Product Overview

This high-precision PW fuel pump plunger and barrel assembly, identified by part number 090150-5812 and 5812/NE, is a critical component for the fuel injection system of heavy-duty diesel engines. Designed for replacement and repair, this unit ensures optimal fuel metering and pressure generation. We are a leading global supplier, shipping directly from Shandong, China, to major markets including North America, Europe, the Middle East, and Asia-Pacific. Our logistics network guarantees fast and reliable delivery to ports and industrial hubs worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to exacting OEM specifications for a perfect fit and reliable performance.
• Superior Durability: Constructed from high-speed steel to withstand extreme pressures and temperatures, extending service life.
• Enhanced Fuel Efficiency: Restores proper fuel injection timing and volume, leading to improved combustion and reduced fuel consumption.
• Reduced Downtime: A direct replacement part that simplifies the repair process, getting your equipment back to work faster.
• Rigorous Testing: Each unit undergoes strict quality control checks to ensure flawless operation and long-term reliability.

Technical Specifications

OEM Cross-Reference

This plunger and barrel assembly directly replaces the following original equipment manufacturer (OEM) part numbers:

• 090150-5812
• 5812/NE
• 0901505812

Compatibility

This component is designed for use in a wide range of diesel engines, specifically those found in trucks and other heavy-duty vehicles. It is a standard PW-type plunger and barrel assembly suitable for various fuel injection pumps. Please verify your existing part number (090150-5812 or 5812/NE) to ensure compatibility with your specific engine model.

Global Supply & Distribution

We are committed to serving the global B2B market with efficient logistics and reliable supply chains.

• Worldwide Shipping: We ship to all major continents, including North America, Europe, Asia-Pacific, the Middle East, and Africa.
• Fast Delivery: Orders are processed quickly and delivered to major ports (e.g., Rotterdam, Singapore, Los Angeles) and industrial centers.
• Trade Compliance: We have extensive experience in international export documentation and customs clearance.
• Flexible Packaging: Available in neutral packaging or our own brand, as per your requirements.

Quality Assurance

Our manufacturing process adheres to strict quality control standards. Each plunger and barrel assembly is tested for dimensional accuracy, surface finish, and material hardness to ensure it meets or exceeds OEM performance requirements. We offer a 4-month warranty against manufacturing defects, providing you with confidence and peace of mind.

FAQ

Q: How do I confirm this plunger and barrel assembly is the correct fit for my engine?
A: The most reliable method is to check the part number stamped on your existing plunger and barrel. It should match 090150-5812 or 5812/NE. This is a common size for PW-type pumps, but always verify the physical dimensions (length and diameter) against your old part.

Q: What is the proper installation procedure for this component?
A: Installation should be performed by a qualified diesel mechanic. The process involves careful cleaning of the pump housing, lubrication with clean diesel fuel, and precise fitting to avoid binding. It is critical to maintain absolute cleanliness to prevent scoring and premature failure. We recommend replacing the entire plunger and barrel set for uniform performance.

Q: What is the typical lifespan of this plunger and barrel assembly?
A: Lifespan varies significantly based on fuel quality, operating conditions, and maintenance. With clean fuel and regular filter changes, this high-speed steel component can last for thousands of operating hours. The 4-month warranty covers manufacturing defects, but proper installation and fuel system maintenance are key to maximizing its service life.

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 .