Product Overview

This high-quality A-type plunger, model A273 (OEM number 131154-3120 / 1311543120), is a precision-engineered component designed for reliable performance in diesel fuel injection systems. Manufactured in Shandong, China, this plunger meets rigorous standards for replacement and repair applications. We serve a global B2B clientele, with fast shipping to major markets including North America, Europe, Asia-Pacific, and the Middle East.

Key Features & Benefits

• High-Pressure Performance: Engineered to withstand extreme pressures within the fuel injection system, ensuring consistent fuel delivery and optimal engine combustion.
• Precision Fit: Manufactured to standard size specifications, this plunger is designed for direct replacement, minimizing installation time and ensuring a secure fit.
• Durable Construction: Built from high-quality materials for extended service life and resistance to wear, reducing the frequency of replacements and downtime.
• Reliable Operation: Rigorously tested to meet OEM performance standards, providing dependable operation for repair and maintenance applications.

Technical Specifications

OEM Cross-Reference

This product is a direct replacement for the following OEM part numbers:

• 131154-3120
• 1311543120
• A273

Compatibility

This high-pressure plunger is designed for use in standard car diesel engines. It is suitable for various fuel injection pump applications requiring an A-type plunger. For specific vehicle fitment, please cross-reference the OEM number (131154-3120 / A273) with your existing part.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a strong international presence. Our logistics network ensures efficient worldwide shipping to major ports and industrial centers. We serve a diverse range of markets, including:

• North America
• Europe (EU & UK)
• Asia-Pacific
• Middle East & Africa
• South America

Orders are processed with a fast delivery time of 3-7 days via DHL, FedEx, EMS, TNT, and UPS. We offer flexible payment terms including TT, PayPal, and Western Union to accommodate international transactions.

Quality Assurance

Each plunger is manufactured to high-quality standards in our facility in Shandong, China. We implement strict quality control procedures to ensure each component meets performance and durability requirements. This product is backed by a 6-month warranty against manufacturing defects, providing peace of mind for your repair and replacement needs.

FAQ

Q: Is this plunger a direct replacement for my existing part?

A: Yes, this is a standard-size A-type plunger. To confirm compatibility, please check the OEM part number on your current plunger. It should match 131154-3120, 1311543120, or A273. If you are unsure, please consult your engine’s service manual.

Q: What is the recommended installation procedure?

A: Installation should be performed by a qualified technician. The plunger must be installed with extreme cleanliness to prevent contamination of the fuel system. Ensure all sealing surfaces are clean and lubricate the plunger with clean diesel fuel or assembly oil before installation. Torque all components to the manufacturer’s specifications.

Q: How should I maintain this plunger for optimal performance?

A: The plunger is a wear item within the fuel injection pump. Its lifespan is dependent on fuel quality and operating conditions. Using clean, high-quality diesel fuel and replacing fuel filters regularly will maximize the service life of the plunger and the entire injection system.