Daimler Freightliner Coolant Pipe. P/N 05-15223. Made by Tube Specialties, fits M915A2 Line Haul 6x4 Truck. 4710-01-329-8829. Approx. 1-5/8" ID. Steel. Original cost over $385. for this item. Steal it here for $75.00. Great for hotrod, custom or performance applications. 14237 L2C8