Product Overview

This is a high-quality, aftermarket replacement Fuel Injection Pump Barrel and Plunger Assembly, part number 1W6539, specifically designed for the Caterpillar 3300B diesel engine. As a critical component of the fuel injection system, this assembly ensures precise fuel metering and delivery for optimal engine performance and fuel efficiency. We specialize in the global supply of heavy-duty diesel engine parts, serving major markets including North America, Europe, the Middle East, and Asia-Pacific with reliable shipping to industrial centers and major ports worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to match or exceed OEM specifications for exact fit and reliable function.
• High Durability: Constructed from hardened, wear-resistant materials to withstand the high pressures of the injection system and provide a long service life.
• Optimal Fuel Efficiency: Ensures accurate fuel delivery, promoting complete combustion and reducing overall fuel consumption.
• Reliable Performance: Helps maintain consistent engine power, smooth idling, and reliable starting in demanding working conditions.
• Cost-Effective Solution: A high-quality aftermarket alternative to expensive OEM parts without compromising performance.

Technical Specifications

Specification	Detail
Part Name	Fuel Injection Pump Barrel & Plunger Assembly
Part Number	1W6539
Engine Model	Caterpillar 3300B Series
Material	High-Grade Alloy Steel
Condition	New, Aftermarket
Application	Fuel Injection System

OEM Cross-Reference

This part is a direct replacement for the following OEM number(s):

• Caterpillar OEM: 1W6539

Compatibility

This Fuel Barrel and Plunger Assembly is specifically designed for use in:

• Engine Model: Caterpillar 3300B Diesel Engine
• Typical Applications: This engine model is commonly found in industrial, agricultural, and construction machinery. Please verify your specific engine model and injection pump type to ensure compatibility.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a strong focus on international trade. Our logistics network supports:

• Worldwide Shipping: We ship to all continents, including North America, South America, Europe, Africa, the Middle East, and Asia-Pacific.
• Major Ports & Hubs: Efficient delivery to key ports like Rotterdam, Shanghai, Singapore, Houston, and Dubai.
• Fast Processing: Orders are processed quickly to minimize downtime for your equipment.
• Customs Compliance: We provide all necessary documentation for smooth international customs clearance.

Quality Assurance

• Manufacturing Standards: Our parts are produced in ISO 9001 certified facilities, ensuring strict quality control during production.
• Testing: Each component undergoes rigorous inspection and testing for dimensional accuracy and material integrity before shipment.
• Warranty: We stand behind the quality of our products. This part comes with a standard warranty against manufacturing defects. Please contact us for specific warranty terms.

FAQ

Q: Will this 1W6539 plunger and barrel assembly fit my Caterpillar 3300B engine?
A: Yes, this part is specifically designed as a direct replacement for the Caterpillar 3300B diesel engine fuel injection pump. However, we always recommend checking your engine model and injection pump serial number to confirm compatibility with the 1W6539 part number.

Q: What is the installation procedure for this part?
A: Installation of the barrel and plunger assembly requires precision and should be performed by a qualified diesel mechanic. The components must be kept absolutely clean during installation. It involves careful insertion into the pump housing and proper adjustment of the fuel delivery timing. Improper installation can lead to poor engine performance or damage.

Q: How can I maximize the lifespan of this fuel injection component?
A: The lifespan of the barrel and plunger is heavily dependent on fuel quality. Always use clean, high-quality diesel fuel and replace your fuel filters at the recommended intervals. Contaminants in the fuel are the primary cause of wear. Regular maintenance of the entire fuel system, including the injection pump, will ensure long and reliable service from this part.

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 .