AcornTech Intake Air Temperature (IAT) Sensor for Chrysler Dodge Jeep RAM — Direct Fit OE Replacement 5149182AB

AcornTech Intake Air Temperature (IAT) Sensor accurately measures intake air temperature to help your vehicle's engine control unit optimize air-fuel mixture and ignition timing.

This AcornTech replacement IAT sensor is designed for a wide range of Chrysler, Dodge, Jeep and RAM models and is built to match the fit and function of OE part numbers 5149182AA and 5149182AB. It reads the temperature of air entering the intake system and sends that signal to the engine control unit (ECU), allowing the vehicle to make adjustments for efficient combustion. The sensor is constructed to plug into the factory wiring harness and mount in the stock location for a straightforward installation.

Will this IAT sensor fit my vehicle?

The AcornTech sensor replaces several OE numbers and fits many model years across Chrysler, Dodge, Jeep and RAM lineups. Verify fitment against your vehicle's year, make, and model before ordering to ensure compatibility.

• Replaces OE part numbers: 5149182AA, 5149182AB, 7B0906501, AX243
• Commonly compatible models: Chrysler 200 (2011–2017), 300 (2014–2020), Town & Country (2011–2016)
• Dodge fitment: Avenger (2011–2014), Challenger (2013–2014), Charger (2011–2020), Durango (2011–2020), Grand Caravan (2011–2020), Journey (2011–2019)
• Jeep & RAM: Cherokee (2014–2020), Grand Cherokee (2011–2015), Wrangler (2012–2020), RAM 1500 (2013–2016), Promaster and Routan coverage listed

How is installation done and what tools are required?

Installation is typically straightforward and can be completed with basic hand tools. The sensor is designed to mount in the factory intake location and uses the original connector, so no cutting or splicing is usually necessary.

• Tools commonly needed: 8–10mm socket or wrench, screwdriver, and pliers for clips
• Steps: disconnect battery, unplug the electrical connector, remove the old sensor, install new sensor, reconnect harness
• Estimated time: 20–45 minutes depending on access and experience
• If unsure, consult a service manual or a professional technician for vehicle-specific guidance

What performance effects should I expect after replacement?

Replacing a faulty or aging IAT sensor restores accurate intake air temperature readings to the ECU, which supports stable idle, better fuel trim decisions, and consistent engine response. It does not alter engine power beyond restoring correct factory operation.

• Helps correct air-fuel mixture calculations for normal combustion behavior
• Can reduce drivability issues associated with incorrect temperature readings
• Supports proper ignition timing adjustments by the ECU
• Contributes to maintaining emissions controls within expected parameters

What warranty and support come with this AcornTech sensor?

AcornTech offers a short-term coverage plan to back this sensor, and customer support is available for fitment or installation questions. Review the provided fitment details before purchase and contact AcornTech if you need help confirming compatibility.

• Includes AcornTech 3-month coverage plan for customer assurance
• Support available for fitment verification and product questions
• Follow seller guidance for returns or replacements when required

Who this is for: The AcornTech Intake Air Temperature Sensor is intended for vehicle owners, independent mechanics, and repair shops replacing a faulty IAT on compatible Chrysler, Dodge, Jeep, or RAM vehicles. It's a practical, direct-fit option for anyone needing to restore reliable intake temperature readings without sourcing an OE part directly from the dealer.