EC210 Coolant Expansion Tank Sensor HD-3638 for Volvo Engine Parts

Product Details

Product Overview

This HD-3638 Coolant Expansion Tank Sensor is a precision-engineered component designed for use with specific Volvo diesel engine applications. Commonly associated with machinery utilizing the EC210 engine platform, this sensor plays a critical role in monitoring coolant levels and temperature within the expansion tank, ensuring optimal engine thermal management and preventing overheating.

Manufactured by, this sensor provides a reliable replacement solution for construction, industrial, and agricultural equipment. The part is designed to OEM size specifications, offering a direct fit for compatible Volvo engine systems. Please verify your existing part number and engine configuration to ensure correct fitment before purchase.

Key Features & Benefits

• Precise Monitoring: Accurately detects coolant level and temperature fluctuations to protect the engine from thermal stress.
• OEM Standard Dimensions: Manufactured to original equipment manufacturer size specifications for straightforward installation.
• Durable Construction: Built with robust materials suitable for heavy-duty diesel environments, including construction and industrial sites.
• Rigorous Testing: Each unit undergoes outgoing video inspection to verify electrical continuity and physical integrity.
• 6-Month Warranty: Backed by a standard warranty period, providing confidence for B2B buyers and fleet operators.
• Versatile Application: Compatible with a wide range of equipment types including excavators, generators, marine engines, and material handling machinery.

Technical Specifications

OEM Cross-Reference

This sensor is designed as a replacement for specific Volvo engine cooling system components. While the exact OEM part number may vary by application, the HD-3638 is manufactured to match the functional and dimensional specifications of common Volvo coolant level/temperature sensors. For cross-reference verification, compare the connector type, thread size, and mounting depth with your original sensor. Contact our technical support team with your machine’s serial number or original part number for confirmation.

Compatibility

This Coolant Expansion Tank Sensor is commonly used for Volvo diesel engines fitted with the EC210 control system. Typical applications include:

• Volvo EC210 series excavators
• Industrial diesel generator sets using Volvo power units
• Agricultural tractors and harvesters with Volvo engines
• Marine propulsion systems utilizing Volvo diesel platforms
• Material handling equipment (forklifts, loaders) with Volvo powertrains

Note: Fitment is application-specific. Always verify compatibility with your engine model and existing sensor configuration before ordering.

Global Supply & Distribution

We serve a global B2B customer base with efficient logistics to major industrial regions worldwide. Our distribution network covers:

• North America: Fast shipping to US and Canadian ports and distribution centers.
• Europe: Regular deliveries to EU industrial hubs including Germany, UK, Netherlands, and France.
• Asia-Pacific: Direct supply to Japan, South Korea, Australia, and Southeast Asian markets.
• Middle East & Africa: Reliable shipping to UAE, Saudi Arabia, South Africa, and key African ports.
• Latin America: Export services to Brazil, Chile, Argentina, and Mexico.

We maintain stock in Guangdong, China for rapid dispatch, and offer flexible shipping options including sea freight, air cargo, and express courier services. All international shipments comply with export regulations and include proper documentation for customs clearance.

Quality Assurance

Our manufacturing process adheres to strict quality control standards. Each HD-3638 sensor is subjected to outgoing video inspection to verify functional performance and physical integrity before packing. While this is a non-machinery component (electronic sensor), we follow ISO-compatible quality procedures in production and testing. The 6-month warranty covers manufacturing defects under normal operating conditions. For warranty claims, please retain proof of purchase and contact our after-sales support team.

FAQ

Q1: How do I confirm this sensor fits my Volvo engine?
A1: Compare the connector shape, pin configuration, and thread size with your original sensor. The HD-3638 is designed for EC210 engine management systems commonly used in Volvo applications. If possible, provide us with your engine serial number or the OEM part number from your existing sensor for cross-reference verification.

Q2: What are common signs of a failing coolant expansion tank sensor?
A2: Typical symptoms include erratic coolant temperature gauge readings, false low-coolant warnings on the dashboard, engine overheating without visible coolant loss, or a check engine light related to the cooling system. If you experience any of these issues, inspect the sensor connector for corrosion and test the sensor’s resistance values against manufacturer specifications.

Q3: Can this sensor be installed without draining the entire cooling system?
A3: In most applications, the expansion tank sensor can be replaced with minimal coolant loss. However, always consult your equipment’s service manual. Typically, you will lose only the coolant contained in the expansion tank. Ensure the engine is cool before removal, clean the mounting area, and use a new O-ring or seal (if applicable) to prevent leaks after installation.