Caterpillar C12, Rocker Arms, (GOOD USED/TESTED) Caterpillar C12 Rocker Arm 115-9406 For Sale, Part # 115-9406/00, Other Part # 115-G, 9399/02 33, 15 T 9 W G, 15T9WG, 115-9401, G29G, Stock # 5338 | Tested & Inspected!