This is a genuine Nissan intercooler hose that connects the intercooler outlet to the throttle body assembly on Nissan Navara D40 and Pathfinder R51 models equipped with the V9X 3.0L V6 diesel engine. Specifically, this is the middle of the three hoses located on the cold side of the intercooler system, often referred to as the second hose. It is a critical component for maintaining correct boost pressure and engine performance.
Over time, constant exposure to engine bay heat and pressure cycles can cause the original rubber to become hard, brittle, and eventually crack. A failure in this hose results in a boost leak, which can lead to symptoms like a significant loss of power, poor fuel economy, and a distinct whistling noise from the engine bay, particularly under acceleration. Replacing a failing hose with a genuine Nissan part ensures the system is properly sealed and performance is restored.
This is a straightforward replacement for a confident DIY mechanic or a quick job for a workshop. Accessing the hose clamps can often be the most difficult part of the task. It is wise to inspect the other two intercooler hoses on the cold side for similar wear and tear at the same time. You should also check the condition of the hose clamps and replace them if they are corroded or damaged.
At Patrolapart we sell all intercooler pipes for V9X Navara’s (List is in order from closest to turbo to throttle body)
First Intercooler Hose (Closest to Turbo) - 144635X20C
Second Intercooler Hose (Between Turbo And Cooler) -144605X25A
Third Intercooler Hose (Closest To Cooler Hot Side) - 144635X22B
Forth Intercooler Hose (Closest To Cooler Cold Side) - 144635X21A
Fifth Intercooler Hose (Between Throttle And Cooler) - 144635X21B
Sixth Intercooler Hose (Closest To Throttle Body) - 144635X22C
Please check vehicle fitment to confirm compatibility with your vehicle. Please contact us with your VIN details if you require further assistance to confirm fitment.
Choosing genuine Nissan parts ensures the quality and fit for your Nissan. Unlike some aftermarket alternatives, genuine Nissan parts are manufactured to exacting standards, using materials specifically designed to withstand the rigors of Australian conditions. Guaranteeing performance, service life, and reliability.