Nissan YD25DDTi Engine Piston Ring Set 12033-EC00A 1.0mm 1.2mm 2.0mm

Product Details

Product Overview

This high-quality piston ring set, part number 12033-EC00A, is an OEM-grade replacement specifically designed for the Nissan YD25DDTi diesel engine. Manufactured to exacting standards, this ring set ensures optimal compression, oil control, and longevity for your engine. We are a global supplier, shipping to major markets including North America, Europe, Asia-Pacific, and the Middle East, providing reliable parts for automotive repair shops, engine rebuilders, and industrial distributors worldwide.

Key Features & Benefits

• Premium Material: Constructed from high-strength ductile iron with a wear-resistant chrome and phosphate coating for extended service life.
• Precise Fitment: Directly replaces OEM part 12033-EC00A, ensuring a perfect seal and proper ring end gap for your YD25DDTi engine.
• Enhanced Performance: Optimized ring profile reduces blow-by, improves fuel efficiency, and minimizes oil consumption.
• Durable Construction: Designed to withstand high cylinder pressures and temperatures common in turbocharged diesel applications.

Technical Specifications

OEM Cross-Reference

This piston ring set is a direct replacement for the following OEM numbers:

• Nissan: 12033-EC00A
• Alternative: 12033-EC00B (Superseded number, functionally identical)

Compatibility

This ring set is specifically engineered for the following engine and vehicle applications:

• Engine: Nissan YD25DDTi (2.5L Turbo Diesel Direct Injection)
• Vehicle Applications:
  • Nissan Navara (D40, D22) – 2005-2015
  • Nissan Pathfinder (R51) – 2005-2012
  • Nissan Cabstar (NT400) – 2006-2013
• Note: Always verify your engine code (YD25DDTi) and piston bore size before purchase.

Global Supply & Distribution

We offer worldwide shipping and maintain extensive inventory to ensure fast delivery to major ports and industrial centers globally. Our distribution network covers:

• North America: Los Angeles, Houston, Toronto
• Europe: Rotterdam, Hamburg, London
• Asia-Pacific: Dubai, Singapore, Sydney, Shanghai
• Middle East & Africa: Jebel Ali, Johannesburg

We are experienced in international trade, providing efficient customs clearance and documentation for all shipments.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities.
• Warranty: 12-month warranty against manufacturing defects from the date of purchase.
• Testing: Each batch undergoes rigorous dimensional inspection and material composition analysis to ensure 100% compliance with OEM specifications.

FAQ

Q1: Will this ring set fit my Nissan Navara D40 with a YD25DDTi engine?
Yes, this set (12033-EC00A) is the standard OEM replacement for the YD25DDTi engine found in many Navara D40 models (2005-2015). However, please confirm your engine bore size is 89.0mm (standard) and that you have not previously overbored the cylinder.

Q2: What is the recommended installation procedure for these rings?
Install the rings with the marked “TOP” side facing upward. Ensure proper ring end gap (typically 0.20-0.35mm for the top ring) using a feeler gauge. Stagger the ring gaps 120 degrees apart to minimize blow-by. Always lubricate the rings and cylinder walls with clean engine oil before assembly.

Q3: Is it necessary to replace the piston rings if I am only replacing the head gasket on my YD25DDTi?
While not strictly mandatory, it is highly recommended to replace the piston rings when the engine is disassembled for a head gasket job. This ensures optimal compression and prevents future oil consumption issues, especially on high-mileage engines (over 150,000 km).