Maintain reliable coolant circulation with this Genuine Nissan Bypass Water Hose, designed to suit Nissan Patrol GU Y61 models fitted with the TB48 4.8L petrol engine. This OEM bypass hose connects the metal coolant pipe on the driver's side of the engine to the thermostat housing, allowing coolant to bypass the radiator during engine warm-up and helping the engine reach its optimal operating temperature efficiently.

Over time, the original rubber hose can harden, crack, swell, or deteriorate due to constant exposure to coolant, engine heat, pressure cycles, and age. A damaged bypass hose can cause coolant leaks, reduced cooling system efficiency, and potentially lead to engine overheating if left unrepaired. Replacing it with a Genuine Nissan component restores the factory cooling system and helps ensure reliable engine performance.

Features & Benefits

• Genuine Nissan OEM part
• Suits Nissan Patrol GU Y61 models fitted with the TB48 4.8L petrol engine
• Bypass water hose located between the metal coolant pipe and thermostat housing
• Maintains correct coolant circulation during engine warm-up
• Helps regulate engine operating temperature
• Helps prevent coolant leaks and overheating
• Manufactured to Nissan factory specifications for precise fitment
• Premium rubber construction designed to withstand heat, pressure, and coolant exposure
• Direct replacement for cracked, hardened, swollen, or leaking original hoses

Vehicle Fitment

• Nissan Patrol GU Y61 TB48 

Please check your vehicle compatibility before purchasing. Contact us with your VIN if you require assistance confirming fitment.

Common Signs You May Need Bypass Water Hose Replacement

• Coolant leaking near the thermostat housing
• Cracked, split, or hardened rubber hose
• Swollen or deteriorated hose
• Coolant smell from the engine bay
• Low coolant level
• Engine running hotter than normal
• Cooling system service or engine rebuild
• Preventative replacement due to age or high kilometres

Replacing a worn bypass water hose helps maintain proper coolant flow, reduce the risk of overheating, and protect critical engine components. Choosing a Genuine Nissan OEM replacement ensures precise fitment, dependable cooling system performance, and long-lasting reliability for your Nissan Patrol GU Y61 TB48.