Issues Addressed by This Part

  • Accessory drive belt slippage or noise
  • Improper belt tension causing premature wear
  • Failure of belt-driven components due to tension loss
  • Vibration or misalignment in the accessory drive system
  • Wear or damage to the original tensioner assembly

Installation Notes and Tips

When installing the VAICO V20-1840 tensioner assembly, ensure the accessory drive belt is properly routed according to the vehicle’s service manual. Use appropriate tools to relieve tension safely and avoid damage to the belt or pulleys. Verify correct alignment and tension after installation to maintain optimal performance.

Quality Assurance and Warranty

VAICO parts are manufactured to meet stringent quality standards, ensuring reliable fit and function. The V20-1840 tensioner assembly undergoes rigorous testing to comply with OEM specifications. Warranty coverage details should be confirmed with the parts supplier or manufacturer documentation.

BrandVaico
Part NumberV20-1840
PositionVAICO
Height [mm]83
Length [mm]142
Outer diameter [mm]70
Packaging height [cm]9
Packaging width [cm]8,3
Weight [kg]0.814
Width [mm]106

This part fits 64 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2013BMW128iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2013BMW328iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2013BMW328i xDriveBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2012BMW128iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2012BMW328iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2012BMW328i xDriveBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2011BMW128iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2011BMW323i2.5LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2011BMW328iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2011BMW328i xDriveBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2011BMWZ4sDrive30iN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2010BMW128iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2010BMW323i2.5LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2010BMW328iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2010BMW328i xDriveBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2010BMW528iBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2010BMW528i xDriveBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2010BMWX33.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2010BMWX5xDrive30iN/AAftermarket Grade Ribbed V-Belt for vehicles excluding Auxiliary A/C; VAICO
2010BMWZ4sDrive30iN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2009BMW128iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2009BMW323i2.5LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2009BMW328iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2009BMW328i xDriveBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2009BMW528iBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2009BMW528i xDriveBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2009BMWX3xDrive30i3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2009BMWX5xDrive30iN/AAftermarket Grade Ribbed V-Belt for vehicles excluding Auxiliary A/C; VAICO
2009BMWZ4sDrive30iN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2008BMW128iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2008BMW323i2.5LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2008BMW328iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2008BMW328xiBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2008BMW528iBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2008BMW528xiBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2008BMWX33.0si3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2008BMWX53.0si3.0LL6N/AAftermarket Grade Ribbed V-Belt for vehicles excluding Auxiliary A/C; VAICO
2008BMWZ4Roadster 3.0siN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2008BMWZ4Roadster 3.0iN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2008BMWZ4Coupe 3.0siN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2007BMW323i2.5LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2007BMW328iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2007BMW328xiBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2007BMW525iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2007BMW525xiBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2007BMW530iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2007BMW530xiBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2007BMWX33.0si3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2007BMWX53.0si3.0LL6N/AAftermarket Grade Ribbed V-Belt for vehicles excluding Auxiliary A/C; VAICO
2007BMWZ4Roadster 3.0siN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2007BMWZ4Roadster 3.0iN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2007BMWZ4Coupe 3.0siN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMW323i2.5LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMW325iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMW325xiBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMW330iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMW330xiBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMW525iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMW525xiBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMW530iBase3.0LL6N/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMW530xiBaseN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMWZ4Roadster 3.0siN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMWZ4Roadster 3.0iN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; VAICO
2006BMWZ4Coupe 3.0siN/AAftermarket ribbed V-Belt for Accessory Drive Belt Idler Pulley; 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:

0N178811 28 7 530 31411 28 8 624 1962008326381287083911249463534025210550667 530 3148 624 1968913389399VKM38250

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