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Product Details
Product Overview
This high-quality HD-4331 Solenoid Valve (12V) is a critical component designed for diesel engine fuel and hydraulic control systems. Identified by the OEM reference number 1A021-60017, this part is specifically engineered for compatibility with select Toyota diesel engine models commonly found in heavy machinery.
As a direct replacement for the original equipment, this solenoid valve ensures reliable actuation for starting circuits, fuel shut-off, or hydraulic pilot control. It is a common service part for excavators, bulldozers, and other heavy construction equipment. Please verify your existing part number (HD-4331 or 1A021-60017) to confirm fitment for your specific engine application.
Key Features & Benefits
Precise OEM Fitment: Manufactured to OEM size and specifications (1A021-60017) for a direct bolt-on replacement, minimizing installation downtime.
Reliable 12V Operation: Designed for standard 12-volt electrical systems, ensuring consistent performance in starting and control circuits.
Durable Construction: Built to withstand the high vibration and harsh operating conditions of heavy-duty diesel engines.
Cost-Effective Solution: Offers the lowest price advantage for a high-demand service part without compromising on quality.
Comprehensive Testing: Each unit undergoes outgoing inspection, and a machinery test report is provided to validate performance.
Global Compatibility: Suitable for a wide range of equipment including excavators, bulldozers, forklifts, loaders, trucks, and buses using compatible Toyota engines.
Technical Specifications
Specification
Details
Part Number
HD-4331 / 1A021-60017
Type
Solenoid Valve
Voltage
12V DC
Engine Type
Diesel
Weight
1 kg
Size
OEM Standard Size
Place of Origin
Guangdong, China
Warranty
6 Months
Inspection
Video Outgoing & Machinery Test Report Provided
OEM Cross-Reference
This solenoid valve replaces the following original equipment manufacturer (OEM) part numbers:
Primary OEM: 1A021-60017
Model Reference: HD-4331
Note: This is an aftermarket replacement part. While it matches the OEM specifications, it is not manufactured by the original vehicle brand.
Compatibility
This solenoid valve is commonly used for the following applications. Please confirm your specific engine model and part number before purchase.
Engine Models: Compatible with specific Toyota diesel engine variants requiring the 1A021-60017 solenoid.
Vehicle Applications:
Excavators
Bulldozers
Forklifts
Loaders
Trucks
Buses
Global Supply & Distribution
Based in Guangdong, China, we are a specialized supplier of heavy machinery engine parts. Our supply chain is optimized for global reach, ensuring fast and reliable delivery to customers worldwide.
We regularly export to major industrial markets including North America, Europe, Southeast Asia, the Middle East, and Africa. We offer flexible shipping options via sea, air, or express courier to major ports and industrial centers. Our team is experienced in international trade documentation and customs clearance to ensure a smooth purchasing experience for B2B buyers.
Quality Assurance
We are committed to providing high-quality aftermarket parts that meet or exceed OEM standards. Our quality assurance process includes:
Manufacturing Standards: Parts are produced using precision tooling and quality materials.
Testing: Each batch undergoes functional testing. A Machinery Test Report is available upon request to verify performance parameters.
Inspection:Video Outgoing Inspection can be provided to confirm the exact product before shipment.
Warranty: All parts come with a standard 6-month warranty against manufacturing defects.
FAQ
Q: How can I confirm this solenoid valve fits my engine? A: Please compare your existing part number to the numbers listed (HD-4331 or 1A021-60017). This valve is designed for 12V systems. If your machine uses a 24V system, this part will not be compatible. We recommend checking the physical mounting flange and connector type against your old part.
Q: Is this an OEM Toyota part or an aftermarket replacement? A: This is a high-quality aftermarket replacement part produced by. It is manufactured to match the exact size and specifications of the original Toyota part (1A021-60017) but is not made by Toyota. It offers a cost-effective alternative to the expensive OEM part.
Q: What is the typical installation procedure for this solenoid valve? A: Installation typically involves disconnecting the battery, removing the old valve, cleaning the mounting surface, installing the new valve with the correct gasket or O-ring (if applicable), and reconnecting the electrical connector. Always consult your equipment’s service manual for specific torque specifications and safety procedures. Ensure the engine is off and cool before starting work.
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