Maintain correct engine oil pressure and protect critical internal components with this Genuine Nissan Oil Pressure Relief Valve Assembly, designed specifically for Nissan Patrol GQ Y60 and GU Y61 models fitted with the TD42 diesel engine. This OEM valve is responsible for regulating maximum oil pressure within the engine lubrication system, ensuring consistent flow and preventing pressure spikes that can damage seals and internal engine components.

Over time, oil pressure relief valves can stick, wear, or become contaminated due to sludge buildup, heat cycles, and extended oil change intervals. A faulty valve may result in excessive oil pressure, oil leaks from seals, oil filter strain, or in some cases, unstable lubrication performance, increasing the risk of long-term engine damage if not addressed.

Manufactured to genuine Nissan specifications, this direct-fit replacement restores proper oil pressure regulation, smooth engine lubrication, and long-term reliability under towing, touring, off-road, and heavy-duty operating conditions.

Features

• Genuine Nissan OEM part
• Suits Nissan Patrol GQ Y60 & GU Y61 models
• Compatible with TD42 diesel engine variants
• Complete oil pressure relief valve assembly
• Precision-calibrated to factory oil pressure specifications
• High-quality internal spring and valve construction
• Heat and oil-resistant OEM materials
• Direct fit replacement, no modification required
• Ideal during engine rebuilds or oil system servicing

Benefits

• Prevents excessive engine oil pressure
• Protects seals, gaskets, and oil system components
• Ensures consistent engine lubrication under load
• Reduces risk of oil leaks and filter stress
• Helps maintain stable engine performance and reliability
• Extends engine life in high-load and off-road conditions
• Restores factory oil pressure regulation performance

Vehicle Fitment

Suitable for:

• Nissan Patrol GQ Y60 TD42
• Nissan Patrol GU Y61 TD42

Please confirm compatibility prior to purchase or contact with your VIN to ensure correct fitment.

Common Signs of Wear

• High or inconsistent oil pressure readings
• Oil leaks from seals or filter housing
• Engine oil pressure warning light behaviour changes
• Noisy top end due to lubrication irregularities
• Sludge buildup or sticking valve mechanism
• Reduced engine reliability under load or heat

Replacing a worn oil pressure relief valve is essential for maintaining correct lubrication system control, preventing pressure-related damage, and ensuring long-term reliability of your TD42-powered Patrol.