Product Overview

This high-quality Pump Rotor Head, identified by OEM number 7139-235C and rotor number 858P 3/8L, is a critical component for diesel engine fuel injection systems. Designed for precise fuel metering and reliable performance, this head rotor is manufactured to meet or exceed original equipment specifications. We serve a global B2B clientele, ensuring fast and reliable shipping to major industrial markets in North America, Europe, Asia-Pacific, the Middle East, and South America. Ideal for maintenance, repair, and overhaul operations (MRO) in heavy machinery, agricultural equipment, and commercial vehicles.

Key Features & Benefits

• Precision Engineering: Manufactured to strict tolerances for accurate fuel delivery and improved engine efficiency.
• Durable Construction: Made from high-grade, wear-resistant materials to withstand high pressure and prolonged operation.
• Direct Replacement: Designed as a direct OE replacement for part number 7139-235C, ensuring a perfect fit and easy installation.
• Reliable Performance: Restores fuel injection pump function, reducing engine smoke, improving power output, and lowering fuel consumption.
• Rigorous Testing: Each unit undergoes quality checks to guarantee consistent performance and long service life.

Technical Specifications

OEM Cross-Reference

This head rotor is a direct cross-reference for the following OEM part numbers:

• Primary OE Number: 7139-235C
• Rotor Reference: 858P 3/8L

Compatibility

This component is designed for use in diesel engine fuel injection pumps. Common applications include:

• Industrial and agricultural diesel engines requiring fuel injection pump service.
• Replacement part for fuel injection pumps on various heavy-duty equipment.
• Compatible with pump systems that utilize the 7139-235C head rotor assembly.

Note: Fitment may vary by pump model. Please verify your existing part number before ordering.

Global Supply & Distribution

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

• Worldwide Shipping: Reliable delivery via sea, air, and express courier (DHL, FedEx, UPS, TNT).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France), Asia-Pacific (Australia, Japan, Singapore), Middle East (UAE, Saudi Arabia), and South America (Brazil, Chile).
• Fast Delivery: Efficient processing and dispatch to major ports and industrial hubs.
• Trade Compliance: Experienced in international export documentation and customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in a certified facility with strict quality control processes.
• Warranty: Backed by a 4-month warranty against manufacturing defects.
• Testing: Each rotor head is inspected for dimensional accuracy and material integrity before shipment.

FAQ

Q1: Is the 7139-235C head rotor a direct replacement for my existing pump part?
A: Yes, this part is designed as a direct OE replacement for the 7139-235C rotor. However, we strongly recommend verifying the rotor number on your existing part, specifically the “858P 3/8L” marking, to ensure 100% compatibility with your specific fuel injection pump model.

Q2: What is the recommended installation procedure for this rotor head?
A: Installation should be performed by a qualified diesel technician. It involves disassembling the fuel injection pump, carefully removing the old rotor, cleaning the mating surfaces, and installing the new rotor with proper torque specifications. Ensuring absolute cleanliness during installation is critical to prevent pump failure.

Q3: How can I ensure the long service life of this rotor head?
A: The longevity of the rotor head depends on several factors, including fuel quality, proper fuel filtration, and adherence to the pump’s service schedule. Using clean, high-quality diesel fuel and replacing fuel filters at recommended intervals will significantly extend the life of the rotor and the entire injection pump. Regular inspection during pump overhauls is also advised.