Oregon 75-164 Belt 3/8" by 32-1/2" Lawn Mower Belts Oregon 75-164 Replacement Drive Belt Size: 3/8" x 32-1/2" Premium Drive Belt Self-propelled for front wheel drive on 22" walk-behind mowers with rear discharge on models '97 & '98 Replaces AYP 157769, 146527, 532137078, 532146527, 137078,