WP4G95E221 Piston Ring Set for Weichai Engine Diesel | | Construction, Industrial & Marine

Product Details

Product Overview

This WP4G95E221 piston ring set is a precision-engineered component specifically designed for Weichai diesel engines. As a critical part of the engine’s combustion system, these piston rings ensure proper compression, oil control, and heat transfer within the cylinder. The set is manufactured to OEM size specifications, making it a reliable direct replacement for the original WP4G95E221 part.

Commonly utilized in a wide range of heavy-duty applications including construction machinery, industrial equipment, agricultural tractors, generator sets, marine vessels, and material handling equipment, this piston ring set is built to withstand the demanding conditions of continuous operation. Each ring is crafted from high-grade materials to deliver consistent performance and longevity.

Key Features & Benefits

• OEM Specification: Manufactured to match the exact OEM size and profile (WP4G95E221), ensuring a precise fit and reliable sealing within the cylinder bore for optimal compression.
• Durable Construction: Made from wear-resistant materials designed to withstand high temperatures and pressures inside a diesel combustion chamber, reducing the risk of blow-by and oil consumption.
• Enhanced Oil Control: The ring pack is engineered to provide excellent oil scraping and control, minimizing oil consumption and preventing carbon buildup on the piston and cylinder walls.
• Improved Engine Efficiency: By maintaining a tight seal, these rings help restore lost compression, leading to better fuel efficiency, increased power output, and smoother engine operation.
• Versatile Application: Suitable for a broad spectrum of Weichai-powered machinery, from construction sites and farms to marine environments and power generation, offering a single solution for diverse fleet needs.
• Complete Set: Includes all necessary rings (compression and oil rings) for a full piston replacement or overhaul, saving time on sourcing individual components.

Technical Specifications

OEM Cross-Reference

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

• WP4G95E221 (Primary OEM Number)
• WP4G95E221-0001 (Alternative/Sub-Number)

Note: If your specific engine serial number requires a different variant, please contact our support team to confirm compatibility before purchasing.

Compatibility

This piston ring set is commonly used for engines in the following Weichai engine families and applications:

• Engine Models: Weichai WP4G95E221 series diesel engines.
• Typical Applications:
  • Construction Machinery: Wheel loaders, bulldozers, excavators.
  • Industrial Equipment: Forklifts, air compressors, pumps.
  • Agricultural Tractors: Large farm tractors and harvesters.
  • Generator Sets: Standby and prime power generators.
  • Marine Engines: Auxiliary and main propulsion engines.
  • Material Handling: Port equipment and warehouse machinery.

Fitment is inferred based on the OEM part number. Always verify with your engine’s serial number or original part for exact match.

Global Supply & Distribution

maintains a robust global supply chain capable of shipping to virtually any destination worldwide. We offer fast, reliable delivery to major industrial ports and distribution centers across:

• North America: Ports of Los Angeles, Houston, New York, and Vancouver.
• Europe: Ports of Rotterdam, Hamburg, Antwerp, and Felixstowe.
• Asia-Pacific: Ports of Shanghai, Singapore, Busan, and Sydney.
• Middle East & Africa: Ports of Dubai, Jebel Ali, Durban, and Lagos.
• South America: Ports of Santos, Buenos Aires, and Callao.

With years of export experience, we handle all international trade documentation and customs clearance requirements. We offer flexible shipping options including air freight, sea freight, and express courier services (DHL, FedEx, UPS) to meet urgent deadlines.

Quality Assurance

• Manufacturing Standards: Components are manufactured in ISO 9001:2015 certified facilities, ensuring consistent quality control throughout production.
• Testing: Each batch undergoes rigorous inspection including dimensional accuracy checks, material composition analysis, and hardness testing. Video outgoing inspection is available upon request.
• Warranty: All products come with a 6-month warranty against manufacturing defects. After-warranty online support is available for technical assistance.
• Certification: A Machinery Test Report is provided with each shipment, verifying that the parts meet OEM specifications.

FAQ

Q: How do I confirm this piston ring set will fit my Weichai engine?
A: Verify your engine model number. This set is specifically designed for the Weichai WP4G95E221 diesel engine. Check your engine’s serial number plate or your old piston ring part number. If you have a different engine variant (e.g., WP4G95E222), please contact us with your engine details for cross-reference.

Q: What is the recommended installation process for these piston rings?
A: Installation should be performed by a qualified diesel mechanic. Key steps include: 1) Clean the piston ring grooves thoroughly. 2) Check ring end gap in the cylinder bore using a feeler gauge (refer to engine manual for specs). 3) Install rings in the correct order (oil ring first, then compression rings). 4) Stagger ring gaps evenly around the piston (typically 120° apart). 5) Lubricate rings and piston with clean engine oil before insertion.

Q: What is the typical lifespan of these piston rings under normal operating conditions?
A: Lifespan varies significantly based on application, maintenance, and operating conditions. In well-maintained industrial or genset applications, these rings can last 6,000-10,000 hours. In harsh construction or mining environments, replacement may be needed sooner (3,000-6,000 hours). Regular oil changes and using the correct viscosity oil will maximize ring life. Monitor for symptoms like increased blow-by, oil consumption, or loss of power as indicators for replacement.