HomeBelts and Cooling > Accessory Drive Belt System ComponentsVaico V20-1397 Accessory Drive Belt Idler Pulley
Part #: V20-1397

Vaico V20-1397 Accessory Drive Belt Idler Pulley

VAICO
⚙️ 20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦VAICO
🚗Fitment: BMW, 540i, X5, 740i, and 740iL
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Overview of the VAICO Accessory Drive Belt Idler Pulley V20-1397

The VAICO accessory drive belt idler pulley V20-1397 is designed for precise fitment on select BMW models including the 540i, 740i, 740iL, and X5. Engineered with durable Polyamid 6.6 material, this component ensures reliable performance within the accessory drive belt system.

  • Outer diameter: 80 mm
  • Inner diameter: 17 mm
  • Height: 28 mm
  • Width and length: 80 mm
  • Material: Polyamid 6.6 for strength and durability
  • Weight: 0.180 kg

Detailed Product Description

The VAICO V20-1397 accessory drive belt idler pulley is a critical component in the belt tensioning system of BMW vehicles such as the 540i, 740i, 740iL, and X5. Constructed from Polyamid 6.6, this pulley offers resistance to wear and heat, contributing to the longevity of the accessory drive belt system. With an outer diameter of 80 mm and an inner diameter of 17 mm, it is engineered to maintain proper belt alignment and tension, reducing the risk of belt slippage or premature wear.

The pulley’s dimensions—28 mm in height and 80 mm in width and length—are optimized for compatibility with the specified BMW models, ensuring a precise fit and smooth operation. The part number V20-1397 identifies this specific pulley within the VAICO product range, facilitating accurate replacement and maintenance.

About the VAICO Product Line

VAICO is known for its comprehensive range of automotive components, including belts and cooling system parts. The VAICO product line focuses on delivering components that meet OEM specifications, providing reliable replacements for accessory drive belt system components. The V20-1397 idler pulley is part of this line, designed to meet the exacting standards required for BMW vehicles, ensuring consistent performance and durability.

Common Applications and Issues Addressed

  • Maintains proper tension and alignment of the accessory drive belt
  • Prevents belt slippage and noise in BMW 540i, 740i, 740iL, and X5 models
  • Reduces wear on belts and other drive components
  • Supports smooth operation of engine accessories such as alternator and power steering
  • Replaces worn or damaged idler pulleys to restore system reliability

Installation Notes and Tips

  • Ensure compatibility by verifying the part number V20-1397 against your vehicle model
  • Inspect the accessory drive belt for wear and replace if necessary during installation
  • Use proper tools to avoid damage to the pulley or mounting hardware
  • Follow manufacturer torque specifications for pulley installation
  • Check belt alignment after installation to prevent premature wear

Quality Assurance and Warranty

The VAICO accessory drive belt idler pulley V20-1397 is manufactured to meet stringent quality standards, using durable Polyamid 6.6 material to ensure long service life. While specific warranty details may vary, VAICO products typically come with a limited warranty covering manufacturing defects. Always consult the product documentation or supplier for exact warranty terms.

BrandVaico
Part NumberV20-1397
PositionVAICO
Height [mm]28
Inner diameter [mm]17
Length [mm]80
MaterialPolyamid 6.6
Outer diameter [mm]80
Packaging Depth [cm]5
Packaging height [cm]9
Packaging width [cm]9,3
Weight [kg]0.180
Width [mm]80

This part fits 20 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2003BMW540iBase4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2003BMWX54.6isN/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2003BMWX54.4iN/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2002BMW540iBase4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2002BMWX54.6isN/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2002BMWX54.4iN/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2001BMW540iBase4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2001BMW740iBase4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2001BMW740iLBase4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2001BMWX54.4iN/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2000BMW540iBase4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2000BMW740iBase4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2000BMW740iLBase4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
2000BMWX54.4iN/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
1999BMW540i4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
1999BMW740iBase4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
1999BMW740iLBaseN/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
1998BMW540iBase4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
1998BMW740iBase4.4LV8N/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - Accessory Drive Belt Idler Pulley; VAICO
1998BMW740iLBaseN/AGrade: Aftermarket; Material Type: Plastic; Description: Ribbed V-Belt - 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:

0N172611 28 7 500 5601502942091924727174013140090003532029310550466512997 500 560864111200689148APV2166QTA1308

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