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Komatsu Temperature Pressure Sensor 6218-81-4111Product OverviewThis is a high-quality replacement Temperature Pressure Sensor specifically designed for Komatsu heavy equipment and engines.
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This is a high-quality replacement Temperature Pressure Sensor specifically designed for Komatsu heavy equipment and engines. It serves as a direct replacement for part numbers 6218-81-4111 and 6218814111, ensuring accurate readings essential for optimal engine performance and monitoring.
Part Number: 6218-81-4111, 6218814111
Part Name: Temperature Pressure Sensor
Compatibility: Komatsu Engines & Equipment (See Applicable Equipment below)
Function: Measures both temperature and pressure for engine management systems.
Condition: New Replacement Part
Direct Replacement: Engineered to meet or exceed OEM specifications for a perfect fit and function.
Reliable Performance: Provides accurate temperature and pressure data critical for engine monitoring and control.
Restore Efficiency: Replacing a faulty sensor helps restore engine performance, fuel efficiency, and prevents potential damage.
Durable Construction: Built with quality materials to withstand the harsh conditions of heavy-duty applications.
This sensor is compatible with various Komatsu engines and equipment, including but not limited to:
Komatsu SA12V140 Engine
Komatsu SA6D170E Engine
Komatsu SAA12V140E Engine
Komatsu SAA6D140E Engine
Komatsu SAA6D170E Engine
Komatsu SDA12V140E Engine
Komatsu PC1250-7 Loader (and potentially other models using these engines)
Komatsu engines like the SA12V140, SAA6D170E, etc., are commonly found in heavy machinery operating in demanding environments such as:
Mining Operations: Powering large excavators, loaders (like the PC1250-7), and haul trucks. Accurate temperature and pressure data is crucial for monitoring engine load and preventing overheating or oil pressure issues under extreme conditions.
Heavy Construction: Used in large dozers, excavators, and other earthmoving equipment. A faulty sensor can lead to incorrect fuel-air mixture control, reducing power and increasing emissions, or triggering false warning lights causing unnecessary downtime. Replacing the sensor ensures the engine management system receives correct data, allowing the machine to operate at peak efficiency and reliability on site.
Quarrying: Similar to mining, involving heavy-duty cycles and large loads. Precise sensor readings are vital for predictive maintenance and preventing unexpected failures that can halt operations.
Case Example: On a PC1250-7 loader in a quarry, an engine warning light illuminates intermittently, accompanied by a slight loss of power under heavy load. Diagnostics show an implausible reading from the temperature/pressure sensor. Replacing the old 6218-81-4111 sensor with a new one resolves the erratic readings, the warning light clears, and the engine regains full performance, preventing costly downtime.
Customers purchasing this sensor may also be interested in other related parts for their Komatsu engines and equipment, such as:
Other Engine Sensors (e.g., Speed Sensors, Oxygen Sensors)
Fuel Injectors
Filters (Oil, Fuel, Air)
Thermostats
Engine Gaskets and Seals
Check compatibility for your specific equipment model.
While replacing a sensor is often straightforward, consider these points:
Issue: Leaking after installation. Solution: Ensure the mating surface on the engine/component is clean and free of debris. Use a new washer or O-ring if required and torque the sensor to the manufacturer's specified value (consult your service manual). Do not overtighten.
Issue: Incorrect readings or error codes persist. Solution: Verify the electrical connector is clean, undamaged, and fully seated. Check the wiring harness for continuity and shorts. Sometimes, clearing old error codes from the ECM (Engine Control Module) after installation is necessary.
Issue: Damaged threads during removal or installation. Solution: Use appropriate tools and apply gentle, consistent force. Ensure the sensor is threaded in straight. If threads are damaged, repair may be required before installing the new sensor.
Always refer to your Komatsu equipment's service manual for specific procedures and torque values.
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