FLIBEN Humidity Sensor for Chrysler 300, Pacifica, Ram 1500 — Part 55111389AF, Direct-Fit Plug-and-Play

FLIBEN 55111389AF is a direct-fit cabin humidity sensor designed to replace original equipment in select Chrysler, Dodge, Jeep and Ram models to restore accurate interior humidity detection and HVAC responsiveness.

This replacement humidity sensor from FLIBEN is engineered to meet factory fit and function for vehicles that list part number 55111389AF. It’s inspected and tested before shipping to give consistent performance, and it comes with straightforward fitment guidance so you can confirm compatibility with your model year. The component helps the vehicle’s climate controls interpret interior moisture levels so the HVAC system can respond appropriately.

How will this humidity sensor restore HVAC performance?

When the original sensor fails or drifts, the climate system may not detect humidity changes accurately, which can affect defogging and automatic climate routines. Installing a properly calibrated replacement like the FLIBEN 55111389AF returns reliable moisture readings so the system can adjust fan speed and temperature more precisely.

• Direct-replacement design for plug-and-play installation on compatible models.
• Pre-tested to ensure signal output matches expected ranges for factory controllers.
• Helps improve automatic defog and dehumidify behavior.

Which vehicles is this sensor compatible with and how do I check fit?

This unit replaces part number 55111389AF and fits a wide range of Chrysler, Dodge, Jeep and Ram vehicles from mid-2010s model years. Always verify the OEM part number on your existing sensor before ordering to ensure proper match and fitment.

• Common fits include Chrysler 200 (2015–2017) and 300 (2014–2019).
• Also compatible with Pacifica (2017–2020), Jeep Grand Cherokee (2016–2020) and Ram 1500 (2014–2019).
• Consult your vehicle’s parts label or service manual to confirm 55111389AF as the replacement number.

What should I expect during installation and maintenance?

The FLIBEN humidity sensor is built for straightforward replacement using factory connectors and mounting locations. Basic hand tools and a short amount of time are usually sufficient for removal and installation, while routine care is limited to ensuring the connector remains dry and secure.

• Plug-and-play connector fits original wiring harness—no splicing required.
• Install in the factory location; avoid contaminating the sensing element with liquids or solvents.
• If uncertain, a quick vehicle scan or professional installation will confirm correct operation post-install.

What warranty and support does FLIBEN provide?

FLIBEN inspects each sensor prior to shipment and offers a warranty-backed replacement or refund if you encounter issues within the warranty period. Their customer support can assist with fitment questions or arranging an exchange when necessary.

• Warranty covers manufacturing defects within the stated period.
• Support available via email for fitment confirmation and troubleshooting.
• Exchange or refund options provided if the part fails or doesn’t meet expectations.

Who is this for: This FLIBEN 55111389AF humidity sensor is intended for owners and technicians who need an OEM-style replacement for interior humidity detection in compatible Chrysler, Dodge, Jeep and Ram vehicles. It suits DIYers who can verify part numbers and perform simple component swaps, as well as shops restoring proper HVAC function and automatic climate control responsiveness in affected model years.