Product Overview

This premium Fuel Injection Plunger Element is a direct replacement for Mitsubishi 4D31, 4D32, and 4D33 diesel engines. Manufactured to OE specifications, this component is critical for maintaining precise fuel metering and injection timing, ensuring optimal engine performance and fuel efficiency. Sourced from a leading Shandong manufacturer, our plunger elements are rigorously tested and shipped globally to meet the demands of heavy-duty applications, fleet maintenance, and engine rebuild shops across North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• Precision Engineering: Manufactured from High-Speed Steel for exceptional wear resistance and long service life under high-pressure conditions.
• 100% Professional Tested: Every unit undergoes strict quality control to ensure perfect fit and reliable fuel delivery.
• Direct OE Replacement: Designed to match original Mitsubishi specifications for a seamless installation.
• Enhanced Durability: Reduces pump wear and minimizes the risk of fuel system failure, extending the life of your injection pump.
• Cost-Effective Solution: A high-quality alternative to expensive OEM parts, offering significant savings for fleet operators and rebuilders.

Technical Specifications

OEM Cross-Reference

This Fuel Injection Plunger Element is cross-referenced with the following OEM and equivalent part numbers. It is designed to replace the original components in your injection pump.

• OEM Numbers: 090150-5630, 090150-3050, 090150-4810
• Application: Direct replacement for Mitsubishi diesel injection pumps used in 4D31, 4D32, and 4D33 engines.

Compatibility

• Engine Models: Mitsubishi 4D31, 4D32, 4D33
• Vehicle/Equipment Fitment: Designed for use in diesel cars, trucks, and industrial machinery utilizing these specific engine models. Suitable for both repair and replacement purposes.
• Application Type: Diesel Engine Fuel Injection Pump

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a robust logistics network. We serve a diverse range of international clients, including parts distributors, repair shops, and engine rebuilders.

• Worldwide Shipping: We offer reliable shipping via express (DHL, FedEx, UPS, TNT) and sea freight to all continents.
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy), Asia-Pacific (Japan, South Korea, Australia), Middle East (UAE, Saudi Arabia), and South America.
• Fast Delivery: Standard delivery time is 3-7 days for express shipping, with efficient customs clearance support.
• Trade Compliance: We have extensive experience in international export and can assist with documentation for smooth transactions.

Quality Assurance

• Manufacturing Standards: Produced in an ISO-compliant facility using high-grade raw materials.
• Testing: 100% professional testing is conducted to verify dimensional accuracy, surface finish, and pressure integrity.
• Warranty: All products are backed by a 6-month warranty against manufacturing defects, providing peace of mind for your purchase.

FAQ

Q1: How do I know this plunger element will fit my injection pump?
A: This part is a direct replacement for the Mitsubishi P-series injection pumps used on 4D31, 4D32, and 4D33 engines. Please verify your pump’s part number (e.g., 090150-5630) matches the one on your current plunger element before purchasing. If you are unsure, contact us with your engine and pump model for verification.

Q2: What is the recommended installation procedure for this plunger element?
A: Installation should be performed by a qualified diesel technician. The plunger element must be thoroughly cleaned and lubricated with clean diesel fuel before installation. Ensure the pump housing is free of debris. It is critical to maintain absolute cleanliness to prevent premature wear and scoring. We recommend replacing the delivery valve and other wear parts simultaneously for optimal pump performance.

Q3: How can I ensure the longevity of this fuel injection plunger?
A: The lifespan of the plunger element is highly dependent on fuel quality and filtration. Always use clean, high-quality diesel fuel and replace your fuel filters at the manufacturer’s recommended intervals. Contaminants in the fuel are the primary cause of plunger wear. Regular maintenance of the entire fuel system, including the injection pump, will significantly extend the service life of this component.

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 .