SD22 5R Piston 12011-J5312 Suitable for Nissan Engine Parts

Product Details

Product Overview

This high-quality SD22 5R Piston, identified by OEM reference number 12011-J5312, is a critical engine component designed for Nissan diesel engines. Manufactured by, this piston is engineered to meet OEM size specifications, ensuring a precise fit and reliable performance in demanding applications. As a direct replacement part, it is commonly used in construction, industrial, agricultural, genset, marine, and material handling equipment powered by the Nissan SD22 engine.

The SD22 engine is renowned for its durability and efficiency, and this piston plays a vital role in maintaining compression and power output. Whether you are rebuilding an engine or performing routine maintenance, this component offers a cost-effective solution without compromising on quality. It is sourced from Guangdong, China, and is available as a made-in-China aftermarket part or as a genuine OEM component, depending on your sourcing requirements.

Key Features & Benefits

• OEM Reference Match: Directly replaces Nissan part number 12011-J5312, ensuring compatibility with SD22 engine models and reducing fitment concerns.
• Precision Engineering: Manufactured to OEM size standards, guaranteeing proper clearance and optimal compression for enhanced engine performance.
• Versatile Applications: Suitable for a wide range of heavy-duty equipment, including construction machinery, industrial generators, agricultural tractors, marine engines, and forklifts.
• Durable Construction: Built from high-strength materials to withstand extreme temperatures and pressures, extending engine service life and reducing downtime.
• Rigorous Quality Control: Each piston undergoes outgoing video inspection and machinery test reporting, providing verifiable proof of quality before shipment.
• Cost-Effective Solution: Offers a reliable aftermarket alternative to expensive genuine parts, helping you manage maintenance budgets without sacrificing performance.

Technical Specifications

OEM Cross-Reference

This piston is designed as a direct replacement for the following OEM part numbers:

• Nissan: 12011-J5312
• : SD22 5R Piston (aftermarket equivalent)

Please verify your engine model and existing part number before purchase. For alternative cross-references, contact our technical support team with your engine serial number.

Compatibility

This piston is commonly used for the following applications:

• Engine Models: Nissan SD22 diesel engine
• Equipment Types: Construction machinery (excavators, loaders), industrial engines, agricultural tractors, gensets, marine propulsion systems, and material handling equipment (forklifts).

Note: Fitment is inferred based on the SD22 engine model. Always confirm compatibility with your specific engine serial number and equipment manufacturer specifications before installation.

Global Supply & Distribution

offers worldwide shipping for this SD22 piston, ensuring fast and reliable delivery to major markets. We serve customers across North America, Europe, Asia-Pacific, the Middle East, Africa, and South America. Our logistics network supports efficient transportation to major ports and industrial centers, including Los Angeles, Rotterdam, Shanghai, Dubai, and Singapore.

With extensive export experience, we comply with international trade regulations and provide proper documentation for customs clearance. Whether you need a single piston for a local repair or bulk quantities for fleet maintenance, we can accommodate your order with competitive shipping rates and tracking options.

Quality Assurance

This SD22 piston is manufactured under strict quality control standards to ensure reliability and durability. Key quality measures include:

• Manufacturing Standards: Produced in facilities adhering to ISO quality management principles, with precision machining and material verification.
• Testing Procedures: Each piston undergoes outgoing video inspection and machinery test reporting to verify dimensions, surface finish, and structural integrity.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your purchase.

We recommend inspecting the piston upon receipt and ensuring proper installation by a qualified technician to maintain warranty coverage.

FAQ

Q: How can I confirm this piston fits my Nissan SD22 engine?
A: Verify your engine model is SD22 and check your existing piston part number. This piston is designed as a direct replacement for OEM number 12011-J5312. If your piston has a different number, measure its diameter, pin height, and ring groove dimensions to compare with our specifications. Contact us with your engine serial number for additional fitment assistance.

Q: What installation precautions should I take?
A: Ensure the cylinder bore is clean and within specification. Lubricate the piston and rings with engine oil before installation. Use a proper ring compressor to avoid damaging the rings or piston. Follow the engine manufacturer’s torque specifications for connecting rod bolts. After installation, perform a compression test to verify proper sealing.

Q: How should I maintain this piston for long service life?
A: Use high-quality diesel engine oil and change it at recommended intervals. Monitor engine temperature and avoid overheating. Regularly inspect the air intake system to prevent dust ingestion. If you notice excessive oil consumption or loss of power, check the piston rings and cylinder bore for wear. Proper maintenance can extend piston life to 10,000+ hours in normal operating conditions.