Our Jeremywell Professional, premium aftermarket Alternator Decoupler Pulley provides vibration isolation within the Accessory Belt Drive System resulting in smoother engine performance, efficiency, and increased belt and component life. This premium aftermarket replacement alternator decoupler pulley is manufactured to meet your expectations for fit, form, and function.
Item specifics:
Groove Quantity: 6 Material: Steel Contact Surface: V-Ribbed Grooved Manufacturer Part Number: 37018P Alternate/OEM Part Number(s): 4891737AB Width: 49 MM Bore Diameter: 12.5 MM Outside Diameter: 53 MM OE Comparison Rating: OE Exact
Benefits:
- It allows the use of alternators with increased power output. - Reduces the influence of the alternator mass on the belt drive. - Decreases wear and tear on all belt drive components. - Eliminates belt slip and therefore noise. - Absorbs vibrations and fluctuations. - Increases the life span of all accessory belt drive components.
Construction Features:
- Pulley with appropriate multi-ribbed belt profile. - Internal overrunning clutch unit with double bearing support, allowing the alternator rotor to overrun when the engine decelerates or is shut down. - Protective cover. - In addition to the above features, some pulley models incorporate a patented internal application-specific torsion spring which isolates torsional vibration. These pulleys with a higher level of functionality are called overrunning alternator decouplers (OAD).
