Restore engine performance and reliability with this Genuine Nissan STD Grade 1 Piston & Pin Assembly, designed to suit Nissan Patrol GU Y61 models fitted with the ZD30 diesel engine. This OEM piston and gudgeon pin assembly is a critical internal engine component responsible for converting combustion pressure into mechanical force, helping maintain correct compression, power output, and efficient engine operation.

Over time, pistons can suffer from wear, overheating, cracking, scoring, or damage caused by excessive cylinder pressure and engine faults. A damaged piston can lead to reduced compression, increased oil consumption, engine noise, smoke, and poor overall performance. Replacing a worn or failed piston with a Genuine Nissan replacement helps restore correct piston-to-cylinder clearance and reliable engine operation during an engine rebuild or repair.

Manufactured to Genuine Nissan specifications, this STD Grade 1 piston and pin assembly is engineered for precise fitment, correct material strength, and long-term durability. Supplied as a matched piston and gudgeon pin assembly, it is the ideal replacement component for ZD30 engine rebuilds, repairs, or restoring your Nissan Patrol to factory operating condition.

Features & Benefits

• Genuine Nissan OEM part for guaranteed quality and exact fitment
• Designed specifically for Nissan Patrol GU Y61 ZD30 diesel engines
• STD Grade 1 sizing for correct piston-to-bore clearance
• Supplied as a complete piston and gudgeon pin assembly
• Restores correct engine compression and combustion efficiency
• Helps reduce oil consumption caused by worn piston components
• Manufactured from high-quality alloy materials for strength and durability
• Designed to withstand high temperatures and cylinder pressures of turbo diesel operation
• Ideal replacement during engine rebuilds and internal engine repairs
• Ensures correct Nissan manufacturing tolerances are maintained
• Provides reliable long-term engine performance
• Manufactured to Nissan's original factory specifications

Vehicle Fitment

Suitable for:

• Nissan Patrol GU Y61 ZD30DI Diesel
• Nissan Navara D22 ZD30DI Diesel

Please check your vehicle compatibility and piston grading requirements before purchasing. Contact us with your VIN details if you require assistance confirming fitment.

Common Signs You May Need Piston Replacement

• Low engine compression
• Excessive oil consumption
• Blue smoke from exhaust
• Engine knocking or abnormal internal noise
• Loss of engine power or performance
• Damaged, cracked, or scored piston
• Engine overheating damage
• Engine rebuild or overhaul requirements
• Replacing worn internal engine components

Replacing a worn or damaged Genuine Nissan STD Grade 1 Piston & Pin Assembly helps restore compression, improves engine reliability, and maintains the factory performance, durability, and longevity of your Nissan Patrol GU Y61 ZD30 diesel engine.