Product Overview

This high-precision Diesel Engine Plunger & Barrel Assembly (Part Numbers: 131152-3420, A161) is a critical component for the fuel injection system of Mitsubishi diesel engines. Manufactured to meet or exceed OE specifications, this plunger and barrel set ensures accurate fuel metering and optimal combustion efficiency. We supply this product globally, serving major aftermarket and repair markets across North America, Europe, Southeast Asia, the Middle East, and Africa. Our robust logistics network ensures fast and reliable shipping to industrial centers and ports worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured from high-speed steel for exceptional wear resistance and dimensional stability under high-pressure injection conditions.
• 100% Professional Tested: Every unit undergoes rigorous testing to guarantee leak-free performance and precise fuel delivery, ensuring engine reliability.
• Direct OE Replacement: Designed as a direct replacement for Mitsubishi part numbers 131152-3420 and A161, ensuring a perfect fit and seamless installation.
• Enhanced Engine Performance: Restores original fuel injection timing and pressure, leading to improved fuel economy, reduced emissions, and smoother engine operation.
• Reliable Supply: With a low MOQ of 48 pieces and fast dispatch within 3 days for in-stock items, we support both urgent repairs and bulk inventory needs.

Technical Specifications

OEM Cross-Reference

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

• 131152-3420
• A161
• Note: Always verify your existing part number for exact compatibility. This part is commonly used as a service replacement for original Mitsubishi fuel injection components.

Compatibility

This component is designed for use in Mitsubishi diesel engines found in various heavy-duty applications, including:

• Engine Models: Suitable for a range of Mitsubishi industrial and truck diesel engines utilizing the 131152-3420 / A161 injection pump configuration.
• Vehicle Applications: Diesel trucks, construction machinery, agricultural equipment, and marine engines equipped with compatible Mitsubishi fuel injection systems.
• Note: While primarily for Mitsubishi, this part may be compatible with other engine brands using the same pump platform. Please confirm with your pump model.

Global Supply & Distribution

We offer comprehensive worldwide shipping and supply solutions to meet the demands of international B2B clients:

• Shipping Methods: Fast express (DHL, FedEx, UPS), air freight, sea freight, and land transportation to suit your urgency and budget.
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Japan, Korea, Australia, Singapore), Middle East (UAE, Saudi Arabia), Africa (Nigeria, South Africa), and South America.
• Delivery to Ports: Efficient delivery to major industrial hubs and ports like Rotterdam, Shanghai, Dubai, Los Angeles, and Hamburg.
• Export Compliance: Experienced in international trade documentation and customs clearance for smooth transactions.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities in Shandong, China, adhering to strict quality control measures.
• Testing: Each plunger and barrel assembly undergoes 100% professional testing for dimensional accuracy, surface finish, and hydraulic performance before shipment.
• Warranty: Backed by a 4-month warranty against manufacturing defects, ensuring your investment is protected.
• Packaging: Available in Original, Neutral, or Our Own Brand packaging to suit your distribution preferences.

FAQ

Q1: How do I confirm this plunger and barrel assembly fits my injection pump?
A: Please verify the part number stamped on your existing plunger or barrel. This set is specifically for part numbers 131152-3420 and A161. If your part number matches, it is a direct fit. For non-matching numbers, please contact us with your engine and pump model for verification.

Q2: What is the installation procedure for this plunger and barrel set?
A: Installation requires professional knowledge of fuel injection systems. The work area must be extremely clean to prevent contamination. The plunger and barrel are a matched set and must be installed together. Lubricate with clean diesel fuel during assembly. We recommend installation by a qualified diesel technician to ensure proper timing and function.

Q3: How can I ensure a long service life from this component?
A: Longevity depends on fuel quality and system maintenance. Always use clean, high-quality diesel fuel and replace fuel filters regularly. Ensure the injection pump housing and fuel lines are free of debris before installation. Following the manufacturer’s recommended service intervals for the entire fuel system will maximize the life of the plunger and barrel assembly.