HOSE,AIR INTAKESpecifications Item Description This air intake hose is an engine system component for JLG 450AJ and 450A aerial work platforms equipped with the Deutz D2. 9L4 Engine (China Spec). It measures 24 inches in length and is part of the Engine Assembly, delivering filtered air to the engine intake manifold. As a wear item, this hose should be inspected regularly for cracks, deterioration, or loose connections and replaced when damage is detected. Skyworks