Womala Outlet Hose Radiator Lower Water Pipes OE 30792194 for Volvo XC90 03-

The Outlet Hose Radiator Lower Water Pipe (OE Number: 30792194) is a vital component in the cooling system of Volvo XC90 (03-) models, responsible for channeling cooled coolant from the radiator back to the engine.

Constructed from reinforced EPDM rubber with a woven polyester mesh layer, this hose combines flexibility with high-pressure resistance (up to 1.5 bar), ensuring durability even under the extreme temperature fluctuations of the engine bay (operating range: -40°C to 120°C). Unlike generic hoses, it features precision-molded ends with integrated O-ring grooves that match the XC90's radiator and engine connection points, creating a leak-tight seal to prevent coolant loss—a critical issue for maintaining engine temperature regulation. Engineered specifically for the XC90 (03-)'s 2007-2014 chassis, it accommodates the model's unique routing around engine components, avoiding kinks or restrictions in coolant flow.

• Coolant Circulation: Transports cooled coolant from the radiator's lower outlet to the engine's water pump, completing the cooling cycle and ensuring consistent heat dissipation from engine components (e.g., cylinder heads, turbochargers).
• Pressure Resistance: Withstands the cyclic pressure changes in the cooling system, preventing bulging or bursting that could lead to coolant leaks and engine overheating.
• Flexibility & Durability: The reinforced rubber construction resists cracking from repeated thermal expansion/contraction and abrasion from contact with adjacent parts (e.g., hoses, brackets), extending service life to 60,000+ km.
• System Compatibility: Integrates seamlessly with the XC90's radiator, water pump, and coolant expansion tank, maintaining the original system's pressure balance and flow rate (approximately 15-20 L/min at idle).

As a direct OE replacement, it installs using the vehicle's original clips and clamps, ensuring a hassle-free fit that restores full cooling system functionality. Regular inspection for cracks, bulges, or softening (signs of degradation) is recommended to prevent unexpected failures and costly engine damage.

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