
The Hitachi Urea Unit / DEF Sensor Head (Part No. YA00083361) is a critical component in your machine’s SCR (Selective Catalytic Reduction) emissions system. Designed to monitor DEF levels, temperature, and quality, this sensor ensures your equipment meets emissions standards while maintaining peak performance.
Whether your current sensor is failing, triggering fault codes, or causing derates, this OEM‑spec replacement restores accurate DEF monitoring and reliable machine operation.
Key Features
• Direct OEM spec replacement for Hitachi machines requiring part number YA00083361.
• Accurate DEF level, temperature, and quality monitoring to prevent engine derates.
• Durable construction designed to withstand harsh jobsite conditions.
• Plug and play installation for quick, hassle free replacement.
• Fully sealed design protects internal electronics from DEF crystallization and contamination.