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  3. MAZDA L35G-18-840

MAZDA L35G-18-840 Engine Coolant Temperature Sensor

L35g-18-840 Mazda Genuine Engine Coolant Temperature Sensor

( Brand: Mazda ), ( Manufacturer Part Number: L35G-18-840 ), ( Part Type: Engine Sensor )

Review MAZDA Genuine Engine Coolant Temperature Sensor

Mazda L35G-18-840 Engine Coolant Temperature Sensor

The Mazda L35G-18-840 engine coolant temperature sensor is a vital component in the cooling system of your Mazda vehicle. This sensor is responsible for monitoring the engine coolant temperature and transmitting the information to the engine control unit (ECU). Based on this data, the ECU makes adjustments to various engine functions to ensure optimal performance and fuel efficiency.

This Mazda coolant temperature sensor is a thermistor type, which means it uses a temperature-sensitive resistor to generate a voltage signal proportional to the engine coolant temperature. The resistance of the thermistor changes with temperature, allowing the sensor to provide accurate and reliable temperature readings.

The L35G-18-840 sensor is designed to fit specifically in Mazda engines, ensuring a secure and precise connection to the coolant system. It features a compact and robust design, making it suitable for the harsh operating conditions found in modern engines. The sensor is also designed to be resistant to contaminants and corrosion, extending its service life and ensuring reliable operation.

Installation of the Mazda L35G-18-840 engine coolant temperature sensor is typically a straightforward process, although it may require some mechanical skills and tools. It is recommended to follow the instructions provided in your vehicle's service manual to ensure proper installation and connection to the ECU.

In summary, the Mazda L35G-18-840 engine coolant temperature sensor is an essential component in the cooling system of your Mazda vehicle. It monitors the engine coolant temperature and transmits the data to the ECU, allowing for optimal engine performance and fuel efficiency. With its compact, robust design and resistance to contaminants and corrosion, this sensor is a reliable choice for Mazda owners.

The Mazda L35g-18-840 engine coolant temperature sensor is an essential component of the engine cooling system. It monitors the engine's coolant temperature and sends the information to the engine control unit (ECU). Based on this data, the ECU adjusts the fuel injection, ignition timing, and other engine parameters to ensure optimal performance and emissions. Here are some pros and cons of buying this sensor.

Pros:

1. Improved Engine Performance: A faulty coolant temperature sensor can cause the engine to run rich or lean, leading to poor fuel efficiency and increased emissions. Replacing the sensor ensures that the engine is running at its optimal temperature and fuel mixture.

2. Enhanced Safety: The coolant temperature sensor plays a crucial role in the engine's warming up process. A faulty sensor can cause the engine to take longer to warm up, increasing the risk of cold starts and potential engine damage.

3. Diagnostic Capabilities: Replacing the coolant temperature sensor can help diagnose other engine issues. For instance, if the engine is overheating despite a normal coolant temperature reading, there might be a problem with the thermostat or the cooling system.

4. Relatively Inexpensive: The Mazda L35g-18-840 engine coolant temperature sensor is a relatively inexpensive part, making it an affordable repair option for Mazda owners.

Cons:

1. Labor Costs: While the sensor itself is not expensive, the labor costs of replacing it can be significant. It typically requires removing the intake manifold or the cooling system to access the sensor, adding to the overall cost.

2. Potential for Error Codes: Replacing the coolant temperature sensor might not always resolve the issue. In some cases, other sensors or components might be causing the error codes, leading to unnecessary replacement costs.

Conclusion:

The Mazda L35g-18-840 engine coolant temperature sensor is an essential part of the engine cooling system. While it is an affordable repair option, labor costs and potential diagnostic errors can add to the overall cost. If you're experiencing issues with your engine temperature, it's essential to have it diagnosed by a professional mechanic to determine if replacing the coolant temperature sensor is the best course of action.

Recommendation:

If you're experiencing engine temperature issues and suspect that the coolant temperature sensor might be the culprit, it's recommended to have it diagnosed by a professional mechanic. They can perform a thorough inspection and provide an accurate diagnosis and repair recommendation. In some cases, other components might be causing the issue, making it essential to have a professional assessment before making any repairs.

Details:

Output Type: Digital. Material: Brass. Manufacturer: Mazda. Genuine Mazda L35G-18-840 Engine Coolant Temperature Sensor: Brand.

Specific Uses For Product: Temperature. Is Discontinued By Manufacturer: No. Manufacturer Part Number: L35G-18-840. Genuine OEM Part.

Exterior: Machined. Mounting Type: Flange Mount. Style: Modern. Item model number: L35G-18-840.

Model: Temperature Sensor. Fit type: Vehicle Specific. Made in Japan. Upper Temperature Rating: 5E 2 Degrees Fahrenheit.

part #: l35g18840 prices

  • $24.00-$44.16

specifications secusammy:

  • brand: Mazda
  • mpn: L35g-18-840
  • part type: Engine Sensor

offer secusammy:

  • options: Ship-to-home
  • quantity: 2
  • sold: 0
  • started: August 18, 2025
  • availability: In Stock

general secusammy:

  • condition: New
  • Vehicle Electronics GPS > Car Alarms Security > Relays Sensors

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  • transit: 3-9 Days
  • service: Standard
  • type: Fixed
  • class: Standard
  • cost: $0.00

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seller secusammy:

  • rating: 100.0%
  • # reviews: 151
  • city: San Bernardino, CA
part type: engine sensor,
category: electronics > vehicle electronics gps > car alarms security > relays sensors, sku: 2521195894084753,

Mazda L35G-18-840 Is Similar To:

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5 offers $24.00–$44.16 USD
  • Offer #1: $24.00 price + $0.00 shipping estimate = $24.00* total. If you are getting Engine Code P0126, consider testing/replacing the temperature sensor.FREE SHIPPING
  • Offer #2: $25.00 price + $5.72 shipping estimate = $30.72* total. Never used Briefly installed until I realized it was the incorrect sensor.+$5.72 shipping
  • Offer #3: $44.16 price + $19.99 shipping estimate = $64.15* total.+$19.99 shipping
  • Offer #4: $154.00 price + $39.00 shipping estimate = $193.00* total. Parts Condition. Application: Coolant Temperature Sensor.+$39.00 shipping
  • Offer #5: $33.36 price + $6.25 shipping estimate = $39.61* total. Genuine Mazda Parts.+$6.25 shipping

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