Detroit Diesel 3-53 Engine Series Air Horn Assembly Inlet 5116383. Flapper works no cracks. The item “Detroit Diesel 3-53 Engine Series Air Horn Assembly Inlet 5116383″ is in sale since Wednesday, April 28, 2021. This item is in the category “Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Complete Engines & Engine Parts”. […]