INA 31316803 Overrunning Alternator Pulley

The INA 31316803 is a high-quality overrunning alternator pulley (OAP) designed to improve alternator performance and extend belt life in modern engine systems. This precision-engineered component features a one-way clutch mechanism that allows the alternator to continue spinning freely during engine deceleration, reducing vibration and stress on the serpentine belt system.

Key Features:

• Overrunning clutch design isolates alternator inertia during rapid engine speed changes
• Reduces belt wear and noise compared to solid pulleys
• Precision-manufactured by INA, a leading supplier of OEM automotive components
• Direct replacement for OEM part number 5350195100
• Engineered for reliable performance and long service life

This overrunning alternator pulley is essential for maintaining proper charging system operation while minimizing belt slip, chirping, and premature wear. The advanced decoupler design absorbs torsional vibrations from the crankshaft, protecting both the alternator bearings and drive belt from excessive stress.