Product Overview

This premium K165 Plunger and Barrel Assembly is a critical component for diesel engine fuel injection systems, designed for reliable replacement and repair. Manufactured in Shandong, China, this high-quality element ensures precise fuel metering and injection pressure for optimal engine performance. We serve a global B2B clientele, with fast shipping to major industrial hubs across North America, Europe, Asia-Pacific, the Middle East, and South America.

Key Features & Benefits

• Precision Engineering: Constructed from high-speed steel for exceptional durability and wear resistance, ensuring a long service life.
• Optimized Performance: Designed to restore original engine power and fuel efficiency by delivering precise fuel injection timing and volume.
• Direct Replacement: A perfect fit for K165 fuel pump systems, simplifying the repair process for diesel truck and car engines.
• Rigorous Quality Control: Each unit is tested to meet high-quality standards, providing reliable operation under demanding conditions.
• Compact & Lightweight: With a weight of just 0.07kg, this assembly is easy to handle and install.

Technical Specifications

OEM Cross-Reference

This plunger and barrel assembly is designed to meet or exceed OEM specifications for the following reference number:

• OEM Number: K165
• Alternative Reference: K165 Fuel Pump Element

Compatibility

• Engine Type: Diesel truck and car engines.
• System: Compatible with mechanical fuel injection pumps using the K165 element standard.
• Application: Ideal for repair and replacement in heavy-duty and light-duty diesel vehicles requiring the K165 plunger and barrel set.

Global Supply & Distribution

• Worldwide Shipping: We offer reliable shipping to all major global markets, including North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.
• Fast Delivery: Efficient logistics to major ports and industrial centers, ensuring minimal downtime for your operations.
• Export Expertise: Experienced in international trade, with secure packaging (Neutral or WX Packing) and customs compliance.
• Bulk Orders: Competitive pricing for wholesale quantities (MOQ 48 pcs) with professional service and support.

Quality Assurance

• Manufacturing Standards: Produced in a facility in Shandong, China, with strict quality control processes.
• Material Integrity: Made from high-speed steel to withstand high pressure and temperature within the fuel injection system.
• Warranty: Backed by a 4-month warranty against manufacturing defects.
• Testing: Each assembly is inspected for dimensional accuracy and surface finish to guarantee a perfect seal and long service life.

FAQ

Q1: What is the exact function of the K165 plunger and barrel assembly in a diesel engine?

The plunger and barrel assembly is the core metering component of a diesel fuel injection pump. It pressurizes and precisely measures the amount of fuel delivered to the injector. The plunger’s rotation and vertical movement control the timing and volume of fuel injection, directly impacting engine power and efficiency.

Q2: How do I know if this K165 assembly is the correct replacement for my pump?

This assembly is specifically designed for fuel pumps that use the K165 element. You should verify the part number stamped on your existing plunger and barrel. If it matches “K165,” this is the correct direct replacement. Always check the physical dimensions (length and diameter) against your old part to ensure a perfect fit.

Q3: What is the recommended installation procedure and maintenance for this part?

Installation should be performed by a qualified diesel technician in a clean environment. The plunger and barrel are a matched set and must not be interchanged with other sets. Lubricate with clean diesel fuel during installation. After installation, the fuel injection pump must be re-calibrated on a test bench to ensure correct fuel delivery settings. Regular fuel filter changes are essential to prevent contamination and extend the life of the plunger and barrel.