YD25 Engine Valve for Nissan Engine Parts – Diesel Valve OEM Size

Product Details

Product Overview

This YD25 engine valve is manufactured to OEM specifications, designed as a direct replacement for Nissan diesel engines utilizing the YD25 model. As a critical component in the valve train assembly, this valve ensures proper sealing and efficient combustion in heavy-duty applications. The part is constructed to meet original equipment quality standards, providing reliable performance in demanding environments.

Sourced from, a reputable brand in the engine components industry, this valve is suitable for a wide range of equipment including construction machinery, industrial vehicles, agricultural tractors, generator sets, marine engines, and material handling equipment. Each unit weighs approximately 1 kg and comes with a 6-month warranty for buyer confidence.

Key Features & Benefits

• OEM Size Precision: Machined to exact OEM dimensions for seamless installation and proper valve clearance, reducing the risk of premature wear or engine damage.
• Diesel Engine Compatibility: Specifically engineered for diesel combustion cycles, with enhanced heat resistance and durability compared to gasoline engine valves.
• Versatile Application: Compatible with construction, industrial, agricultural, marine, and power generation equipment using YD25 diesel engines.
• Quality Assurance: Backed by a 6-month warranty and supported by outgoing video inspection and machinery test reports upon request.
• Lightweight Design: At just 1 kg per unit, this valve reduces reciprocating mass while maintaining structural integrity for high-RPM operation.

Technical Specifications

OEM Cross-Reference

This YD25 engine valve is designed as a direct replacement for OEM Nissan valve components used in YD25 diesel engines. While specific OEM part numbers may vary by vehicle model and year, this valve matches the original equipment specifications for Nissan YD25 applications. For precise cross-referencing, please consult your vehicle’s service manual or contact our technical support team with your engine serial number.

Note: This valve is commonly used as a replacement for standard Nissan YD25 engine valves in both naturally aspirated and turbocharged configurations.

Compatibility

This valve is commonly used for the following applications:

• Engine Models: Nissan YD25 diesel engine
• Vehicle Types: Nissan Navara (D40), Nissan Pathfinder (R51), Nissan X-Trail (T31), Nissan Cabstar, and other vehicles equipped with YD25 engines
• Equipment Types: Construction machinery, industrial equipment, agricultural tractors, generator sets, marine engines, and material handling equipment using YD25 power units

Fitment is inferred based on engine model compatibility. Always verify with your specific engine code before purchase.

Global Supply & Distribution

We offer worldwide shipping capabilities to meet the demands of international B2B buyers. Our distribution network serves major markets including:

• North America: Fast delivery to ports in Los Angeles, Houston, New York, and Vancouver
• Europe: Regular shipments to Rotterdam, Hamburg, Antwerp, and Felixstowe
• Asia-Pacific: Direct service to Singapore, Shanghai, Tokyo, and Sydney
• Middle East: Reliable delivery to Dubai, Jeddah, and Doha
• Africa & South America: Established logistics routes to key industrial centers

With export experience in international trade compliance, we ensure proper documentation, customs clearance, and packaging for safe transit. Bulk orders are welcomed with competitive freight rates.

Quality Assurance

Each YD25 engine valve undergoes rigorous quality control procedures to ensure consistent performance. Our manufacturing process adheres to industry standards for diesel engine components, with emphasis on:

• Material Certification: Valves are made from high-grade alloy steel suitable for diesel combustion temperatures
• Dimensional Accuracy: Every unit is checked against OEM specifications for stem diameter, head diameter, and overall length
• Surface Finish: Stem and seat surfaces are finished to precise tolerances for optimal sealing
• Testing: Machinery test reports and video outgoing inspection are available upon request

We stand behind our product with a 6-month warranty against manufacturing defects, giving you peace of mind for your engine rebuild or maintenance project.

FAQ

Q: Will this valve fit my Nissan Navara D40 with YD25 engine?
A: This valve is designed for Nissan YD25 diesel engines, which are commonly found in Navara D40 models. However, we recommend checking your engine code (located on the engine block) and comparing with your existing valve dimensions before ordering. For turbocharged YD25 engines, please confirm valve specifications as some variants may differ.

Q: Is installation straightforward, or do I need special tools?
A: Valve replacement requires mechanical expertise and proper tools including a valve spring compressor, micrometer for stem measurement, and a valve seat cutter if seats need reconditioning. We recommend professional installation by a qualified diesel mechanic to ensure correct valve clearance and timing. Always refer to the service manual for your specific engine model.

Q: How do I maintain these valves for long service life?
A: Regular oil changes with the correct viscosity diesel engine oil are essential for valve longevity. Ensure proper valve clearance adjustment per manufacturer specifications (typically every 40,000-60,000 km for YD25 engines). Use high-quality fuel to reduce carbon buildup on valve seats, and inspect valve stem seals during replacement to prevent oil consumption issues.