31141‑5A2‑A01 Alternator Decoupler Pulley，Alternator One‑Way Clutch Pulley

This alternator decoupler one‑way clutch pulley 31141‑5A2‑A01 is a vital accessory‑drive component mounted on alternator shaft. It absorbs rotational vibration fluctuation from drive belt, reduces belt‑system shock load and protects alternator internal structure for Honda Accord CR2 equipped with K24W5 2.4L engine from 2013‑2017. Constructed with high‑strength alloy steel outer pulley body and built‑in precision one‑way bearing assembly, it delivers outstanding wear‑resistance, impact‑resistance and long‑term stable one‑way rotation performance under high‑temperature engine‑bay environment. All belt‑groove profile, inner‑hole dimension and thread specification strictly comply with OEM standards. Every unit passes rotation fatigue test and torque endurance inspection before shipment for direct bolt‑on installation without extra modification. Common failure symptoms include squealing / rattling noise from accessory belt, abnormal belt jumping, premature belt aging and alternator abnormal damage. It is widely replaced during alternator and drive‑belt overhaul, serving as essential repair spare‑part for Honda 2.4L engine accessory‑drive system maintenance.