SKU: TRA9446
UPC: 086923094463
MPN: 9446
The TRANS-DAPT single groove alternator pulley is a direct replacement component designed for engine builders, hot rodders, and mechanics seeking to optimize charging system efficiency in custom or restored vehicles. This pulley replaces factory multi-groove designs when switching to single-pulley alternator configurations, eliminating unnecessary belt paths and reducing drivetrain parasitic loss.
Engineered by TRANS-DAPT, a recognized manufacturer of engine accessories and pulley systems, the single groove alternator pulley accommodates a standard alternator serpentine belt, reducing complexity and weight while maintaining proper tension characteristics. Precision machining ensures concentricity and balance, preventing vibration that can lead to belt wear or alternator bearing stress.
This pulley benefits restoration projects, engine swaps, and custom builds where factory components are being replaced with more efficient alternatives. It adds minimal rotating mass at just 0.9 lbs, delivering dependable performance in demanding engine bay environments.
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