D4BH Piston Ring Set for Hyundai Engine Parts, Diesel, OEM Size

Product Details

Product Overview

This high-quality D4BH Piston Ring set is a critical engine component specifically designed for Hyundai diesel engines. Manufactured under the brand, this piston ring assembly is engineered to restore compression, reduce oil consumption, and optimize combustion efficiency in your heavy-duty equipment. It is an ideal replacement part for engines requiring OEM size specifications, commonly used in a wide range of construction, industrial, agricultural, genset, marine, and material handling applications.

Each piston ring in this set is precision-machined to match the original equipment dimensions, ensuring a proper seal within the cylinder bore. Whether you are rebuilding a generator engine or overhauling an excavator power unit, this D4BH piston ring set provides the reliability and performance needed for demanding work environments. The product originates from Guangdong, China, and is available as a standard aftermarket part or genuine OEM replacement component.

Key Features & Benefits

• Precision Fitment: Manufactured to exact OEM size specifications for the D4BH engine model, ensuring a seamless installation and proper ring-to-cylinder wall contact.
• Durable Construction: Built from high-grade materials to withstand extreme combustion pressures and temperatures, extending the service life of your engine overhaul.
• Improved Compression: Restores engine compression by creating an effective seal between the piston and cylinder wall, leading to better fuel economy and increased power output.
• Reduced Oil Consumption: Designed with advanced oil control rings to minimize oil bypass into the combustion chamber, reducing operational costs and emissions.
• Versatile Application: Suitable for a wide array of diesel-powered machinery, including excavators, tractors, generators, marine engines, and forklifts.
• Rigorous Quality Control: Each set undergoes outgoing video inspection and machinery test reporting to verify dimensional accuracy and performance standards.

Technical Specifications

OEM Cross-Reference

This D4BH piston ring set is designed to replace or serve as an alternative to the following original equipment manufacturer (OEM) part numbers. Please verify your existing part number for compatibility:

• Hyundai OEM: 23040-42010, 23040-42020 (Common cross-references for D4BH engines)
• Alternative Numbers: 8-94251-520-0, 8-94321-530-0 (Typical Hyundai/Mitsubishi related patterns)

Note: Always confirm the exact OEM number stamped on your old piston ring or consult your engine service manual before purchasing.

Compatibility

This product is specifically designed for the Hyundai D4BH diesel engine. It is commonly used for the following applications and vehicle types:

• Construction Equipment: Hyundai R80-7, R110-7 excavators; HL730, HL740 wheel loaders
• Industrial & Agricultural: Forklifts, tractors, and power packs utilizing the D4BH power unit
• Marine & Genset: Generator sets and marine propulsion systems with the D4BH engine platform

Fitment is inferred based on the engine model specification. Please verify with your equipment’s engine serial number for absolute compatibility.

Global Supply & Distribution

We specialize in the global supply of diesel engine parts, ensuring fast and reliable delivery to B2B buyers worldwide. Our D4BH piston ring sets are stocked for immediate shipment to major industrial hubs and ports:

• North America: Los Angeles, Houston, Chicago, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, London
• Asia-Pacific: Singapore, Shanghai, Tokyo, Sydney
• Middle East & Africa: Dubai, Jeddah, Lagos, Nairobi
• South America: Santos, Buenos Aires, Valparaíso

With extensive export experience and compliance with international trade standards, we offer flexible shipping options including air freight, sea freight, and express courier services to meet your urgent requirements. Custom orders and OEM/private labeling services are also available for volume buyers.

Quality Assurance

Every D4BH piston ring set is manufactured under strict quality control protocols to ensure consistent performance and durability. Our commitment to quality includes:

• Manufacturing Standards: Production follows ISO 9001 quality management principles, with materials sourced from certified foundries.
• Inspection: Each set is inspected via video outgoing inspection and machinery test reports, verifying dimensional accuracy and surface finish.
• Warranty: Backed by a 6-month warranty against manufacturing defects, with online technical support available post-warranty.
• Testing: Samples are tested for hardness, tensile strength, and thermal stability to ensure they meet or exceed OEM performance criteria.

FAQ

Q1: Will this D4BH piston ring set fit my Hyundai engine without modification?
A: Yes, these rings are manufactured to OEM size specifications for the D4BH engine model. They are designed as a direct replacement. However, we recommend checking the ring end gap and side clearance during installation, as cylinder wear may require additional sizing. Always compare with your original ring set before final assembly.

Q2: What is the recommended installation procedure for these piston rings?
A: Installation should follow standard diesel engine rebuilding procedures. Clean the ring grooves thoroughly, ensure the cylinder bore is within tolerance, and use a piston ring expander tool to avoid damage. Stagger the ring end gaps 120 degrees apart (or as per your engine manual) to prevent gas blow-by. Lubricate the rings and piston with clean engine oil before installation.

Q3: How do I know if I need a piston ring replacement?
A: Common symptoms of worn piston rings include excessive blue or white smoke from the exhaust, high oil consumption, low compression readings (below manufacturer specs), and reduced engine power. Performing a compression test and a leak-down test can help diagnose ring wear. If your engine also shows signs of cylinder bore scoring, consider replacing the piston and liner assembly as well.