Yanmar 3d74e-3 3TNE74 Piston Ring Set 119623-22500 | Excavator Engine Parts

Product Details

Product Overview

This premium Yanmar piston ring set is a direct replacement for the OEM part number 119623-22500 / Ym119623-22500, designed specifically for the 3d74e-3, 3d74e-n, 3TNE74, 3TNE74C, and 3TNA74 engine models. As a critical engine rebuild component, this piston ring assembly ensures optimal compression, oil control, and combustion efficiency for Yanmar-powered excavators, compact tractors, and industrial machinery. Our supply chain supports global shipping to major industrial hubs across North America, Europe, Asia-Pacific, and the Middle East, ensuring rapid delivery to your workshop or job site.

Key Features & Benefits

• Premium Quality Construction: Manufactured from high-grade cast iron and alloy steel, these rings provide superior wear resistance and long service life.
• Precision Engineering: Each ring is ground to exact OEM tolerances, ensuring perfect fitment and immediate sealing performance.
• Enhanced Compression: Optimized ring profile delivers consistent cylinder pressure for improved engine power and fuel efficiency.
• Excellent Oil Control: Advanced oil ring design minimizes oil consumption while maintaining proper cylinder wall lubrication.
• Cost-Effective Rebuild Solution: Direct replacement for OEM 119623-22500, offering significant savings over dealer pricing without compromising quality.

Technical Specifications

OEM Cross-Reference

This piston ring set directly replaces the following OEM numbers:

• Yanmar: 119623-22500, Ym119623-22500
• Compatible Alternatives: 119623-22501, 119623-22502 (cross-check with your engine serial number)

Note: Always verify engine model and serial number before ordering.

Compatibility

Engine Models:

• Yanmar 3d74e-3, 3d74e-n
• Yanmar 3TNE74, 3TNE74C
• Yanmar 3TNA74

Common Applications:

• Yanmar excavators (e.g., VIO series, B series)
• Yanmar compact tractors
• Yanmar industrial engines
• Agricultural machinery and generators using these engine platforms

Year Ranges: Compatible with engines manufactured from the 1990s through current production (verify specific application).

Global Supply & Distribution

Our logistics network enables efficient worldwide delivery:

• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, France, UK, Netherlands), Asia-Pacific (Japan, Australia, Singapore), Middle East (UAE, Saudi Arabia), and South America (Brazil, Chile).
• Fast Shipping: Standard delivery to major ports (Los Angeles, Rotterdam, Shanghai, Jebel Ali) within 7-15 business days; express options available.
• Bulk Orders: Volume discounts available for workshops, rebuilders, and dealerships. Custom logistics for container shipments.
• Trade Compliance: Full export documentation including commercial invoice, packing list, and certificate of origin. Customs-friendly packaging.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001-certified facilities with dimensional inspection to Yanmar OE specifications.
• Testing: Each batch undergoes hardness testing, surface finish inspection, and ring gap verification.
• Warranty: 12-month warranty against manufacturing defects. Claims supported with technical documentation.
• Certification: Material certificates available upon request for quality audits.

FAQ

Q1: How do I confirm this piston ring set fits my Yanmar engine?
Check your engine model plate (located on the valve cover or block). Compatible models include 3d74e-3, 3d74e-n, 3TNE74, 3TNE74C, and 3TNA74. Match your OEM part number (119623-22500 or Ym119623-22500) for guaranteed fitment. If your engine has been modified or rebuilt, measure cylinder bore diameter and ring groove widths.

Q2: What is the recommended installation procedure for these piston rings?
Always install rings with the manufacturer’s marking facing up. Stagger ring gaps at 120° intervals around the piston (avoid aligning with wrist pin). Use a ring compressor for installation to prevent breakage. After installation, rotate rings freely in grooves to ensure no binding. Torque connecting rod bolts to Yanmar specifications (typically 29-33 ft-lbs for 3TNE series).

Q3: How do I maintain engine performance after installing these rings?
Perform a proper break-in period: run engine at varying loads for first 50 hours without sustained full throttle. Change engine oil and filter after initial 50 hours to remove break-in debris. Use API CF-4 or higher grade diesel engine oil (SAE 15W-40 recommended). Monitor compression pressure after 100 hours; expect 350-400 psi for healthy 3TNE74 engines. Replace air and fuel filters per Yanmar maintenance schedule (every 250-500 hours).