Product Overview

This high-quality Ad-type plunger, model A740 (OEM 131153-6120 / 1311536120), is a precision-engineered component designed for reliable fuel injection in diesel engines. Sourced from a leading manufacturer in Shandong, China, this plunger meets stringent quality standards for B2B buyers worldwide. We serve markets across North America, Europe, Asia-Pacific, the Middle East, and South America, offering fast global shipping from stock.

Key Features & Benefits

• Precision Engineering: Manufactured to standard size specifications for a perfect fit and optimal fuel metering.
• High Durability: Constructed from premium materials to withstand high pressure and wear, extending service life.
• Direct Replacement: Designed for easy installation as a direct replacement for worn or failed plungers in fuel injection pumps.
• Consistent Performance: Ensures stable fuel delivery, improving engine efficiency and reducing emissions.
• Rigorous Testing: Each unit is quality-checked to guarantee reliable operation under demanding conditions.

Technical Specifications

OEM Cross-Reference

This plunger is a direct cross-reference for the following OEM numbers:

• 131153-6120
• 1311536120
• A740

If you have a specific OEM number not listed, please contact our support team for cross-verification.

Compatibility

This plunger is designed for use in fuel injection pumps fitted to various diesel engines, including those in automotive, agricultural, and industrial applications. While primarily for car engines, it is commonly used in:

• Diesel engine fuel injection systems requiring standard-size plungers.
• Replacement for pumps with OEM numbers 131153-6120 or A740.

Note: Always verify fitment with your engine model or pump assembly before purchase. Contact us for compatibility assistance.

Global Supply & Distribution

We offer efficient worldwide shipping to ensure your orders arrive on time, wherever you are located. Our logistics network supports:

• Shipping Partners: DHL, FedEx, EMS, TNT, UPS, and sea freight for bulk orders.
• Major Markets: North America, Europe, Asia-Pacific, Middle East, Africa, and South America.
• Fast Delivery: Typical transit time of 3-7 business days via express courier.
• Export Experience: We comply with international trade standards and offer flexible payment terms (TT, PayPal, Western Union).

Quality Assurance

Our plungers are manufactured in ISO-compliant facilities in Shandong, China, with a focus on precision and durability. Each batch undergoes dimensional and performance testing to ensure:

• Accurate surface finish and hardness.
• Leak-free operation under high pressure.
• Consistency across production runs.

We back our products with a 6-month warranty against manufacturing defects. Our 24-hour customer service team is ready to assist with any technical or order-related inquiries.

FAQ

1. How do I confirm this plunger fits my injection pump?

Check your existing plunger for the part number (A740 or 131153-6120). Measure the diameter and length to ensure it matches standard specifications. If uncertain, provide your pump model or engine serial number to our support team for verification.

2. What is the installation procedure for this plunger?

Installation should be performed by a qualified technician. Clean the pump housing thoroughly, lubricate the plunger with clean diesel fuel, and insert it carefully to avoid scoring. Torque to manufacturer specifications. Always replace related seals and gaskets for optimal performance.

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

Use high-quality, filtered diesel fuel and maintain your fuel system regularly. Replace fuel filters as recommended and avoid contamination during installation. If you notice rough idling or power loss, inspect the plunger for wear and replace it promptly to prevent pump damage.