Product Overview

This high-performance K3H Cylinder Liner and Piston Kit (Part No. MM432509) is engineered for Mitsubishi industrial and excavator diesel engines. As a leading global supplier of heavy machinery engine components, we provide reliable parts for major markets worldwide, including North America, Europe, Asia-Pacific, and the Middle East. This complete set is designed to restore engine compression and power, ensuring optimal performance and longevity for demanding applications.

Key Features & Benefits

• Premium Material Construction: Manufactured from high-grade cast iron and aluminum alloys for superior heat dissipation and wear resistance.
• Precision Engineering: Components are machined to exact OEM tolerances, guaranteeing a perfect fit and seamless installation.
• Enhanced Durability: Advanced surface treatments and hardening processes reduce friction and extend the service life of the engine.
• Complete Restoration Kit: Includes all necessary components for a comprehensive engine overhaul, minimizing downtime.
• Optimized for Performance: Designed to maintain original engine specifications for fuel efficiency, power output, and emission standards.

Technical Specifications

OEM Cross-Reference

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

• Mitsubishi: MM432509
• Common Alternative: K3H Full Gasket & Liner Kit

Note: Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

This piston and liner kit is designed for Mitsubishi K3H series diesel engines. These engines are commonly found in:

• Excavators: Various Mitsubishi excavator models (e.g., mid-range models from the 1990s-2000s).
• Industrial Machinery: Generators, pumps, and other stationary equipment powered by the K3H engine.

For precise application, please consult your engine’s service manual or contact our technical support with your equipment model and engine serial number.

Global Supply & Distribution

We are a trusted partner in the global heavy equipment aftermarket. Our logistics network ensures efficient delivery to key industrial regions:

• Worldwide Shipping: We export to all major markets, including the USA, Germany, UAE, Australia, Japan, and South Africa.
• Fast Port Delivery: Consolidated shipments to major ports like Rotterdam, Los Angeles, Singapore, and Jebel Ali for rapid regional distribution.
• B2B Expertise: Experienced in international trade documentation, customs compliance, and bulk order fulfillment for distributors and workshops.

Quality Assurance

Every component meets rigorous quality standards to ensure reliability in the field.

• Manufacturing Standards: Produced in ISO-certified facilities using precision CNC machinery.
• Stringent Testing: Components undergo dimensional checks, hardness testing, and visual inspections to confirm they meet OEM specifications.
• Warranty: Backed by a standard 12-month warranty against manufacturing defects, providing peace of mind for your investment.

FAQ

Q1: Is this a complete kit for rebuilding a K3H engine cylinder?
A1: Yes, this MM432509 kit includes the cylinder liners and pistons required for a cylinder block overhaul. Please note that piston rings, connecting rods, bearings, and gaskets are typically sold separately. Confirm the exact contents of the kit you are ordering.

Q2: How do I ensure this part fits my specific Mitsubishi excavator?
A2> The most reliable method is to match the part number (MM432509) from your old parts or the engine’s parts manual. Providing your equipment model number and engine serial number to our sales team allows us to perform a final compatibility check before shipping.

Q3: What are the signs that my Mitsubishi K3H engine needs a new piston and liner kit?
A3> Common symptoms include excessive blue smoke from the exhaust (oil burning), loss of engine power and compression, increased oil consumption, and in severe cases, knocking sounds from the engine block. A compression test can diagnose worn pistons and liners.

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 .