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  3. CELOX DC2912SR108RS

CELOX DC2912SR108RS Radiator Thermal Switch Heat Sensor 03-06/ 27010-S025

fits model: Kfx400, Ksf400. make: Kawasaki.

Dc2912sr108rs Celox Radiator Thermal Switch Heat Sensor For Kawasaki Kfx400 Ksf400 03-06/ 27010-s025

( Brand: Celox ), ( Manufacturer Part Number: DC2912SR108RS ), ( Type: Sensor ), ( Warranty: 90 Day ), ( California Prop 65 Warning: Proposition 65 Warning For California Consumers. )

Review CELOX Radiator Thermal Switch Heat Sensor Kawasaki 03-06/ fits KFX400 KSF400

The **Celox DC2912SR108RS Radiator Thermal Switch/Heat Sensor** is a precision-engineered component designed specifically for Kawasaki KFX400 and KSF400 off-road motorcycles produced between the model years 2003 and 2006, corresponding to the original equipment part number **27010-S025**. This high-performance thermal switch serves as a critical safety and operational sensor within the engine s cooling system, ensuring optimal radiator function by monitoring coolant temperature and triggering the cooling fan when necessary. Crafted from durable, corrosion-resistant materials, this switch is built to withstand the demanding conditions of off-road and rugged terrain use, where exposure to dust, moisture, and extreme temperatures is common. The DC2912SR108RS features a robust, sealed construction with a reliable bimetallic sensing element that accurately detects temperature fluctuations, providing consistent and dependable performance over extended periods. Its compact yet sturdy design allows for seamless integration into the motorcycle s cooling system, maintaining the integrity of the radiator s operation without compromising on precision. Whether used for maintenance, replacement, or upgrading an existing system, this thermal switch ensures that the engine remains within safe operating temperatures, preventing overheating and prolonging the lifespan of critical components. Ideal for both professional mechanics and enthusiasts seeking genuine, high-quality aftermarket parts, the Celox DC2912SR108RS exemplifies reliability and performance, making it an essential component for any Kawasaki KFX400 or KSF400 owner looking to maintain peak mechanical efficiency.

The Celox DC2912SR108RS radiator thermal switch (part number 27010-S025) is designed as a replacement for the stock thermal switch on Kawasaki KFX400/KEF400 models from 2003 2006. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Celox DC2912SR108RS Radiator Thermal Switch**

1. **Compatibility and Fitment**

The Celox switch is specifically engineered as a direct replacement for the OEM thermal switch on the mentioned Kawasaki models. It mounts in the same location, uses the same wiring harness connectors, and follows the same electrical specifications, ensuring a straightforward installation without modifications.

2. **Reliability and Durability**

Celox is a well-regarded brand in the aftermarket parts industry, known for producing high-quality, long-lasting components. The DC2912SR108RS is designed to withstand the thermal and mechanical stresses of motorcycle operation, reducing the likelihood of premature failure compared to cheaper or generic alternatives.

3. **Consistent Performance**

The switch is calibrated to match the OEM specifications, meaning it will engage and disengage the cooling fan at the correct temperature thresholds. This ensures optimal engine cooling without unnecessary fan cycling, which can strain the electrical system or cause discomfort during rides.

4. **Easy Installation**

The Celox switch is designed for simplicity. It requires no special tools beyond basic motorcycle maintenance equipment, and the installation process typically takes less than 30 minutes for a mechanic or experienced rider. The switch includes the necessary mounting hardware, and the wiring connectors are designed to be plug-and-play.

5. **Cost-Effective Upgrade**

While not necessarily an "upgrade" in terms of performance, it is a cost-effective solution for replacing a faulty or worn-out OEM switch. The price is reasonable compared to OEM replacements, which can be more expensive and harder to source.

6. **Wider Availability**

Celox parts are widely available through online retailers, motorcycle parts stores, and specialty aftermarket suppliers. This makes it easier to purchase than OEM parts, which may require ordering directly from Kawasaki or a dealer.

7. **Compatibility with Aftermarket Cooling Systems**

If you have modified your cooling system (e.g., upgraded radiator, added a heat exchanger, or adjusted fan placement), the Celox switch s consistent performance helps ensure the cooling system operates as intended without unexpected behavior.

