Product Details

Product Overview

This premium engine valve is specifically engineered for the Mitsubishi 4D56U diesel engine, a variant of the renowned 4D56 series. Designed as a direct OEM replacement, this valve ensures optimal combustion chamber sealing and efficient gas flow. Sourced from a manufacturer with extensive global shipping experience, we serve major markets including North America, Europe, Asia-Pacific, the Middle East, and Africa. Ideal for B2B buyers requiring reliable, high-volume supply for automotive repair shops, engine rebuilders, and heavy machinery maintenance.

Key Features & Benefits

• Superior Material: Manufactured from high-strength alloy steel (typically 21-4N or equivalent) for exceptional heat and wear resistance.
• Precision Engineering: CNC-machined to strict OEM tolerances (0.01mm) ensuring a perfect seal and preventing gas leakage.
• Enhanced Durability: Hardened stem tip and chrome-plated stem for reduced friction and extended valve guide life.
• Optimized Performance: Provides consistent compression and fuel efficiency, critical for turbocharged 4D56T applications.
• Drop-in Fit: Direct replacement for original valves; no modification required for installation.

Technical Specifications

OEM Cross-Reference

This valve is a direct replacement for the following original Mitsubishi part numbers:

• ME203829 (Intake Valve)
• MD306045 (Exhaust Valve)
• MD306046 (Exhaust Valve, Alternative)
• ME203830 (Intake Valve, Alternative)

Note: Always verify your specific engine head casting number to confirm compatibility. This part is a cross-reference and may be manufactured by a third-party supplier meeting OEM standards.

Compatibility

Designed for the following Mitsubishi engine and vehicle applications:

• Engine Models: 4D56, 4D56T, 4D56U (2.5L Turbo Diesel)
• Vehicle Applications:
  • Mitsubishi L200 / Triton (1996-2015)
  • Mitsubishi Pajero / Montero (1990-2006)
  • Mitsubishi Delica (1994-2007)
  • Mitsubishi Strada / L300 (1990-2005)
• Year Range: 1990-2015 (specific to 4D56 engine family)

Global Supply & Distribution

We offer efficient worldwide logistics to support your business operations:

• Worldwide Shipping: via DHL, FedEx, UPS, TNT, and sea freight (FOB/CIF) to major ports including Shanghai, Rotterdam, Los Angeles, Dubai, and Singapore.
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy), Asia-Pacific (Australia, Japan, Thailand, Indonesia), Middle East (UAE, Saudi Arabia, Qatar), Africa (Nigeria, South Africa, Kenya).
• Fast Delivery: Stock items ship within 24-48 hours. Express delivery to major industrial centers in 3-7 business days.
• Export Experience: Experienced in international trade compliance (HS Code: 8481.80) and customs documentation for hassle-free clearance.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities, adhering to strict quality control protocols.
• Certifications: IATF 16949 (automotive quality management) available upon request.
• Warranty: 12-month warranty against manufacturing defects in materials and workmanship.
• Testing: Each batch undergoes dimensional inspection, hardness testing, and leak-down pressure tests to ensure reliability.

FAQ

1. Will this valve fit my 4D56U engine if I have a turbocharger?

Yes, this valve is designed to fit both naturally aspirated (4D56) and turbocharged (4D56T/4D56U) variants. The material and heat treatment are suitable for the higher temperatures of turbocharged applications. However, we recommend verifying the valve head diameter and stem length against your existing valve for a perfect match.

2. Do I need to replace valve stem seals when installing these valves?

Absolutely. We strongly recommend replacing valve stem seals simultaneously to prevent oil leakage into the combustion chamber. This ensures optimal compression and extends the life of both the new valves and the engine. Our stock often includes compatible valve stem seals—please inquire for bundled pricing.

3. What is the recommended installation procedure for these valves?

Installation should be performed by a qualified mechanic. Key steps include: (1) Clean the valve guides thoroughly, (2) Apply molybdenum disulfide grease to the valve stem, (3) Use a valve spring compressor to avoid damaging the new valve, (4) Lap the valve to the seat using fine grinding compound to ensure a perfect seal, (5) Check valve clearance and adjust as per the engine service manual. Always torque cylinder head bolts to the manufacturer’s specifications.

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 .