Product Overview

This is a professional-grade, new fuel injection pump (Part Number: 3973228) specifically engineered for the Cummins 6LTAA9.3 diesel engine. As a critical component of the fuel delivery system, this pump ensures precise fuel metering and high-pressure injection for optimal engine performance and fuel efficiency. We offer worldwide shipping and serve major markets including North America, Europe, Southeast Asia, the Middle East, and Australia, providing reliable supply chain solutions for B2B buyers from small workshops to large fleet operators.

Key Features & Benefits

• Precision Engineering: Manufactured to meet or exceed OEM specifications (OE No. 3973228), ensuring a perfect fit and reliable function for your 6LTAA9.3 engine.
• 100% Professional Testing: Every unit undergoes rigorous performance, pressure, and leak tests to guarantee immediate, trouble-free operation upon installation.
• Enhanced Durability: Constructed from high-grade materials with a standard size design to withstand the high pressures and demanding conditions of heavy-duty diesel operation.
• Cost-Effective Solution: A high-quality replacement option that delivers OEM-level performance at a competitive price point, ideal for repair and replacement purposes.
• Ready to Ship: With a 3-7 day delivery window and low minimum order quantity (MOQ: 1 Pcs), we support both urgent repairs and bulk inventory stocking.

Technical Specifications

OEM Cross-Reference

This injection pump is a direct replacement for the following OEM part number:

• 3973228 (Cummins / Original Equipment Reference)

Compatibility

• Engine Model: Cummins 6LTAA9.3
• Vehicle Application: Heavy-duty diesel machinery, trucks, and industrial equipment powered by the 6LTAA9.3 engine.

Global Supply & Distribution

We are a dedicated supplier for the global aftermarket. Our logistics network ensures fast and reliable delivery to major industrial hubs worldwide, including ports in Los Angeles, Rotterdam, Dubai, Singapore, and Sydney. We handle export documentation and offer flexible shipping options (Express, Air, Sea) to meet your timeline. Whether you are in North America, Europe, Asia-Pacific, Africa, or the Middle East, we can fulfill your order efficiently.

Quality Assurance

• Manufacturing Standards: Produced in a professional facility in Shandong, China, with strict quality control processes.
• Testing: Each pump is 100% professionally tested for pressure and flow performance before packaging.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your investment.
• Packaging: Securely packed in neutral packaging to ensure safe transit.

FAQ

Q1: Is this pump a direct bolt-on replacement for my Cummins 6LTAA9.3 engine?
Yes, this pump (Part #3973228) is designed as a direct replacement for the 6LTAA9.3 engine. It matches the OEM specifications for mounting, inlet/outlet port sizes, and drive coupling. However, we always recommend verifying your existing pump’s part number and comparing it to our OE number 3973228 to ensure complete compatibility before purchase.

Q2: What is the typical installation procedure for this injection pump?
Installation should be performed by a qualified diesel technician. The process generally involves removing the old pump, ensuring the engine is at Top Dead Center (TDC), transferring the timing gear or coupling, and installing the new pump. It is critical to correctly time the pump to the engine and bleed the fuel system of air before starting. Failure to do so can cause engine damage.

Q3: How should I maintain this pump for optimal longevity?
To maximize the life of your new injection pump, always use clean, high-quality diesel fuel and replace your fuel filters according to the engine manufacturer’s schedule. Contaminated fuel is the primary cause of premature pump failure. Additionally, ensure the fuel supply line pressure is within the specified range for the 6LTAA9.3 engine to prevent cavitation or seal damage.