Product Details

Product Overview

This high-quality engine piston is specifically designed for Komatsu 4D94-3 diesel engines, offering a reliable and durable replacement solution for heavy machinery. Manufactured to meet or exceed OEM specifications, this piston features a precise 32mm pin hole diameter and is identified by part number 6144-33-2110. We serve a global network of B2B clients, including distributors, repair shops, and fleet operators across North America, Europe, Asia-Pacific, the Middle East, and South America, ensuring fast and efficient logistics to major industrial hubs.

Key Features & Benefits

• Precision Engineering: Machined to exact OEM tolerances for a perfect fit and optimal engine compression.
• Superior Durability: Constructed from high-strength, heat-resistant aluminum alloy to withstand extreme combustion pressures and temperatures.
• Enhanced Performance: Designed to minimize friction and wear, contributing to improved fuel efficiency and reduced emissions.
• Reliable Seal: Optimized ring groove geometry ensures a secure seal with piston rings, preventing blow-by and oil consumption.
• Direct Replacement: A true bolt-on component, simplifying installation and reducing downtime for your equipment.

Technical Specifications

OEM Cross-Reference

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

• Komatsu Original: 6144-33-2110
• Komatsu 4D94-3 Series: 6144-33-2110

Note: Always verify your engine model and existing part number before purchase to ensure compatibility.

Compatibility

This engine piston is specifically compatible with the following applications:

• Engine Models: Komatsu 4D94-3
• Typical Machinery: Komatsu mini excavators, compact loaders, and other industrial equipment powered by the 4D94-3 engine.
• Year Range: Fits various model years utilizing the 4D94-3 engine. Please cross-reference your engine serial number for exact fitment.

Global Supply & Distribution

Our extensive supply chain ensures that this Komatsu 4D94-3 piston is available for immediate dispatch to clients worldwide. We specialize in B2B bulk orders and single-unit replacements alike.

• Worldwide Shipping: Reliable logistics partners ensure fast delivery to major ports (e.g., Los Angeles, Rotterdam, Shanghai, Dubai) and industrial centers.
• Major Markets: We serve North America, Europe, Southeast Asia, the Middle East, Africa, and Oceania.
• Export Compliance: All products are packaged and documented according to international trade standards for smooth customs clearance.
• Stock Availability: Large inventory maintained to meet urgent demands and minimize lead times.

Quality Assurance

Every piston undergoes rigorous quality control to ensure it meets the highest industry standards.

• Manufacturing Standards: Produced in ISO 9001 certified facilities.
• Material Testing: Raw materials are tested for hardness, tensile strength, and thermal stability.
• Dimensional Accuracy: Each piston is inspected for pin bore size, ring groove width, and overall diameter using precision measuring equipment.
• Warranty: We offer a standard 12-month warranty against manufacturing defects, ensuring your peace of mind.

FAQ

Q1: Is this piston a direct replacement for the Komatsu 4D94-3 engine?
A1: Yes, this piston (Part No. 6144-33-2110) is a direct, bolt-on replacement for the Komatsu 4D94-3 engine. It features the correct 32mm pin hole and standard dimensions to match the OEM specifications. Always confirm your engine model before ordering.

Q2: What are the key measurements I need to check for installation?
A2: For a successful installation, verify the piston’s overall diameter against your engine’s cylinder bore, ensure the 32mm pin hole aligns with your connecting rod pin, and check the ring groove widths match your existing piston rings. Proper clearance is critical for performance.

Q3: Does this piston come with piston rings and a wrist pin?
A3: This listing includes the piston only. Piston rings and wrist pins are typically sold separately to allow you to select the specific type and size required for your engine rebuild. We recommend purchasing a matched set for optimal performance.

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 .