Product Overview

This high-performance Fuel Injection Pump Plunger Element (Models A831, A740, A836, A822, A821) is a direct replacement component designed for precision fuel delivery in diesel engines. Manufactured from premium High-Speed Steel, this plunger element ensures exceptional durability and resistance to wear. Sourced from a leading Shandong, China manufacturer, we offer global shipping with fast 3-7 day delivery to major markets including North America, Europe, Asia-Pacific, and the Middle East. Ideal for B2B buyers requiring reliable, professional-tested parts for repair and replacement applications.

Key Features & Benefits

• Precision Engineering: 100% professionally tested to guarantee optimal fuel injection timing and pressure.
• Extended Durability: Constructed from High-Speed Steel for superior wear resistance and long service life.
• Direct Fitment: Exact OEM replacement for models A831, A740, A836, A822, and A821, ensuring seamless installation.
• Reliable Performance: Restores engine power and fuel efficiency by maintaining precise plunger-to-barrel clearance.
• Reliable Supply: MOQ of 6 pieces with flexible payment options (T/T, Western Union, PayPal) for convenient procurement.

Technical Specifications

OEM Cross-Reference

This plunger element directly replaces the following OEM part numbers:

• A831
• A740
• A836
• A822
• A821

Compatibility

Designed for use in diesel engines requiring a “P Series” pump plunger. Suitable for a wide range of diesel cars and light-duty commercial vehicles. For specific vehicle model fitment, please cross-reference your engine’s injection pump model with the provided OEM numbers (A831, A740, A836, A822, A821).

Global Supply & Distribution

We maintain a robust export operation, ensuring fast and reliable delivery to B2B clients worldwide. Our logistics network supports shipping to major ports and industrial centers across:

• North America: Los Angeles, Houston, New York, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Singapore, Shanghai, Tokyo, Sydney
• Middle East: Dubai, Jebel Ali, Dammam
• South America: Santos, Callao, Buenos Aires

We offer standard 3-7 day delivery for stocked items and provide full international trade compliance documentation.

Quality Assurance

Every plunger element undergoes a rigorous 100% professional testing process to verify dimensional accuracy, surface finish, and hydraulic performance. Our manufacturing adheres to strict quality control standards, ensuring each part meets OEM specifications. All products are backed by a 6-month warranty against manufacturing defects.

FAQ

Q: How do I verify if this plunger fits my injection pump?
A: Compare the part numbers (A831, A740, A836, A822, A821) on your existing plunger element. This is a direct replacement for those specific models. If your part number is not listed, please contact us with your pump model for cross-referencing.

Q: What is the recommended installation procedure?
A: Installation should be performed by a qualified diesel technician. The plunger must be handled with extreme care to avoid contamination. Ensure the pump barrel and plunger are clean and lubricated with clean diesel fuel before assembly. Incorrect installation can lead to pump seizure or performance issues.

Q: What maintenance is required for this plunger element?
A: The plunger element itself is a wear item with no user-serviceable parts. Its lifespan depends on fuel quality and engine operating conditions. Use of high-quality, clean diesel fuel and regular fuel filter changes will maximize the service life of the plunger and the entire injection pump.