Product Overview

This high-quality Diesel Injector Pump Plunger & Barrel Assembly, identified by part numbers 134151-4820 and P128, is a critical component for maintaining precise fuel delivery in diesel engines. Manufactured in Shandong, China, this replacement part is designed for professional repair and maintenance applications. We serve a global B2B clientele, with reliable shipping to major industrial markets across North America, Europe, Asia-Pacific, the Middle East, and South America. Our supply chain ensures fast fulfillment, with delivery within 3 days for in-stock items.

Key Features & Benefits

• High-Speed Steel Construction: Crafted from durable high-speed steel for exceptional wear resistance and longevity in high-pressure fuel injection systems.
• 100% Professional Tested: Each plunger and barrel assembly undergoes rigorous testing to ensure precise metering and reliable performance.
• Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and seamless replacement, restoring engine efficiency.
• Cost-Effective Solution: A premium aftermarket alternative to OEM parts, offering significant cost savings without compromising on quality.
• Ready for Global Shipment: Packed securely for export via express, air, or sea to meet urgent project timelines.

Technical Specifications

OEM Cross-Reference

This Fuel Injection Pump Plunger & Barrel Assembly directly replaces the following OEM and reference numbers:

• 134151-4820
• P128
• P218

Compatibility

This plunger and barrel assembly (P128) is a common replacement component used in a variety of diesel fuel injection pumps. It is designed for use in agricultural, construction, and industrial diesel engines requiring this specific element size. For exact fitment verification, please cross-reference your existing part number with 134151-4820 or P218.

Global Supply & Distribution

We are a dedicated supplier with extensive export experience to the global B2B market. Our logistics network supports fast and reliable delivery to major industrial ports and centers worldwide, including:

• North America: Los Angeles, Houston, New York, Toronto
• Europe: Rotterdam, Hamburg, Felixstowe, Antwerp
• Asia-Pacific: Singapore, Shanghai, Tokyo, Sydney
• Middle East & Africa: Dubai, Jeddah, Durban, Lagos
• South America: Santos, Buenos Aires, Callao

We offer flexible shipping options including fast express (DHL, FedEx, UPS), air freight, and sea freight to meet your delivery schedule and budget.

Quality Assurance

Our manufacturing process adheres to strict quality control standards. Every plunger and barrel assembly is 100% professionally tested before shipment to guarantee dimensional accuracy, surface finish, and pressure integrity. We back our product with a 4-month warranty against manufacturing defects, ensuring your peace of mind.

FAQ

Q1: How do I confirm that this P128 plunger and barrel assembly will fit my injection pump?
A: Please compare your current part’s physical dimensions and markings with our specifications. The primary cross-reference numbers are 134151-4820 and P218. If your pump uses these numbers, this assembly is the correct replacement. If unsure, please contact us with your pump model and current part number for verification.

Q2: What is the recommended installation procedure for this plunger and barrel?
A: Installation should be performed by a qualified diesel technician in a clean environment. Ensure the pump housing is free of debris. Lubricate the new plunger with clean diesel fuel before insertion. Do not force the assembly; it should slide in smoothly. Proper torque specifications for the retaining hardware must be followed to prevent damage or leakage.

Q3: How should I store this component before installation?
A: Store the plunger and barrel assembly in its original packaging in a dry, clean, and temperature-controlled environment. Avoid exposure to moisture, dust, or extreme temperatures. Do not remove the protective coating until immediately before installation to prevent corrosion and contamination.