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### **Cons of the Celox DC2912SR108RS Radiator Thermal Switch**

1. **Limited Customization**

The Celox switch is not adjustable, meaning you cannot alter the temperature threshold at which the fan engages or disengages. If you prefer a different fan cycling behavior (e.g., engaging at a lower temperature for better cooling or higher for quieter operation), this switch will not accommodate those preferences.

2. **Potential for Incompatibility with Heavy Modifications**

While the switch itself is compatible with the stock setup, if you have made significant modifications to your bike s cooling system (e.g., a drastically different radiator or custom fan setup), the original thermal switch s calibration might not align perfectly with the new system s requirements. In such cases, you may need to pair it with a more advanced solution like a programmable fan controller.

3. **Quality Variability in Aftermarket Parts**

While Celox is a reputable brand, there is always a risk of receiving a counterfeit or lower-quality part, especially when purchasing from third-party sellers. To mitigate this, always buy from authorized dealers or well-reviewed suppliers and verify the product s authenticity.

4. **No Additional Features**

Unlike some aftermarket switches or fan controllers, the Celox DC2912SR108RS does not offer features such as delayed engagement, adjustable thresholds, or diagnostic capabilities. If you want these features, you would need to invest in a more advanced system.

5. **Warranty Limitations**

Celox parts typically come with a limited warranty (often 12 24 months), which may not cover all potential failure modes or installation errors. OEM parts, while more expensive, often come with longer warranties backed by the manufacturer.

6. **Potential for Misalignment During Installation**

If not installed correctly, the switch could be misaligned or improperly secured, leading to false triggers or mechanical stress. This risk is mitigated by following the installation instructions carefully, but it is still a consideration for DIYers.

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### **Conclusion**

The Celox DC2912SR108RS radiator thermal switch is a reliable, straightforward, and cost-effective replacement for the OEM switch on Kawasaki KFX400/KEF400 models from 2003 2006. It excels in compatibility, ease of installation, and durability, making it an ideal choice for riders who prioritize simplicity and dependability. However, it lacks customization options and may not be the best fit for heavily modified bikes or those seeking advanced cooling control features.

For most riders who simply need a direct replacement for a failing switch or want to avoid the hassle of sourcing OEM parts, the Celox switch is an excellent choice. If you have a custom cooling setup or desire adjustable fan control, you may need to supplement it with additional components like a fan controller.

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### **Recommendation**

**Buy the Celox DC2912SR108RS if:**

- You need a direct, no-fuss replacement for your stock thermal switch.

- You want a reliable, high-quality part that matches OEM specifications.

- You are not planning significant cooling system modifications.

- You prefer a simple solution over advanced customization.

**Consider alternatives if:**

- You have modified your cooling system significantly and need a switch that better matches the new setup.

- You want adjustable fan cycling or additional features (e.g., delayed engagement, diagnostic lights).

- You are concerned about the switch s calibration not aligning perfectly with your bike s specific conditions.

**Final Verdict:**

For the average rider looking for a hassle-free replacement, the Celox DC2912SR108RS is a **highly recommended choice**. It strikes a balance between quality, affordability, and ease of use, making it one of the best aftermarket options for this application. Always purchase from a trusted supplier to ensure authenticity and quality.

Details:

LT-Z400 Quad Sport 2003 -2008. LT-Z400Z Quad Sport 2003 -2008. For Arctic Cat model's. Premium Quality Replacement Part, Radiator Thermal Switch Sensor.

KFX400 KSF400 2003 2006 A1/A2/A3/A6F. 400 DVX 2004 -2008. For Suzuki model's. For Kawasaki model's.

specifications electricacompone:

  • for models: Kfx400, Ksf400
  • for makes: Kawasaki
  • brand: Celox
  • mpn: Dc2912sr108rs
  • type: Sensor
  • warranty: 90 Day
  • california prop 65 warning: Proposition 65 Warning For California Consumers.

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  • policy: Returns Accepted

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seller electricacompone:

  • # reviews: 364
  • rating: 99.5%
  • city: Beaumont, Texas

offer electricacompone:

  • sold: 0
  • started: February 8, 2026
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  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1

general electricacompone:

  • ATV, Side-by-Side UTV Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components
  • condition: New
for models: kfx400, ksf400, for makes: kawasaki, type: sensor, warranty: 90 day, california prop 65 warning: proposition 65 warning for california consumers.,
category: atv parts > atv, side-by-side utv parts accessories > electrical ignition components, sku: 23429345219295983,
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