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Product Details
Product Overview
This high-precision Crankshaft Sensor (Part Number: 238-0120) is a critical component designed for a range of popular Caterpillar (Cat) diesel engines, including the C4.4, C6.6, C7.1, and the 320D excavator model. As a direct replacement for the OEM part 238-0120, this sensor provides accurate engine speed and position data to the ECU, ensuring optimal fuel injection timing and overall engine performance.
Manufactured to meet OEM size and fit specifications, this sensor is essential for maintaining the reliability and efficiency of heavy machinery. Whether you are servicing a Cat 320D excavator or a generator set powered by a C-series engine, this crankshaft position sensor offers a reliable, cost-effective solution for your engine parts needs.
Key Features & Benefits
OEM Equivalent Fitment: Manufactured to the exact OEM specifications (Part 238-0120), ensuring a direct, bolt-on replacement without modifications.
Enhanced Engine Control: Provides precise crankshaft position and RPM data to the engine control unit (ECU) for accurate fuel injection and ignition timing.
Durable Construction: Built to withstand the harsh operating environments of construction, mining, and agricultural machinery, resisting vibration, heat, and oil contamination.
Improved Fuel Efficiency: Accurate sensor data helps maintain the ideal air-fuel ratio, reducing fuel consumption and lowering emissions.
Quick Installation: Designed as a direct swap for the original sensor, minimizing machine downtime and labor costs.
Rigorous Quality Control: Each sensor undergoes pre-shipment testing to verify signal output and resistance values, ensuring reliable operation upon installation.
Technical Specifications
Specification
Details
Part Number
238-0120
Product Type
Crankshaft Position Sensor
Engine Type
Diesel
Compatible Engines
C4.4, C6.6, C7.1, 320D
Material
High-Grade Plastic & Metal (OEM Size)
Weight
1 kg (approx.)
Warranty
6 Months
Place of Origin
Guangdong, China
Packing
Plastic Bag, Box, Carton
OEM Cross-Reference
This sensor is a direct replacement for the following OEM part numbers:
OEM Number: 238-0120
Note: Always verify your engine’s specific part number before ordering. This sensor is designed to match the form, fit, and function of the original Caterpillar 238-0120 component.
Compatibility
This crankshaft sensor is commonly used for the following Caterpillar machinery and engine models:
Engine Models: Cat C4.4, C6.6, C7.1
Excavators: Cat 320D, 320D L
Other Applications: Forklift, Bulldozer, Bus, Truck, Loader, and Generator Sets powered by these specific C-series engines.
Disclaimer: This is an aftermarket replacement part. Compatibility is based on common OEM specifications. Please confirm fitment with your machine’s serial number or parts manual.
Global Supply & Distribution
As a leading supplier based in Guangdong, China, we specialize in the export of high-quality heavy machinery parts. Our logistics network ensures fast and reliable shipping to major global markets, including:
North America: Fast delivery to ports in the USA, Canada, and Mexico.
Europe: Efficient shipping to Rotterdam, Hamburg, and other key European hubs.
Asia-Pacific: Quick transit to Singapore, Japan, Australia, and Southeast Asia.
Middle East & Africa: Reliable service to Dubai, Saudi Arabia, South Africa, and Nigeria.
South America: Regular shipments to Brazil, Chile, and Argentina.
We offer flexible shipping options (Express, Air, Sea) and can handle customs clearance documentation for most international destinations.
Quality Assurance
Every Crankshaft Sensor 238-0120 is manufactured in ISO-certified facilities using quality materials. Our quality control process includes:
Video Outgoing Inspection: Available upon request to verify product condition before shipment.
Machinery Test Report: Provided to confirm the sensor’s electrical output meets OEM specifications.
6-Month Warranty: We stand behind the durability and performance of our parts. This warranty covers manufacturing defects.
Rigorous Pre-shipment Testing: Each unit is tested for resistance, signal strength, and physical integrity.
FAQ
Q: How can I confirm if this 238-0120 sensor is compatible with my engine? A: To ensure fitment, please check your existing sensor’s part number. It should match “238-0120”. You can also verify by your engine model (e.g., C4.4, C6.6, C7.1) or machine model (e.g., Cat 320D). If you are unsure, please provide your engine serial number to our sales team for cross-verification.
Q: What are the common symptoms of a failing crankshaft sensor? A: Typical symptoms include the engine cranking but not starting, intermittent stalling, rough idling, a sudden loss of power, or the Check Engine Light illuminating. A faulty sensor disrupts the ECU’s ability to time fuel injection correctly.
Q: Is installation difficult, and do I need special tools? A: Installation is generally straightforward and can be performed with basic hand tools. The sensor is typically located near the crankshaft pulley or flywheel housing. We recommend disconnecting the battery before installation and applying a small amount of dielectric grease to the connector to prevent corrosion. Always consult your machine’s service manual for the specific procedure and torque specifications.
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