Description
Product Overview
The LeLecar LL-CGQ-3851 is engineered specifically for RV refrigeration systems, delivering precise temperature monitoring that is essential for preserving perishable goods during travel and stationary use. Constructed from high‑temperature‑resistant ceramic and sealed with a durable epoxy coating, the thermistor offers long‑term stability even under the vibration and temperature extremes typical of mobile environments. Its compact dimensions—6.81 x 4.72 x 0.39 inches—and lightweight design (0.8 ounces) allow it to fit seamlessly into the original mounting location without requiring any modifications to the surrounding wiring harness. The part number LL‑CGQ‑3851 aligns with the original equipment specifications, ensuring a perfect electrical match and eliminating the need for additional adapters or converters. With a best‑sellers rank of #66 in the Thermistors category, this component has earned a reputation for reliability among RV owners and professional service technicians alike.
![[Product front view showing all components]](https://www.pancakehub.store/wp-content/uploads/2026/07/d782dd003098489c9c504c8b5bb989d0.jpg)
Usage
Designed for a broad spectrum of RV refrigerator models—such as RM1350, RM2351, RM2354, RM2410, RM2620, RM2652, RM2852, RM2862, and RM3807—the thermistor integrates directly with the control board to provide real‑time temperature feedback. Whether the vehicle is parked at a campsite, traveling on highways, or stored in a garage, the sensor continuously monitors the internal environment of the cooling unit. This real‑time data enables the refrigerator’s control system to adjust compressor cycles, defrost cycles, and fan operation, thereby maintaining a consistent temperature range that prevents bacterial growth and extends the shelf life of food and beverages. The part is also suitable for use in marine refrigeration units and off‑grid solar‑powered coolers that share the same electrical architecture, making it a versatile solution for a variety of mobile cooling applications.
Why Choose Us
Choosing the LeLecar thermistor means selecting a component that combines rigorous quality control with a commitment to customer satisfaction. Each unit undergoes a multi‑stage testing process that includes thermal cycling, resistance verification, and moisture ingress protection, guaranteeing performance that meets or exceeds OEM standards. LeLecar’s dedicated support team provides technical assistance throughout the installation process, offering step‑by‑step guidance and troubleshooting resources to ensure a hassle‑free experience. In addition, the company backs the product with a 12‑month limited warranty, reflecting confidence in the durability and accuracy of the thermistor. For service professionals, the part’s universal compatibility reduces inventory complexity, while for end‑users, the straightforward plug‑in design minimizes downtime and eliminates the need for specialized tools.
Key Features
- High‑precision ceramic element delivers fast and accurate temperature response.
- Compact, lightweight design fits OEM mounting points without modification.
- Durable epoxy seal protects against moisture, vibration, and extreme temperatures.
- Direct‑fit replacement for multiple OE numbers simplifies inventory management.
- LeLecar customer support and 12‑month warranty provide peace of mind after purchase.
FAQ
What refrigerator models are compatible with this thermistor?
The LL‑CGQ‑3851 thermistor is compatible with a wide range of LeLecar RM series refrigerators, including but not limited to RM1350, RM2351, RM2354, RM2410, RM2620, RM2652, RM2852, RM2862, and RM3807.
How do I know if the thermistor needs replacement?
Typical signs of a failing thermistor include erratic temperature readings on the control panel, frequent compressor cycling, or a complete loss of cooling. If you notice any of these symptoms, inspecting the thermistor for physical damage or testing its resistance with a multimeter is recommended.
Can I install the thermistor myself?
Yes. The thermistor is a plug‑in component that requires no soldering. Simply disconnect power, remove the old sensor, and insert the new LL‑CGQ‑3851 into the same connector. Reconnect power and verify operation through the refrigerator’s diagnostic mode.
What warranty does LeLecar provide for this part?
LeLecar offers a 12‑month limited warranty covering defects in materials and workmanship. If the thermistor fails within the warranty period under normal use, LeLecar will replace it at no additional cost.
Is this thermistor suitable for marine refrigeration units?
Yes. The thermistor’s robust construction and resistance to moisture make it suitable for marine applications that share the same electrical specifications as the listed RV refrigerator models.




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