KTA50 Cummins Idler Gear 3628822 Parts Catalog Ref No. Part Name Part No. Required Idler Gears BB6733 Idler Gear 3628822 1 1 Bushing 3004686 1 2 Idler Gear 3632363 1 3 Thrust Bearing 130083 6 Idler Gear 3004683 1 1 Bushing 3004686 1 4 Idler Gear 3004594 1 Idler Gear 3628823 1 1 Bushing 3004686 …