17003 Denso Coolant Temperature Sensor 179700-0050

Genuine Denso Coolant Temperature Sensor 179700-0050

Ensure accurate engine temperature monitoring and optimal engine management with the Denso Coolant Temperature Sensor 179700-0050 (SKU 17-003). This premium OEM-quality coolant temperature sensor is engineered by Denso to accurately measure engine coolant temperature and provide critical data to the engine control unit, ensuring correct fuel delivery, ignition timing, cooling fan operation, and engine protection. Designed for a wide range of vehicles including Holden VL Commodore, Kia Sportage, Mazda 626/MX5, Nissan 300ZX/Bluebird/Navara/Pathfinder/Patrol/Pulsar/Skyline, and Suzuki Swift, this sensor ensures dependable engine management system performance and long service life for your vehicle.

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Key Features & Benefits

• Genuine Denso Quality - OEM-grade component built to exacting standards
• Wide Multi-Brand Application - Fits Holden, Kia, Mazda, Nissan, Suzuki models
• Precise Temperature Measurement - Accurately measures engine coolant temperature
• Optimal Fuel Delivery - Ensures correct cold-start and warm-up enrichment
• Engine Protection - Triggers cooling fan and temperature warnings
• Accurate Ignition Timing - Enables temperature-based timing adjustments
• Better Fuel Economy - Precise temperature data optimizes fuel efficiency
• Reduced Emissions - Proper temperature monitoring reduces harmful emissions
• Reliable Operation - Consistent performance in all conditions
• Long Service Life - Durable construction for extended reliability

Technical Specifications

• Denso Part Number: 179700-0050 (1797000050)
• SKU: 17-003
• Component Type: Coolant Temperature Sensor (CTS / ECT Sensor)
• Primary Application: Holden, Kia, Mazda, Nissan, Suzuki vehicles
• Weight: 0.1 kg (approximate)

Vehicle Compatibility

This Denso coolant temperature sensor is compatible with the following models:

Holden:

• Holden VL Commodore

Kia:

• Kia Sportage

Mazda:

• Mazda 626
• Mazda MX5

Nissan:

• Nissan 300ZX
• Nissan Bluebird
• Nissan Navara
• Nissan Pathfinder
• Nissan Patrol
• Nissan Pulsar
• Nissan Skyline

Suzuki:

• Suzuki Swift

Always verify fitment for your specific vehicle, model year, and engine configuration.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

OEM Part Number Cross-Reference

This Denso coolant temperature sensor replaces the following OEM part numbers:

• 1797000050 (Denso)
• 1953327 (Holden/GM)
• 2263051E00 (Nissan)
• 2263051E02 (Nissan)
• 2263051E10 (Nissan)
• 22630D5900 (Nissan)
• 22630V5010 (Nissan)
• 0K01118-840 (Kia)
• 0K05418-84X (Kia)
• 0K95B18-840 (Kia)
• K857418-840 (Kia)
• CTS-003 / CTS003

Common Symptoms of Faulty Coolant Temperature Sensors

• Check engine light with coolant temperature sensor codes (P0115, P0116, P0117, P0118, P0119)
• Engine running rich (excessive fuel consumption)
• Black smoke from exhaust
• Hard starting when cold
• Engine overheating or cooling fan not activating
• Inaccurate temperature gauge reading
• Poor fuel economy
• Rough idle when cold
• Engine hesitation during warm-up

What Does a Coolant Temperature Sensor Do?

The coolant temperature sensor (CTS), also known as an engine coolant temperature (ECT) sensor, is a critical component of your vehicle's engine management system that monitors the temperature of the engine coolant. Typically mounted in the engine block, cylinder head, or coolant housing, the sensor uses a thermistor (a resistor that changes resistance with temperature) to generate a variable voltage signal that the engine control unit (ECU) interprets as coolant temperature. The ECU uses this real-time temperature data to adjust fuel injection quantity for cold-start enrichment, modify ignition timing based on engine temperature, control cooling fan activation, manage idle speed during warm-up, and trigger the temperature warning light if overheating is detected. A properly functioning coolant temperature sensor is essential for reliable cold starting, smooth warm-up, optimal fuel economy, and engine protection.

Why Choose Genuine Denso Coolant Temperature Sensors?

Genuine Denso coolant temperature sensors are designed to meet or exceed original equipment specifications, ensuring accurate temperature measurement, reliable operation, and long service life. As a world-leading automotive supplier and original equipment manufacturer for Nissan, Mazda, and other major automakers, Denso engine management components are built to exacting standards with precision engineering and quality materials. Using genuine Denso coolant temperature sensors ensures proper fitment, maintains your vehicle's engine management system integrity, and provides the reliability you need for worry-free driving.

Installation Notes

Professional installation is recommended for best results. Coolant temperature sensor replacement requires allowing the engine to cool completely, draining or containing coolant to prevent spillage, locating the sensor in the engine block or coolant housing, disconnecting the electrical connector, and carefully removing the old sensor. Apply thread sealant to the new sensor threads if required. Install the new sensor and torque to manufacturer specifications. Reconnect the electrical connector and top up coolant as required. Clear any diagnostic trouble codes and test drive to verify proper temperature gauge operation and engine management system performance.

Why Choose LM15 Motorsport?

We supply genuine Denso engine management components with fast shipping across Australia. Every coolant temperature sensor is carefully inspected to ensure you receive an authentic Denso component for reliable engine management system performance. Our team has extensive experience with Holden, Kia, Mazda, Nissan, and Suzuki vehicles and can provide expert advice on engine management system maintenance and troubleshooting.

Need help with fitment or installation? Contact our expert team for advice specific to your Holden VL Commodore, Kia Sportage, Mazda 626/MX5, Nissan 300ZX/Bluebird/Navara/Pathfinder/Patrol/Pulsar/Skyline, or Suzuki Swift coolant temperature sensor requirements.