JLG 91474251 charging pump assembly regulator valve sleeve. Fits JLG  4017, G6-42A, TF6-42, G10-43A, G9-43A, 3614RS, 4017RS, 3507, 3508, 3509, 3512, 3513, 4007, 4008, 4009, 4012, 4013, 3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS