OK request send SAA6D125E-5A S/N 560004-UP ( Standard Machine ) ENGINE VALVE MECHANISM Section ENGINE VALVE MECHANISM SAA6D125E-5A S/N 560004-UP ( Standard Machine ) Komatsu: ROCKER ARM HOUSING COVER 21 CAMSHAFT AND CAM FOLLOWER (1/2) 22 CAMSHAFT AND CAM FOLLOWER (2/2) 23 CAM FOLLOWER COVER 24