Product Overview

This premium diesel fuel injection pump head rotor, model 9050-931K, is a critical component for maintaining the performance and efficiency of your excavator’s fuel system. Designed for high-pressure fuel delivery, this part ensures precise injection timing and optimal engine combustion. As a specialized B2B supplier based in Shandong, China, we offer global shipping to major industrial markets including North America, Europe, Asia-Pacific, the Middle East, and South America. Our inventory is ready for fast dispatch, catering to heavy equipment repair shops, dealerships, and parts distributors worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to stringent OEM specifications for exact fitment and reliable performance in demanding excavator diesel engines.
• Enhanced Durability: Constructed from high-grade materials to withstand the extreme pressures and temperatures within the fuel injection system, ensuring a long service life.
• Improved Fuel Efficiency: Promotes optimal fuel atomization and injection pressure, leading to reduced fuel consumption and lower operational costs.
• Direct Replacement: Designed as a drop-in replacement for the original part, minimizing downtime for repair and maintenance teams.

Technical Specifications

OEM Cross-Reference

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

• Primary OEM: 9050-931K
• Alternative Reference: 044K (Note: Please verify specific pump series compatibility)

Compatibility

This head rotor is designed for use in diesel fuel injection pumps commonly found in various excavator and heavy machinery models. It is specifically associated with the 4/7L pump series. For exact fitment, please cross-reference your existing pump’s model number (e.g., 044K) with this part. Common applications include engines used in construction and earthmoving equipment.

Global Supply & Distribution

We provide a reliable global supply chain with fast and secure shipping options. Our logistics network ensures timely delivery to major ports and industrial hubs worldwide.

• Shipping Partners: DHL, TNT, UPS, EMS, FEDEX.
• Delivery Time: 3-7 Working Days for in-stock items.
• Major Markets: North America (USA, Canada, Mexico), Europe (Germany, France, UK, Netherlands), Asia-Pacific (Australia, Japan, South Korea), Middle East (UAE, Saudi Arabia), and South America (Brazil, Chile).
• Export Experience: We are experienced in international trade, ensuring all customs documentation and compliance requirements are met for smooth cross-border transactions.

Quality Assurance

Every head rotor undergoes rigorous quality control checks to ensure it meets high performance and reliability standards. Our manufacturing process adheres to strict industry guidelines.

• Standards: Manufactured to meet or exceed OEM quality benchmarks.
• Testing: Parts are inspected for dimensional accuracy, material integrity, and hydraulic performance.
• Warranty: We offer a 3-6 month warranty against manufacturing defects, backed by our 24-hour customer service team.

FAQ

Q1: How do I confirm this head rotor (9050-931K) is compatible with my fuel injection pump?

Please check the model number on your existing pump’s data plate. This rotor is designed for pumps in the 4/7L series, often with the ‘044K’ designation. If your pump housing is stamped with 9050-931K or falls under that series, it is a direct match. If unsure, please provide a photo of your pump’s identification tag to our sales team for verification.

Q2: What are the key installation tips for this head rotor?

Installation should be performed by a qualified diesel technician. Ensure the pump housing and all mating surfaces are meticulously clean. Lubricate the rotor with clean diesel fuel or assembly lubricant before insertion. Use a new gasket or O-ring set when reassembling the pump. Follow the manufacturer’s torque specifications for any retaining screws or nuts.

Q3: What is the typical lifespan of this head rotor under normal operating conditions?

The lifespan depends on fuel quality, maintenance schedules, and operating environment. Under standard conditions with clean, high-quality diesel fuel and regular filter changes, a high-quality head rotor like this one can last for several thousand hours of operation. Using contaminated fuel or neglecting fuel filter changes will significantly reduce its service life.