Excavator Engine Fuel Pump Suction Control Valve 8-98145484-1 294200-4750 294200-2750 for 4HK1

Product Details

Product Overview

This genuine suction control valve (SCV) is a critical fuel system component designed for Isuzu 4HK1 diesel engines commonly used in excavators and heavy-duty trucks. The unit is identified by the primary part number 8-98145484-1 (also listed as 8981454841) and cross-references to OEM numbers 294200-4750 and 294200-2750.

As a precision-engineered fuel metering device, this SCV regulates the flow of fuel into the high-pressure pump, ensuring optimal combustion efficiency and engine performance. The component is manufactured to genuine OEM specifications, offering direct fitment for applications requiring these specific part numbers. While primarily designed for excavator and truck applications with 4HK1 engines, buyers should verify compatibility with their specific equipment model and serial number before purchase.

Key Features & Benefits

• Genuine OEM Quality: Manufactured to original equipment specifications, ensuring exact fitment and reliable performance in demanding excavator and truck applications.
• Precise Fuel Control: Advanced electromagnetic actuation provides accurate fuel metering to the high-pressure pump, improving combustion efficiency and reducing emissions.
• Durable Construction: Built with high-grade materials to withstand the extreme pressures and temperatures common in modern common-rail diesel systems.
• Direct Replacement: Designed as a direct swap for failed or worn SCV units, minimizing downtime during repairs and maintenance.
• 6-Month Warranty: Backed by a six-month warranty period, providing confidence in the product’s longevity and performance under normal operating conditions.
• Cross-Reference Compatibility: Compatible with multiple OEM part numbers (8-98145484-1, 294200-4750, 294200-2750), simplifying inventory management for workshops and parts distributors.
• Video Technical Support: Expert technical assistance available via video support to aid with installation troubleshooting and system diagnostics.

Technical Specifications

OEM Cross-Reference

This suction control valve is designed to directly replace the following OEM part numbers. Please confirm your existing part number before ordering to ensure compatibility:

• Primary Part Number: 8-98145484-1 / 8981454841
• Alternate OEM Numbers: 294200-4750, 294200-2750

These numbers are commonly found on Isuzu 4HK1 fuel injection pumps. If your part number does not match exactly, please contact our technical support team with your engine serial number or pump model for cross-verification.

Compatibility

This suction control valve is commonly used for the following applications. Fitment is inferred based on common OEM specifications; always verify with your equipment manufacturer:

• Engine Models: Isuzu 4HK1 (Common Rail Diesel)
• Vehicle/Equipment Applications: Excavators, heavy-duty trucks, and industrial machinery equipped with 4HK1 engines

Note: This part is not a universal component. It is specifically designed for fuel systems using the referenced OEM part numbers. For non-standard applications, professional installation and system diagnosis are recommended.

Global Supply & Distribution

We offer worldwide shipping capabilities to serve the global B2B market for heavy equipment and diesel engine parts. Our distribution network covers major markets including:

• North America: Fast delivery to major ports (Los Angeles, Houston, New York) and industrial centers (Chicago, Dallas, Atlanta)
• Europe: Efficient shipping to Rotterdam, Hamburg, Antwerp, and key logistics hubs in Germany, France, and the UK
• Asia-Pacific: Direct service to Singapore, Shanghai, Tokyo, and major Australian ports (Sydney, Melbourne)
• Middle East & Africa: Reliable delivery to Dubai, Jeddah, and Johannesburg
• Latin America: Shipping to Santos, Callao, and other key industrial ports

With extensive export experience and compliance with international trade regulations, we ensure smooth customs clearance and documentation for all shipments. Bulk orders and consolidated shipping options are available for volume buyers and distributors.

Quality Assurance

This suction control valve is sourced from the original manufacturing supply chain, ensuring it meets the stringent quality standards required for modern common-rail diesel systems. Key quality assurances include:

• Manufacturing Standards: Produced under ISO-compliant facilities with rigorous quality control procedures
• Testing: Each unit undergoes functional testing for electromagnetic response, fuel flow characteristics, and pressure tolerance before shipment
• Warranty: Backed by a 6-month warranty against manufacturing defects under normal operating conditions
• Technical Support: Post-warranty service includes video technical support to assist with installation and troubleshooting

We recommend professional installation by a qualified diesel technician to ensure proper system calibration and avoid damage to the fuel system.

FAQ

Q1: How do I confirm this SCV is compatible with my excavator?
A: Check your existing suction control valve for the part number stamped on the body. If it matches 8-98145484-1, 294200-4750, or 294200-2750, this unit is a direct replacement. For Isuzu 4HK1 engines, you may also verify the fuel injection pump model number. If you are unsure, contact us with your engine serial number or pump manufacturer details for cross-verification.

Q2: What are the symptoms of a failing suction control valve?
A: Common failure symptoms include engine hesitation or surging at idle, difficulty starting, reduced power output, increased fuel consumption, and the illumination of the check engine light with fuel system-related error codes (e.g., P0087, P0088, P0191). A faulty SCV can also cause erratic fuel rail pressure readings. Immediate replacement is recommended to prevent damage to the high-pressure fuel pump and injectors.

Q3: Can I install this SCV myself, or should I use a professional?
A: While the physical replacement of the SCV is straightforward (typically involves removing two bolts and disconnecting the electrical connector), we strongly recommend professional installation. The fuel system must be properly depressurized before removal, and the new valve may require calibration or coding using a diagnostic scanner to match the engine’s fuel map. Improper installation can lead to fuel system damage or poor engine performance.