Product Overview

This professional-grade engine overhaul kit is engineered for the reliable repair and maintenance of Hyundai D6AC diesel engines. Designed to meet or exceed OEM specifications, this comprehensive set includes a cylinder liner kit and a matched piston set, providing a complete solution for critical engine rebuilding. We specialize in global B2B supply, serving major markets across North America, Europe, the Middle East, Asia-Pacific, and Africa with efficient logistics to key industrial and port cities.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM dimensions (OEM Size) for a perfect fit and optimal engine performance, ensuring correct compression and oil control.
• Enhanced Durability: Made from high-grade materials to withstand the high pressures and thermal stresses of diesel operation, extending engine life and service intervals.
• Complete Repair Solution: Combining the cylinder liner kit (21131-83012) and piston set (23411-83411) simplifies sourcing and guarantees component compatibility for a seamless overhaul.
• Rigorous Quality Control: Each component undergoes stringent inspection, supported by machinery test reports and video outgoing-inspection documentation for verified quality.
• Global Application Readiness: Built for demanding use in construction, industrial, agricultural, genset, marine, and handling equipment, ensuring reliability in diverse operating conditions.

Technical Specifications

OEM Cross-Reference

This kit is a direct replacement for the following genuine part numbers:

• Hyundai Original: 21131-83012 (Cylinder Liner Kit)
• Hyundai Original: 23411-83411 (Piston Set)

Note: OEM service is available. Please contact our technical sales team for custom manufacturing inquiries against your drawings or samples.

Compatibility

This kit is specifically designed for engines using the Hyundai D6AC diesel engine platform. It is applicable to a wide range of heavy-duty equipment, including:

• Hyundai excavators, wheel loaders, and construction machinery
• Industrial power units and generator sets (Gensets)
• Agricultural machinery and tractors
• Marine auxiliary engines
• Material handling equipment

For precise fitment confirmation for your specific machine model and serial number, please consult with our parts specialists.

Global Supply & Distribution

We are a seasoned exporter of heavy-duty engine components with a robust supply chain designed for international B2B clients. Our capabilities include:

• Worldwide Shipping: Reliable FOB, CIF, or EXW terms to all major global markets.
• Key Market Expertise: Extensive experience supplying to North America (USA, Canada), the European Union, the Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Southeast Asia), and South America.
• Fast Logistics: Consolidated shipments and established freight partnerships ensure timely delivery to major ports like Los Angeles, Rotterdam, Dubai, Singapore, and Sydney.
• Trade Compliance: All documentation, including commercial invoices, packing lists, and certificates of origin, is prepared to meet international customs standards.

Quality Assurance

Our commitment to quality ensures you receive reliable parts that perform:

• Manufacturing Standards: Components are produced in ISO-certified facilities using precision machining and advanced metallurgy.
• Warranty: Backed by a 6-month warranty from the date of delivery, covering material and workmanship defects.
• Testing & Documentation: Every batch is validated. A machinery test report is provided, and optional video outgoing-inspection is available for quality verification prior to shipment.
• Post-Sale Support: Comprehensive after-warranty service with online technical support to assist with installation or operational queries.

FAQ

Q1: Is this a complete set for rebuilding a D6AC engine cylinder block?
A1: This kit includes the essential cylinder liner assemblies and the corresponding piston sets. For a complete overhaul, you will typically also need piston rings, connecting rod bearings, main bearings, gaskets, and seals. Please inquire about our full master overhaul kits.

Q2: How do I verify the fitment for my specific machine?
A2> The most accurate method is to cross-reference your machine’s model and serial number, or the existing part numbers stamped on the original components (21131-83012 for liners, 23411-83411 for pistons). Our technical team can assist with confirmation based on your equipment details.

Q3: What precautions should be taken during installation?
A3: Professional installation is critical. Ensure the engine block is thoroughly cleaned, inspected for cracks or warpage, and the cylinder bores are properly honed to the specified finish for the new liners. Always follow the engine manufacturer’s torque specifications and procedures for liner protrusion and piston ring end-gap. Use adequate lubrication during assembly.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .