Solenoid fuel shut off. Fits JLG 3507, 3508, 3509, 3512, 3513, 4007, 4008, 4009, 4012, 4013 . Fits JLG telehandlers 4017, G5-18A, G6-42A, 2505, G9-43A, G10-43A with Perkins engines. Fits JLG telehandlers 3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS with 4-2 engines. Fits JLG telehandlers 3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, and 4017PS with 4-3 enginers.