Four Seasons 45048 Accessory Drive Belt Idler Assembly - Air Conditioning or Lower

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10+ in stock

Fitment Info

  • Four Seasons 45048 Accessory Drive Belt Idler Assembly
  • Fits: BMW 530i, BMW 540i, BMW 740i, BMW 740iL, BMW 840Ci (check fitment chart for compatibility)
  • Confirm fitment with our fitment and interchange chart below

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Fitment Table

✅ Compatible with 42 vehicles
Year Make Model Position Notes
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Product Attributes

  • Back Idler
  • 1.125
  • 28.575
  • Black
  • Idlers / Tensioners
  • Smooth
  • .315
  • 4.1
  • Plastic
  • .32
  • 2
  • 69.850
  • 2.750
  • 1.18
  • 30
  • Idler Assembly
  • Tensioners and Pulleys

Interchange Part Numbers

Know the factory part number you are replacing? If it's listed below, this part will be a perfect match. If you can't find yours listed, try searching our website for your part number.