View All DriveAlign® Overrunning Alternator Pulleys


Product # 77891228

Gates® DriveAlign® Overrunning Alternator Decoupler Pulleys allow the alternator to "free-wheel" or "overrun" every time the engine decelerates and provide vibration isolation within the Accessory Belt Drive System resulting in smoother engine performance and efficiency and increased belt and component life. The line consists of overrunning alternator decoupler pulleys and one way clutches (not interchangeable).

  • Chosen by OEM to reduce noise, vibration and harshness.
  • Patented design unmatched by any other supplier.
  • Exact OE replacement.
  • Product Details
    Part # 37228P
    Product # 77891228
    Description 37228P DECOUPLER PULLEY
    UPC 770075736684
    Contents Pulley, Dust Cap
  • Product Attributes
    Contact Surface V-Ribbed Grooved
    Flanged Yes
  • Construction
    Material Steel
  • Specifications
    Bearing Bore Inside Diameter 1 (mm) 14
    Outside Diameter (mm) 58
  • Belt / Sprocket Specifications
    Number of Grooves 7
    Width (mm) 41
  • Packaging details
    Customer Pack 1
    Weight (lbs.) 1.2
  • Fits models

Features and Benefits

  • Torsion spring absorbs engine vibration for quieter, smoother ride.
  • Specialist removal and installation tools available.
  • Covers all popular applications
  • Supplied with protective cover.