Product Overview

This high-quality Lucas Plunger, model number 512506-65 (OEM: 51250665), is a critical component for fuel injection systems in car engines. Designed for direct replacement and repair, this standard-size plunger ensures optimal fuel delivery and engine performance. Sourced from a leading manufacturer in Shandong, China, we serve a global B2B clientele with reliable shipping to major markets in North America, Europe, Asia-Pacific, the Middle East, and South America.

Key Features & Benefits

• Precision Engineering: Manufactured to OEM specifications (512506-65 / 51250665) for a perfect fit and reliable operation in fuel injection pumps.
• Enhanced Durability: Constructed from high-quality materials to withstand high pressure and wear, extending the service life of your engine’s fuel system.
• Restored Performance: Effectively replaces worn or damaged plungers to restore fuel pressure, improve atomization, and enhance overall engine efficiency.
• Cost-Effective Solution: A reliable aftermarket alternative for repairing your injection pump without the high cost of a complete unit replacement.

Technical Specifications

OEM Cross-Reference

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

• OEM Number: 51250665
• Model Number: 512506-65

Compatibility

This plunger is designed for use in fuel injection pumps for a wide range of car engines. It is a standard replacement part for many diesel fuel injection systems. Please verify your existing part number (512506-65 or 51250665) for compatibility before purchase.

Global Supply & Distribution

We offer comprehensive global shipping solutions to support B2B operations worldwide. Our logistics network ensures fast and reliable delivery to major industrial centers and ports.

• Shipping Partners: DHL, FedEx, EMS, TNT, UPS
• Delivery Time: 3-7 business days after dispatch
• Major Markets Served: North America, Europe, Southeast Asia, Middle East, Africa, Oceania, and South America.
• Trade Compliance: Experienced in international export documentation and customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in a quality-controlled facility in Shandong, China, adhering to strict industry standards.
• Testing: Each plunger is inspected for dimensional accuracy and surface finish to ensure reliable performance.
• Warranty: Backed by a 3-month warranty against manufacturing defects.
• Customer Service: 24-hour customer service to address your inquiries and support your orders.

FAQ

Q: How do I confirm this plunger fits my injection pump?

A: Please check the model number printed on your existing plunger or your injection pump’s service manual. The key numbers to match are 512506-65 or 51250665. This is a standard size plunger for car engine fuel injection systems.

Q: What is the recommended installation procedure?

A: Installation should be performed by a qualified diesel mechanic. The plunger must be installed with extreme cleanliness to prevent contamination. Ensure the pump barrel is clean and lubricated with clean diesel fuel or assembly oil before insertion. Follow the manufacturer’s service manual for your specific pump model for torque specifications and timing procedures.

Q: How can I ensure a long service life for this plunger?

A: The longevity of the plunger depends heavily on fuel quality and filtration. Always use clean, high-quality diesel fuel and replace your fuel filters at the recommended intervals. Contaminants in the fuel are the primary cause of premature plunger wear. Regular maintenance of the entire fuel system is essential for maximum durability.