20542128 20451178 20555313 Engine Cooling Pipe for Heavy Duty Truck Engine Product Overview 20542128 20451178 20555313 Engine Cooling Pipe Core Product Features OEM Original Matching Standard: Strictly follow OEM manufacturing specifications and precision tolerance requirements, realize seamless fit with the original turbocharger assembly, no secondary cutting or modification for installation, greatly saving customers' maintenance time and labor costs. High-Grade Durable