Product Overview

This high-quality A-type plunger, identified by model number A311 and OEM number 131154-6920 (also 1311546920), is a precision-engineered component designed for reliable replacement and repair in automotive fuel injection systems. Sourced from a trusted manufacturer in Shandong, China, this plunger is built to exacting standards and is available for global shipping. We serve major markets across North America, Europe, Asia-Pacific, the Middle East, and beyond, ensuring fast and dependable delivery to industrial centers and ports worldwide.

Key Features & Benefits

• High-Quality Construction: Manufactured from premium materials for exceptional durability and long service life in demanding engine environments.
• Precision Engineering: Designed to meet or exceed OEM specifications, ensuring a perfect fit and optimal performance in fuel injection systems.
• Standard Size Compatibility: This standard-size plunger is a direct replacement for many popular engine models, simplifying inventory management.
• Reliable Performance: Delivers consistent fuel pressure and flow, contributing to improved engine efficiency and reduced emissions.
• Proven Quality Assurance: Backed by a 6-month warranty and rigorous testing to ensure reliability in the field.

Technical Specifications

OEM Cross-Reference

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

• OEM Number: A311
• OEM Number: 131154-6920
• OEM Number: 1311546920

Note: This list is for reference. Please verify compatibility with your specific engine model before purchase.

Compatibility

This A-type plunger is designed for use in a wide range of automotive diesel engines, specifically within fuel injection systems. While it is generally suited for car engines, its application may extend to other diesel-powered equipment. For precise fitment, please cross-reference the part number A311, 131154-6920, or 1311546920 with your engine’s service manual.

Global Supply & Distribution

We offer worldwide shipping capabilities to meet the needs of international B2B buyers. Our logistics network ensures fast, reliable delivery to major ports and industrial centers, including but not limited to:

• North America: Los Angeles, Houston, New York, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Shanghai, Singapore, Tokyo, Sydney
• Middle East: Dubai, Jeddah, Doha
• Africa & South America: Key ports via major carriers

We have extensive export experience and comply with international trade regulations to ensure smooth customs clearance. Standard delivery time is 3-7 days via DHL, FedEx, EMS, TNT, or UPS.

Quality Assurance

Our plungers are manufactured under strict quality control standards in Shandong, China. Each unit undergoes rigorous testing to ensure it meets high-quality benchmarks for durability and performance. We back our product with a 6-month warranty against manufacturing defects, and our 24-hour customer service team is ready to assist with any inquiries.

FAQ

Q1: Is this plunger a direct fit for my engine?
A: This plunger (part numbers A311, 131154-6920, or 1311546920) is designed as a standard-size replacement for many fuel injection systems. To confirm fitment, we recommend comparing it with your original part or consulting your engine’s specifications.

Q2: What is the installation process for this high-pressure plunger?
A: Installation should be performed by a qualified mechanic. Ensure the fuel injection system is clean and free of debris. Carefully remove the old plunger and install the new one, following the manufacturer’s torque specifications. Proper lubrication during installation is recommended.

Q3: How do I maintain this plunger for long service life?
A: Use clean, high-quality diesel fuel and replace fuel filters regularly. Avoid running the engine with contaminated fuel or low fuel levels. If you notice performance issues like hard starting or reduced power, inspect the plunger and the entire fuel injection system for wear or damage.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .