YZ4D37TC YZ4102ZLQ Engine Piston 2030370 for Weichai Machinery Diesel Engine Parts

Product Details

Product Overview

This high-quality engine piston, identified by part number 2030370, is specifically designed for the YZ4D37TC and YZ4102ZLQ diesel engine models. As a critical component for internal combustion engines, this piston ensures reliable power transfer and efficient fuel combustion. It is a direct replacement part commonly used in Weichai machinery and related industrial equipment.

Manufactured to original equipment specifications, this piston guarantees a precise fit and optimal performance. It is an ideal solution for maintaining or rebuilding diesel engines found in construction, agricultural, and power generation applications. The part is sourced from, a recognized brand in the engine parts industry, and is available with full OEM service support.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM size specifications (2030370) for exact fitment in YZ4D37TC and YZ4102ZLQ engine blocks, reducing installation time and ensuring reliable sealing.
• Durable Construction: Built from high-strength materials to withstand extreme combustion pressures and temperatures, delivering extended service life compared to generic replacements.
• Direct Replacement: Designed as a drop-in replacement component, eliminating the need for modifications and minimizing downtime during engine overhauls.
• Versatile Application: Suitable for a wide range of diesel-powered equipment including construction machinery, industrial generators, agricultural tractors, and marine engines.
• Quality Assurance: Each piston undergoes rigorous testing and inspection, with outgoing video inspection and machinery test reports provided to verify performance standards.
• Comprehensive Support: Backed by a 6-month warranty and OEM service availability, ensuring peace of mind for B2B buyers and fleet operators.

Technical Specifications

OEM Cross-Reference

This piston (part number 2030370) is a direct OEM replacement for the following engine models and applications:

• Primary Application: Weichai Machinery YZ4D37TC diesel engine
• Secondary Application: YZ4102ZLQ diesel engine
• OEM Reference: 2030370 (Weichai original part number)

Note: Cross-reference numbers are based on manufacturer specifications. Always verify compatibility with your specific engine serial number before ordering.

Compatibility

This engine piston is commonly used for the following applications:

• Engine Models: YZ4D37TC, YZ4102ZLQ
• Equipment Types: Construction machinery, industrial equipment, agricultural tractors, generator sets (genset), marine engines, and material handling equipment

Important: This part is designed for diesel engines only. Fitment is inferred based on engine model specifications. Always confirm with your engine’s documentation or consult a technician for exact compatibility.

Global Supply & Distribution

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

• North America: United States, Canada, Mexico
• Europe: Germany, United Kingdom, France, Netherlands, Poland
• Asia-Pacific: China, Japan, South Korea, Australia, India, Southeast Asia
• Middle East & Africa: UAE, Saudi Arabia, South Africa, Egypt
• Latin America: Brazil, Argentina, Chile, Colombia

We provide fast delivery to major ports and industrial centers, with export experience covering customs documentation and international trade compliance. Bulk orders and consolidated shipping are available for cost-effective logistics.

Quality Assurance

Our manufacturing process adheres to strict quality control standards to ensure each piston meets or exceeds OEM specifications.

• Manufacturing Standards: Produced in ISO-certified facilities with precision machining and quality control protocols.
• Warranty: 6-month warranty against manufacturing defects, covering material and workmanship issues.
• Testing Procedures: Each batch undergoes video outgoing inspection and machinery test reports are provided to verify dimensional accuracy, material hardness, and surface finish.
• Certification: Products are traceable with batch numbers and quality documentation available upon request.

FAQ

Q1: How do I verify that part number 2030370 fits my engine?

A: Check your engine’s model number (YZ4D37TC or YZ4102ZLQ) stamped on the engine block or in the service manual. Cross-reference with your existing piston part number. If you have the old piston, measure its diameter, height, and pin bore to compare with OEM specifications. For Weichai engines, this part is a direct replacement for standard rebuilds.

Q2: What installation precautions should I take when replacing this piston?

A: Ensure the cylinder bore is within service limits and properly honed before installation. Lubricate the piston rings and skirt with clean engine oil during assembly. Use a piston ring compressor to avoid damaging rings. Torque connecting rod bolts to manufacturer specifications using a calibrated torque wrench. Always replace piston rings and cylinder liners as a set for optimal performance.

Q3: How should I store this piston if not used immediately?

A: Store the piston in a clean, dry environment away from moisture and extreme temperatures. Keep it in its original packaging (plastic bag and box) to prevent scratches or contamination. Avoid stacking heavy items on top. For long-term storage, apply a light coat of anti-rust oil to the piston surface and wrap in oil-proof paper. Check for rust or damage before installation.