Product Overview

This high-performance valve seat is engineered for the Mitsubishi 6D14 diesel engine, a core component in a wide range of industrial and construction machinery. Manufactured to exacting OEM specifications, this part ensures optimal engine sealing, heat dissipation, and longevity. We specialize in the global supply of critical engine components, with established distribution networks serving major markets across North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Premium Material Construction: Manufactured from high-grade, heat-resistant alloy to withstand extreme combustion chamber temperatures and prevent deformation.
• Precision Machining: Engineered to exact OEM tolerances for a perfect press-fit, ensuring a secure seal between the valve and cylinder head.
• Enhanced Durability: Superior wear resistance reduces valve recession, extends service intervals, and protects the cylinder head from damage.
• Optimal Heat Transfer: Designed for efficient heat dissipation away from the valve head, contributing to overall engine cooling and performance stability.
• Guaranteed Fitment: Direct replacement for original parts, ensuring seamless installation and restoring engine compression and efficiency.

Technical Specifications

OEM Cross-Reference

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

• Mitsubishi: ME031931, ME031935

Always verify the specific part number removed from your engine for confirmation.

Compatibility

This valve seat is designed specifically for the Mitsubishi 6D14 industrial diesel engine. This engine is commonly found in:

• Mitsubishi excavators and heavy machinery (models vary by region and year)
• Various industrial power units and generator sets

Note: While the 6D14 engine was used across multiple equipment models and years, we strongly recommend confirming your engine’s serial number or existing part number before purchase to ensure perfect compatibility.

Global Supply & Distribution

We are a trusted B2B supplier for heavy equipment parts distributors and repair workshops worldwide. Our logistics network ensures reliable delivery to key industrial hubs.

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada), Europe (UK, Germany, Netherlands), Asia-Pacific (Australia, Singapore, Japan), and the Middle East (UAE, Saudi Arabia).
• Efficient Logistics: Fast container (FCL/LCL) and air freight options to major ports and airports. We handle all export documentation, customs clearance, and international trade compliance.
• Regional Stock: Strategic inventory partnerships enable faster delivery times to critical markets in Europe and Southeast Asia.

Quality Assurance

Every part reflects our commitment to quality that meets the demands of the global heavy equipment industry.

• Manufacturing Standards: Produced in ISO-certified facilities using advanced metallurgy and CNC machining processes.
• Rigorous Testing: Components undergo dimensional inspection, material hardness testing, and visual quality control to ensure they meet or exceed OEM performance benchmarks.
• Warranty: Backed by a standard warranty against manufacturing defects. Contact us for specific warranty terms applicable to your region.

FAQ

Q1: How do I confirm this valve seat is the correct part for my specific 6D14 engine?
A1: The most reliable method is to match the part number. Check the original valve seat removed from your cylinder head for the stamped number (ME031931 or ME031935). If unavailable, provide your engine’s model code and serial number for our technical team to verify.

Q2: What is the recommended installation procedure for this valve seat?
A2: Valve seat installation is a precision engine rebuilding task. It typically requires heating the cylinder head (using an oven or induction heater) and cooling the seat for a shrink-fit installation. Proper machining of the head counterbore and final valve seat cutting/grinding is essential. We recommend installation by a qualified technician with proper tools.

Q3: Do you supply matching valves or complete valve train kits for the 6D14 engine?
A3: Yes. We offer a full range of compatible engine components. For optimal performance and wear characteristics, we recommend installing new valves and valve seals alongside these seats. Contact us for pricing on complete valve train overhaul kits, which are often more cost-effective for a full rebuild.

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 .