STENS 280-675.  Heavy-Duty Flat Idler / Husqvarna 532 12 36-74, 532123674, 123674.

Replaces OEM: AYP 123674X, Husqvarna 532123674, AYP 123688, Husqvarna 532123688, MTD 956-0417, AYP 532123674