Product Overview

This high-quality Fuel Injection Plunger Barrel Assembly (Part Numbers: 9083/503, 9 401 083 503, 9401083503) is a critical component for diesel engine fuel injection systems. Manufactured to OEM specifications, this plunger and barrel element ensures precise fuel metering and injection pressure for optimal engine performance. We are a leading supplier based in Shandong, China, providing global shipping and serving major markets including North America, Europe, Asia-Pacific, the Middle East, South America, and Africa. Our products are trusted by workshops, distributors, and fleet operators worldwide for replacement and repair applications.

Key Features & Benefits

• Precision Engineering: Manufactured to standard size specifications for a perfect fit and reliable operation in your fuel injection pump.
• Superior Durability: Constructed from high-quality hardened steel to withstand extreme pressures and temperatures, ensuring a long service life.
• Enhanced Performance: Restores engine power, improves fuel efficiency, and reduces emissions by ensuring accurate fuel delivery.
• Direct Replacement: Designed as a direct OE replacement part, simplifying installation and minimizing downtime for repairs.
• Rigorous Testing: Each unit undergoes strict quality control checks to ensure leak-proof performance and dimensional accuracy.

Technical Specifications

OEM Cross-Reference

This plunger and barrel assembly is a direct replacement for the following OEM part numbers:

• 9083/503
• 9 401 083 503
• 9401083503

Note: Please verify your existing part number against the list above to ensure correct fitment before ordering.

Compatibility

This component is designed for use in Diesel Engines equipped with mechanical fuel injection systems. It is typically used in:

• Agricultural Tractors & Combine Harvesters
• Construction Machinery (Excavators, Loaders)
• Industrial Diesel Generators
• Truck and Bus Engines
• Marine Diesel Engines

Note: This part is a universal component for many diesel engine brands. Please consult your engine’s service manual or compare with your original part for precise compatibility.

Global Supply & Distribution

We offer fast and reliable worldwide shipping for this fuel injection plunger. Our logistics network ensures timely delivery to major ports and industrial centers globally, including:

• North America: Los Angeles, Houston, New York, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Shanghai, Singapore, Sydney, Dubai
• Middle East & Africa: Jebel Ali, Durban, Lagos
• South America: Santos, Buenos Aires, Callao

With our export experience and international trade compliance, we ensure your order is processed efficiently and arrives safely.

Quality Assurance

All our plunger barrel assemblies are manufactured in ISO-certified facilities, adhering to strict international quality standards. Each piece is tested for:

• Dimensional Accuracy: Ensures perfect fit within the pump housing.
• Surface Finish: Guarantees low friction and long wear life.
• Hydraulic Testing: Verifies leak-proof performance under high pressure.

We back our product with a 4-month warranty against manufacturing defects, providing you with peace of mind for your repair or replacement project.

FAQ

Q1: How do I confirm this plunger barrel fits my engine?

To ensure correct fitment, please compare the part numbers (9083/503, 9 401 083 503, 9401083503) directly with the number stamped on your existing plunger or barrel. If your part number matches any of these, it is a direct replacement. If you are unsure, please contact our support team with your engine model and injection pump type for verification.

Q2: What is the proper installation procedure for this assembly?

Installation should be performed by a qualified diesel mechanic. Key steps include thoroughly cleaning the pump housing, lubricating the new plunger and barrel with clean diesel fuel, and carefully inserting the assembly without forcing it. Ensure the alignment mark (if present) is correctly positioned. Torque all retaining screws to manufacturer specifications. Incorrect installation can lead to pump failure or engine damage.

Q3: How should I store this plunger and barrel set before installation?

Store the part in its original packaging in a clean, dry environment away from moisture and dust. Do not remove the protective coating or oil until you are ready to install it. Avoid exposure to extreme temperatures. Proper storage prevents corrosion and ensures the component’s precision surfaces remain in perfect condition.