Cooling Hose Radiator Hose Upper 22891468 for Volvo Mack 21429588 21558423

Cooling Hose Radiator Hose Upper for Volvo Mack

This Cooling Hose Radiator Hose Upper 22891468 is an engine cooling system component designed to carry coolant between the upper radiator outlet and the engine block. It serves as a direct replacement for part numbers 21429588 and 21558423, ensuring proper coolant flow and engine temperature regulation for Volvo and Mack heavy-duty trucks.

Overview

This upper radiator hose forms the critical link in the cooling circuit, directing hot coolant from the engine to the radiator for heat dissipation. Engineered for commercial diesel applications, this Cooling Hose Radiator Hose Upper 22891468 matches the original routing and dimensions of the factory hose. It is built to withstand high under-hood temperatures, vibration, and continuous pressure cycles found in long-haul trucking operations.

Built For Performance

• Constructed from reinforced EPDM rubber for heat and ozone resistance
• Designed to maintain flexibility in cold weather for easier installation
• Molded to match OEM routing and bend angles precisely
• Resistant to coolant additives and electrolysis
• Meets or exceeds OEM specifications for burst pressure

Fits These Machines

• for Volvo VNL series with D11, D13, and D16 engines
• for Mack Pinnacle, Granite, and TerraPro models with MP7, MP8, and MP10 engines

On-The-Job Use

• Replacing a cracked or leaking upper radiator hose during routine cooling system maintenance
• Repairing overheating issues caused by restricted coolant flow
• Restoring the cooling system after a radiator or water pump replacement

Specs At A Glance

Good To Know

Q: How do I know this hose fits my specific truck? A: Confirm your engine model and serial number against the OEM part numbers listed, as variations may exist between model years. The cross-referenced numbers 21429588 and 21558423 are provided for verification.

Q: What is the typical service life of this radiator hose? A: With proper coolant maintenance, this hose can last 5-7 years or more in normal highway service, but it should be inspected annually for cracks, soft spots, or bulges.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.