20903933

The GMC Part Number 20903933 is a power inverter control module designed for the GMC Acadia SUVs manufactured between 2011 and 2014. This crucial component enables the vehicle's electrical system to convert DC (Direct Current) power from the battery to AC (Alternating Current) power required for operating various accessories such as televisions, laptop chargers, and other electrical devices while the vehicle is not running or the engine is off.

The control module is a compact, yet robust unit, typically mounted near the vehicle's battery. It features advanced electronic circuits and microcontrollers that ensure efficient and reliable power conversion. The module is designed to regulate the inverter output voltage and frequency to maintain optimal performance, even under heavy load conditions.

This control module is essential for those who frequently use electrical appliances or need to keep their devices charged on the go. It offers the convenience of having a power source in the vehicle without the need to rely on the engine. Additionally, it can provide an emergency power supply during power outages or other situations where a reliable power source is necessary.

The module includes various safety features to protect the vehicle's electrical system, as well as the connected devices. These safety features include overload protection, short-circuit protection, and thermal protection. In case of any malfunction, the control module also includes diagnostic capabilities that can help identify the issue for easy troubleshooting.

In summary, the GMC Part Number 20903933 is a vital power inverter control module that enables the use of electrical appliances and devices in the GMC Acadia SUVs manufactured between 2011 and 2014. It offers efficient and reliable power conversion, safety features, and diagnostic capabilities, making it an indispensable addition for those who require a power source on the go.

The GMC Acadia Power Inverter Control Module, specifically part number 20903933, is an essential component for operating the inverter system in certain models of the Acadia. This module enables the vehicle's electrical system to manage the power inverter, which converts DC (direct current) battery power to AC (alternating current) for use by electrical accessories such as air conditioning and heating. Here are some pros and cons of buying this control module.

1. Improved Functionality: The power inverter control module ensures optimal performance of the AC system in your GMC Acadia. This can lead to more comfortable conditions inside the vehicle, particularly during prolonged use of the AC or heating.

2. Enhanced Convenience: With this control module, you can easily switch between various power modes, such as engine-powered, battery-powered, or a combination of both. This versatility can be particularly useful for off-roading or camping adventures.

3. Increased Safety: The power inverter control module helps regulate the electrical current flow to the AC system, minimizing the risk of electrical malfunctions or overloads.

4. Cost-Effective: Replacing the control module may be a more cost-effective solution compared to purchasing a new AC system or other major components.

1. Installation Complexity: Installing the power inverter control module may require professional assistance, as it involves connecting various electrical components and wiring.

2. Part Availability: Depending on the specific model year and availability, it may take some time to locate and purchase the correct control module.

3. Potential Compatibility Issues: Ensure that the control module is compatible with your specific model and year of the GMC Acadia to avoid any potential issues.

4. Cost: While replacing the control module may be more cost-effective than purchasing a new AC system, the cost can still be significant, especially if professional installation is required.

In conclusion, the GMC Acadia Power Inverter Control Module (20903933) can provide improved functionality, enhanced convenience, increased safety, and cost savings for your vehicle. However, it comes with the complexity of installation, potential compatibility issues, and a significant cost. If your AC system is not functioning properly and you've determined that the control module is the issue, the benefits may outweigh the costs. If you're unsure, it's recommended to consult with a professional mechanic for advice before making a decision.

Details:

Express shipping could be arranged, just let us know. Otherwise a $150 fee may apply.

specifications perfoelectric:

• for models: Acadia
• for years: 2011–2014
• brand: Gmc
• mpn: 20903933
• part type: Control Inverter Module
• performance part: Yes

shipping perfoelectric:

• class: standard, expedited, one-day
• transit: 4-9 days
• service: usps ground advantage, fedex 2day, ups next day air
• type: calculated
• carrier: usps, fedex, ups

returns perfoelectric:

• paid by: seller
• policy: returns accepted
• time: 30 days

payments perfoelectric:

• credit card: diners-club
• wallet: apple-pay
• other

seller perfoelectric:

• city: englishtown, new jersey
• rating: 99.5%
• # reviews: 6203

general perfoelectric:

• category: Auto Parts > Electrical Components

offer perfoelectric:

• in stock #: 5
• options: ship-to-home
• best offers: true
• prices: $31.49–$65.00
• item condition: Used
• started: february 22, 2026
• sold #: 10
• availability: in stock

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