SMP Coolant Temperature Sensor - Harley & Indian EFI V-Twin
About SMP
Standard Motor Products supplies ignition, sensor and electrical components across the automotive and powersports markets, with V-twin parts covering switches, sensors and ignition hardware.
The SMP Coolant Temperature Sensor is a vital component for V-twin motorcycles, including Harley-Davidson and Indian models equipped with EFI systems. It accurately reads coolant temperature, feeding this crucial data to the EFI module for proper fuel mapping and efficient cooling fan control.
Why riders pick this
- Monitors engine coolant temperature precisely
- Enables accurate EFI fuel mixture adjustments
- Triggers cooling fan at the correct threshold
- Direct replacement for stock component
- Designed for Harley-Davidson and Indian EFI V-twins
Accurate coolant temperature data is fundamental for the optimal performance and protection of your EFI V-twin engine. This SMP sensor ensures your bike's computer receives precise information, allowing it to adjust the fuel mixture for varying engine temperatures and activate the cooling fan exactly when needed. This leads to consistent engine operation, better fuel efficiency, and safeguards against overheating.
Reliable Engine Cooling Management
- OEM-quality EFI sensor for dependable performance
- Direct replacement for the stock coolant temp sender
- Compact threaded design for easy installation
- Ensures proper fuel mixture and cooling fan activation
Maintain Your V-Twin's Health
If your coolant temperature gauge is giving erratic readings, your cooling fan isn't activating correctly, or you're seeing check engine lights related to coolant temperature, a faulty sensor could be the culprit. Installing this SMP sensor, engineered to match OEM specifications, will restore accurate temperature monitoring, helping your Harley or Indian V-twin run smoothly and efficiently, just as it should.
Specifications
- Brand: SMP
- Manufacturer Part #: MCTS2
- UPC: 707390213743
- Length: 2.7 in
- Width: 3.9 in
- Height: 1.75 in
- Weight: 0.08 lbs
- Country of Origin: China (Mainland)
Common questions
What is the primary function of a coolant temperature sensor?
It monitors the engine coolant temperature and sends a signal to the EFI computer. This signal allows the computer to adjust the fuel mixture and activate the cooling fan at the appropriate temperature threshold, optimizing engine performance and preventing overheating.
Is this SMP sensor a direct replacement for the OEM sender?
Yes, this SMP coolant temperature sensor is engineered to match OEM specifications and is designed to bolt directly into the stock location on V-twin EFI motorcycles, making installation straightforward.
Will this coolant temperature sensor fit my Harley-Davidson or Indian Motorcycle?
This sensor is compatible with V-twin EFI motorcycles. To ensure precise fitment, we recommend verifying your specific bike uses a coolant temperature sender in the thermostat housing and checking our Shop by Bike tool.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | SMP |
| TYPE | Electrical |
| SKU | 275-01033 |
| WEIGHT | 0.08 lb |