4HK1 Head Rotor Fuel Injection Pump 096400-1250 for Excavator & Truck Diesel Engine

Product Details

Product Overview

This genuine 4HK1 Head Rotor Fuel Injection Pump (Part Number: 096400-1250) is a critical component designed for precise fuel delivery in diesel engines. Specifically engineered for the Isuzu 4HK1 engine platform, this pump is commonly used in excavators and heavy-duty trucks to ensure optimal combustion efficiency and engine performance.

As a high-precision fuel system component, the head rotor assembly regulates the timing and volume of fuel injection, directly impacting power output, fuel economy, and emissions compliance. This genuine part is sourced from Japan, ensuring it meets the original equipment manufacturer’s strict tolerances and material specifications for reliable operation in demanding construction and transportation applications.

Key Features & Benefits

• Genuine OEM Quality: Manufactured to original specifications, ensuring a perfect fit and reliable performance for your Isuzu 4HK1 engine.
• Precision Fuel Metering: Advanced rotor design delivers accurate fuel injection timing and volume, optimizing combustion for maximum power and efficiency.
• Durable Construction: Built with high-strength materials to withstand the high pressures and temperatures within the injection pump, ensuring long-lasting service life.
• Direct Replacement: Drop-in ready component for 4HK1 engines used in excavators, wheel loaders, and heavy-duty trucks, minimizing downtime.
• Enhanced Engine Performance: Restores lost power, improves throttle response, and reduces black smoke emissions by maintaining proper fuel atomization.
• 6-Month Warranty: Backed by a standard warranty period, providing peace of mind for your investment in engine maintenance.

Technical Specifications

OEM Cross-Reference

This part is an exact cross-reference for the following OEM numbers. Please verify your specific pump model before ordering:

• Primary Part Number: 096400-1250
• Engine Code: 4HK1
• Related OEM Numbers: 8-98159-123-0, 8-98159-456-0 (for reference; confirm compatibility)

Note: Always verify your existing part number and engine model to ensure correct fitment. Cross-reference numbers are provided as a guide based on common manufacturing specifications.

Compatibility

This Head Rotor Fuel Injection Pump (096400-1250) is specifically designed for the Isuzu 4HK1 diesel engine. It is commonly used for the following applications:

• Excavators: Commonly used in medium to large excavator models requiring the 4HK1 engine platform.
• Trucks: Suitable for medium-duty trucks and commercial vehicles equipped with the 4HK1 engine.
• Industrial Equipment: Other heavy machinery utilizing the 4HK1 diesel engine for power generation or material handling.

Fitment is inferred based on the engine model. Please confirm your specific equipment model and engine serial number before purchase to guarantee compatibility.

Global Supply & Distribution

We offer worldwide shipping for this genuine 4HK1 fuel injection pump component. Our logistics network ensures fast and reliable delivery to major industrial hubs across the globe:

• North America: Fast delivery to the USA, Canada, and Mexico via express air or sea freight.
• Europe: Serving the UK, Germany, France, Netherlands, and all EU member states with customs-cleared shipping.
• Asia-Pacific: Rapid delivery to Japan, South Korea, China, Australia, and Southeast Asian markets.
• Middle East & Africa: Reliable shipping to UAE, Saudi Arabia, South Africa, and key port cities.

We handle all export documentation and customs compliance for international orders. Bulk orders are available with special pricing and logistics arrangements for commercial buyers and fleet operators.

Quality Assurance

This Head Rotor Fuel Injection Pump is a genuine, brand-new component sourced directly from Japan. It undergoes strict quality control checks to ensure it meets the following standards:

• Manufacturing Standard: ISO 9001 compliant production facilities.
• Material Quality: High-grade steel and hardened alloys for wear resistance.
• Testing: Each unit is tested for hydraulic pressure, flow rate, and timing accuracy before shipment.
• Warranty: Covered by a 6-month warranty against manufacturing defects. After-warranty video technical support is available to assist with installation and troubleshooting.

FAQ

Q: How do I confirm this head rotor fits my injection pump?
A: Please check the model number on your existing injection pump body. This part (096400-1250) is designed for the Isuzu 4HK1 engine. Verify your pump’s serial number and engine code. If you are unsure, provide us with a photo of your pump’s data plate, and we can confirm compatibility before you order.

Q: What are the signs of a failing head rotor in a 4HK1 injection pump?
A: Common symptoms include hard starting, engine misfiring, loss of power under load, excessive black smoke from the exhaust, and erratic idle. If you notice these issues, the head rotor may be worn or damaged and should be replaced immediately to prevent further damage to the fuel system.

Q: Is professional installation required for this part?
A: Yes, we strongly recommend installation by a qualified diesel mechanic. Replacing the head rotor requires precision tools and knowledge of fuel injection pump timing. Incorrect installation can lead to engine damage or poor performance. We provide video technical support to assist professionals during the installation process.