3 0 Caterpillar C7 Rocker Arm $250 USD Quality used rocker arm assembly for a Caterpillar C7/3126/3126B/3126E engines, backed by our standard warranty. OEM # rocker arms 256-3830, 256 3830, 2563830, 25683831, 256-3831, 256 3831... Quantity2ConditionUsedStock Number35H-3563830-STK MLS Number13401393CategoryRocker Arms Last Updated11/18/2025 LocationBig Lake, MN, US Sold ByQuality Bus and Truck Parts (844) 580-___ SHOWNUMBERCall Seller Email Seller Save More Info