Product Overview

This high-performance Diesel Pump Head Rotor is a critical component for fuel injection systems in heavy-duty diesel engines. Designed for precision replacement and repair, this part (Model 7139-92Y) ensures optimal fuel delivery and engine efficiency. Sourced from a leading manufacturer in Shandong, China, we serve a global network of B2B clients, including major markets in North America, Europe, Southeast Asia, and the Middle East. Our inventory supports fast, reliable shipping to industrial hubs and ports worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to standard size specifications for a direct, hassle-free replacement, ensuring a perfect fit with the 91Y rotor assembly.
• Durable Construction: Built from high-quality materials to withstand the extreme pressures and temperatures of modern diesel fuel injection systems, extending service life.
• Enhanced Performance: Designed for high-performance output, this rotor helps restore original engine power, improve fuel economy, and reduce emissions.
• Reliable Supply: With a low Minimum Order Quantity (MOQ) of 6 pieces, we cater to both small workshops and large fleet maintenance operations.
• Professional Support: Backed by a 4-month warranty and expert technical service to assist with fitment and performance inquiries.

Technical Specifications

OEM Cross-Reference

This pump head rotor is a direct replacement for the following OEM and reference numbers:

• Primary OEM: 7139-92Y
• Rotor Assembly: 91Y (Compatible with 6/10R configurations)

Note: This part is designed to match the specifications of the original 7139-92Y and 91Y rotor systems. Please verify your existing part number to ensure compatibility.

Compatibility

• Engine Type: Diesel Engines
• System: Fuel Injection Pump Assembly
• Application: Suitable for various heavy-duty diesel engines requiring the 7139-92Y / 91Y rotor configuration.
• Vehicle Models: Compatible with diesel engine models that utilize this specific pump head rotor design.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a robust global logistics network. Our capabilities include:

• Worldwide Shipping: We ship to all major continents, including North America, Europe, Asia-Pacific, South America, Africa, and the Middle East.
• Fast Delivery: Efficient processing and shipping to major ports (e.g., Shanghai, Qingdao) and industrial centers.
• Export Expertise: Experienced in international trade, customs documentation, and compliance with global trade regulations.
• Flexible Packaging: Neutral and branded packing options available to meet your distribution requirements.

Quality Assurance

• Manufacturing Standards: Produced in a certified facility in Shandong, China, adhering to strict quality control processes for fuel injection components.
• Testing: Each head rotor is inspected for dimensional accuracy and performance integrity before shipment.
• Warranty: All units come with a standard 4-month warranty against manufacturing defects, ensuring peace of mind for your operations.

FAQ

Q1: What is the difference between the 7139-92Y and the 91Y rotor?

The 7139-92Y is the main part number for the complete head rotor assembly. The “91Y” refers to the specific rotor model within that assembly, and “6/10R” indicates the plunger configuration (6 plungers, 10mm). This product is supplied as a complete unit matching these specifications.

Q2: Is this part a direct fit for my diesel engine pump?

This head rotor is designed as a standard-size replacement for fuel injection pumps using the 7139-92Y and 91Y rotor systems. We recommend checking your current pump’s model number and rotor configuration to ensure a perfect match. If you are unsure, please contact our team with your engine and pump details for verification.

Q3: How should I handle installation and maintenance of this pump head rotor?

Installation should be performed by a qualified diesel mechanic. Ensure the pump housing and all mating surfaces are meticulously clean before installation. Use new seals and lubricate with clean diesel fuel during assembly. After installation, the pump must be properly timed and calibrated on a test bench to ensure correct fuel delivery and engine performance.