Product Overview

This high-quality A-type plunger, model A120 (OEM number 131152-0120 / 1311520120), is a critical component for diesel fuel injection systems. Designed for precision and durability, it serves as a direct replacement or repair part for various car and industrial diesel engines. Our components are manufactured in Shandong, China, and are exported globally to markets in North America, Europe, Asia-Pacific, the Middle East, and South America.

Key Features & Benefits

• High-Precision Engineering: Manufactured to standard OEM specifications (A120) for exact fitment and reliable fuel metering.
• Superior Durability: Constructed from high-grade alloy steel to withstand extreme pressures and wear within the fuel injection pump.
• Enhanced Engine Performance: Ensures optimal fuel atomization and injection timing, leading to improved combustion efficiency and reduced emissions.
• Stringent Quality Control: Undergoes rigorous testing for dimensional accuracy and surface finish before shipment.
• Cost-Effective Solution: Provides a reliable alternative to expensive OEM parts without compromising on performance.

Technical Specifications

OEM Cross-Reference

This plunger directly replaces the following original equipment manufacturer (OEM) numbers:

• Primary OEM Number: 131152-0120
• Alternative Number: 1311520120
• Model Reference: A120

Compatibility

This A120 plunger is designed for use in diesel fuel injection pumps, commonly found in:

• Engine Applications: Various car, agricultural, and industrial diesel engines requiring A-type plungers.
• Vehicle Fitment: Compatible with a wide range of diesel-powered vehicles and machinery using the standard A120 plunger specification.
• Note: Always verify the physical dimensions and application of your specific pump before purchase.

Global Supply & Distribution

We provide efficient worldwide shipping solutions for B2B buyers. Our logistics network ensures fast and reliable delivery to major industrial hubs and ports globally.

• Shipping Partners: DHL, FedEx, EMS, TNT, UPS, and sea freight for bulk orders.
• Delivery Time: 3-7 days for express shipping; transit time varies for sea freight.
• Major Markets Served: USA, UK, Germany, France, Australia, UAE, Saudi Arabia, South Africa, Brazil, and across Southeast Asia.
• Export Experience: We have extensive experience in international trade, ensuring proper documentation and customs clearance.

Quality Assurance

We are committed to delivering high-quality products that meet the demands of the aftermarket.

• Manufacturing Standards: Parts are produced under strict quality control processes in ISO-certified facilities.
• Testing: Each batch is tested for dimensional accuracy, surface hardness, and pressure resistance.
• Warranty: All products come with a standard 6-month warranty against manufacturing defects.
• Customer Service: We offer 24-hour customer service to address any technical or logistical inquiries.

FAQ

1. How do I verify if the A120 plunger (131152-0120) fits my injection pump?

First, confirm the model number on your current plunger or pump. The “A120” designation is a standard size. If your existing part is stamped with A120 or the OEM number 131152-0120, this part is a direct replacement. For safety, measure the diameter and length of your existing plunger to match the standard dimensions.

2. What is the installation process for a high-pressure plunger?

Installation requires specialized knowledge of fuel injection systems. Ensure the pump housing and all components are scrupulously clean. Lubricate the new plunger with clean diesel fuel or assembly oil before insertion. It is critical to follow the manufacturer’s service manual for your specific pump model to ensure correct timing and clearance settings. Improper installation can lead to pump failure or engine damage.

3. How can I maximize the lifespan of this plunger?

Use high-quality, clean diesel fuel and replace your fuel filters regularly. Contaminated fuel is the primary cause of plunger wear and scoring. Ensure the fuel injection pump is properly lubricated. Adhering to regular maintenance schedules and using the correct viscosity of fuel will significantly extend the service life of the plunger and the entire pump assembly.