Product Overview

This is a premium-quality Rocker Arm Assembly, engineered to the exact OEM specifications for the Mitsubishi 6D31 diesel engine. Designed for durability and precise valve actuation, this assembly is a critical repair component for maintaining optimal engine performance and fuel efficiency. We supply this part globally to distributors, workshops, and fleet operators in key industrial markets worldwide, ensuring reliable operation in demanding applications from construction to marine power.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM dimensions (OEM Size) for a perfect fit and seamless installation, eliminating compatibility issues.
• Enhanced Durability: Constructed from high-grade materials to withstand the high-stress environment of diesel engine operation, ensuring long service life.
• Optimized Engine Performance: Ensures precise valve timing and lift, contributing to consistent power output, improved fuel economy, and reduced emissions.
• Comprehensive Quality Verification: Each batch is backed by machinery test reports and video outgoing-inspection records, providing transparent proof of quality.
• Direct OEM Replacement: Serves as a reliable, cost-effective alternative to genuine parts, suitable for overhauls and maintenance repairs.

Technical Specifications

OEM Cross-Reference

This rocker arm assembly is a direct replacement for the OEM part referenced as ME031855. It is manufactured to be interchangeable with the genuine Mitsubishi component for the 6D31 engine platform.

Compatibility

This assembly is specifically designed for the Mitsubishi 6D31 diesel engine. This engine is commonly found in a wide range of heavy-duty machinery and equipment, including:

• Construction Machinery: Excavators, loaders, bulldozers.
• Industrial Power Units: Generators (Gensets), pumps, compressors.
• Marine Applications: Auxiliary and propulsion engines for workboats.
• Agricultural Equipment: Tractors and harvesters.
• Material Handling: Forklifts and port equipment.

Always verify your engine model and serial number before purchase to ensure correct fitment.

Global Supply & Distribution

We are a professional exporter of heavy-duty engine components with extensive experience in international logistics. Our supply chain is optimized for fast, reliable delivery to major global markets.

• Worldwide Shipping: We ship to North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
• Major Port Delivery: Efficient container and LCL shipments to key hubs like Rotterdam, Los Angeles, Singapore, Dubai, and Hamburg.
• B2B Focus: We support wholesale distributors, large repair workshops, and OEM service networks with volume pricing and consistent supply.
• Trade Compliance: All documentation (commercial invoice, packing list, certificate of origin) is provided for smooth customs clearance.

Quality Assurance

We adhere to stringent quality control protocols to ensure every part meets professional repair standards.

• Manufacturing Standards: Components are produced using precision tooling and strict process controls to match OEM specifications.
• Warranty: Backed by a 6-month defects liability period from the date of delivery, covering material and workmanship.
• Testing & Inspection: Rigorous machinery testing and 100% functional inspection. Video outgoing-inspection is available upon request for quality verification.
• OEM Service: We offer OEM manufacturing services, capable of producing parts based on samples or drawings.

FAQ

Q: How can I be sure this part will fit my Mitsubishi 6D31 engine?
A: This rocker arm assembly is manufactured to the exact OEM specifications and size for the 6D31 engine, referenced by part number ME031855. For absolute certainty, we recommend cross-referencing this number with your engine’s service manual or existing part.

Q: What is included in the quality documentation?
A> We provide a machinery test report for the production batch. Additionally, we can supply a video outgoing-inspection record that shows the part being measured and functionally checked before packing, offering full transparency into our quality process.

Q: Do you offer support for large-scale fleet maintenance or project requirements?
A: Yes. We specialize in B2B supply and can accommodate bulk orders for fleet overhauls or project stock. Contact us directly to discuss volume pricing, customized packaging, and consolidated shipping to your regional warehouse or port.

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 .