Product Overview

This high-precision diesel engine plunger and barrel assembly, OEM number 6N7525, is a critical component for fuel injection systems in heavy-duty diesel engines. Manufactured in Shandong, China, this standard-size assembly is designed for direct replacement and repair. We provide global shipping solutions to major industrial hubs across North America, Europe, Asia-Pacific, and the Middle East, ensuring fast and reliable delivery for B2B partners worldwide.

Key Features & Benefits

• High-Speed Steel Construction: Manufactured from premium high-speed steel for exceptional wear resistance and long service life.
• Precision Engineering: Ensures accurate fuel metering and injection timing for optimal engine performance and fuel efficiency.
• Direct Replacement: Standard size (OEM 6N7525) allows for a straightforward swap with minimal downtime.
• Rigorous Testing: Each unit is tested for dimensional accuracy and hydraulic performance to meet strict quality standards.
• Cost-Effective Solution: A reliable, high-quality alternative to OEM parts, offering excellent value for fleet maintenance and repair shops.

Technical Specifications

OEM Cross-Reference

This plunger and barrel assembly directly replaces the following OEM part number:

• OEM 6N7525

Please verify your existing part number for compatibility. This is a direct cross-reference for the 6N7525 assembly.

Compatibility

This assembly is designed for diesel fuel injection pumps used in a wide range of heavy-duty applications, including:

• Engine Types: Diesel engines for trucks, construction equipment, and agricultural machinery.
• Vehicle Models: Common in various diesel truck and car engines requiring the 6N7525 plunger assembly.
• Fuel Systems: Inline and distributor-type fuel injection pumps.

Note: Please confirm fitment with your specific pump model and engine serial number before purchase.

Global Supply & Distribution

As a leading supplier from Shandong, China, we specialize in international B2B trade for diesel engine components. Our logistics network supports:

• Worldwide Shipping: Reliable courier and sea freight options to all major continents.
• Key Markets: North America, Europe, Southeast Asia, Middle East, Africa, and South America.
• Fast Delivery: Efficient processing and dispatch to major ports and industrial zones.
• Bulk Orders: MOQ of 48 pcs, with volume discounts available for container orders.

Quality Assurance

• Manufacturing Standards: Produced in a ISO-compliant facility with strict process control.
• Material Certification: Uses certified high-speed steel for durability.
• Warranty: 4-month warranty against manufacturing defects.
• Testing: Each assembly is individually tested for pressure and fitment before packaging.

FAQ

Q: Is this plunger and barrel assembly a direct replacement for the OEM 6N7525 part?
A: Yes, this assembly is manufactured to meet the exact specifications of the OEM 6N7525 part. It is a standard-size, direct replacement component for most diesel fuel injection pumps using this part number.

Q: What are the critical installation steps for this plunger assembly?
A: Installation requires meticulous cleanliness. Ensure the pump bore is free of debris and lubricated with clean diesel fuel. Do not force the plunger into the barrel. It should slide smoothly. Always replace the assembly as a matched set and follow your engine service manual for precise torque settings.

Q: How can I ensure this part is compatible with my specific engine?
A: Compatibility is determined by the fuel injection pump model, not just the engine. We recommend checking your pump’s manufacturer plate for the plunger size and part number. If you have the old 6N7525 part, this will be a direct fit. For any doubts, please contact our technical support with your pump model and engine serial number.