Product Details

Product Overview

This is a high-quality, direct replacement engine piston assembly specifically designed for the Weifang K4102D2-1 diesel engine. Manufactured to meet or exceed OEM specifications, this piston set includes the piston, piston pin, and retaining clips, providing a complete solution for engine overhaul and repair. We serve a global network of B2B clients, including dealerships, repair shops, and equipment manufacturers across North America, Europe, Southeast Asia, and the Middle East, ensuring reliable supply for your heavy-duty applications.

Key Features & Benefits

• Precision Engineering: Machined to exact tolerances for a perfect fit within the K4102D2-1 cylinder bore, minimizing friction and maximizing compression.
• Durable Construction: Manufactured from high-strength alloy cast iron, providing excellent thermal stability and resistance to wear under high-stress operating conditions.
• Complete Assembly: Includes the piston, a hardened steel piston pin, and durable retaining clips, simplifying the installation process and reducing downtime.
• Enhanced Performance: Optimized ring groove design ensures superior oil control and gas sealing, contributing to improved fuel efficiency and reduced emissions.
• Rigorous Testing: Each component is inspected for dimensional accuracy and material integrity, ensuring long service life and reliable engine performance.

Technical Specifications

OEM Cross-Reference

• Weifang Original Part Number: K4102D2-1
• Alternative OEM Numbers: 4102-1004011 (Note: Verify with your engine’s original part number for exact cross-reference)
• Compatible Series: This part is specific to the Weifang K4102D2-1 engine model. For other K4102 variants (e.g., K4102ZD, K4102D), please confirm piston diameter and pin size compatibility.

Note: While this is a direct replacement for the listed OEM number, we recommend comparing dimensions with your original piston to ensure a perfect match for your specific engine variant.

Compatibility

• Engine Models: Weifang K4102D2-1, K4102D, K4102ZD
• Vehicle/Equipment Applications: Agricultural tractors, combine harvesters, construction machinery (e.g., loaders, backhoes), industrial generators, and marine auxiliary engines powered by the Weifang K4102 series.
• Year Ranges: Generally compatible with engines manufactured from the early 2000s to present. Always verify engine serial number for best fitment.

Global Supply & Distribution

We are a trusted supplier of diesel engine components, offering efficient global logistics to support your operations. Our supply chain is designed for speed and reliability.

• Worldwide Shipping: We ship to over 50 countries, including the United States, Canada, Mexico, Germany, the United Kingdom, Australia, the UAE, Saudi Arabia, South Africa, and throughout Southeast Asia.
• Major Ports & Industrial Centers: Fast delivery to key hubs such as Rotterdam, Singapore, Dubai, Los Angeles, Houston, Shanghai, and Hamburg.
• Flexible Logistics: We offer express (DHL, FedEx, UPS), air freight, and sea freight options to match your budget and timeline.
• Trade Compliance: Our export documentation is fully compliant with international trade regulations, ensuring a smooth customs clearance process.

Quality Assurance

• Manufacturing Standards: Our products are manufactured in ISO 9001:2015 certified facilities, ensuring consistent quality control.
• Testing: Each piston assembly undergoes rigorous inspection, including dimensional checks, hardness testing, and visual inspection for surface defects.
• Warranty: We provide a 12-month warranty against manufacturing defects in materials and workmanship, giving you peace of mind for your investment.

FAQ

Q: Is this piston assembly a direct fit for my Weifang K4102D2-1 engine?

A: Yes, this part is specifically designed as a direct replacement for the Weifang K4102D2-1 engine. It includes the piston, pin, and clips, allowing for a straightforward installation. However, we always recommend comparing the dimensions (diameter, pin bore size, and overall height) with your original piston to confirm compatibility, especially if your engine has been previously overhauled with non-standard parts.

Q: What is the recommended installation procedure for this piston?

A: Professional installation is recommended. Key steps include: 1) Carefully clean the cylinder bore and piston. 2) Lubricate the piston pin and bore with clean engine oil before assembly. 3) Install the retaining clips securely, ensuring they are fully seated in their grooves. 4) Use a proper piston ring compressor to install the piston into the cylinder. 5) Follow the engine manufacturer’s torque specifications for the connecting rod bolts.

Q: How should I store this piston assembly before installation?

A: To prevent corrosion and maintain the precision surfaces, store the piston assembly in a clean, dry environment at room temperature. Keep it in its original packaging until ready for installation. Avoid exposure to moisture, extreme temperature fluctuations, and corrosive chemicals. If long-term storage is required, consider applying a light coat of anti-rust oil to the piston skirt and pin.

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 .