DORMAN 65IW674 Hvac Control Module

( Brand: Dorman ), ( Manufacturer Part Number: 65IW674 ), ( Part Type: Hvac Control Module ), ( Manufacturer Warranty: 1 Year ), ( Placement On Vehicle: Front Rear ), ( Notes: W/automatic Air Conditioning Controls; W/rear Window Defogger; Re ), ( Cs-sku: 328 )

Review DORMAN Hvac Control Module Cadillac Direct Fit fits ESCALADE EXT 2003–2004

The Dorman 65iw674 HVAC Control Module is an essential component for the climate control system in certain 2003 and 2004 Cadillac Escalade models. This part is designed to replace the original equipment manufacturer (OEM) control module when it fails or stops functioning correctly.

This HVAC Control Module is a sophisticated electronic device that manages various heating, ventilation, and air conditioning functions in your vehicle. It interprets input signals from various sensors, such as the temperature sensor, and uses that information to adjust the climate control settings accordingly. It also controls the blower motor, heater core, and other HVAC components to maintain the desired temperature inside the cabin.

The Dorman 65iw674 is a direct fit replacement for the OEM control module in the specified Cadillac Escalade models. It is engineered to meet or exceed OEM specifications for performance, fit, and functionality. This ensures that your vehicle's climate control system will continue to operate effectively and efficiently after the replacement.

This HVAC Control Module is built with high-quality components that are designed to withstand the rigors of automotive use. It is tested thoroughly to ensure that it meets or exceeds industry standards for reliability and durability.

Installing the Dorman 65iw674 is a straightforward process that can be done by most DIY enthusiasts or professional technicians. It comes with a detailed installation guide that provides step-by-step instructions and diagrams to help you complete the job quickly and easily.

In summary, the Dorman 65iw674 HVAC Control Module is an essential replacement part for the climate control system in certain 2003 and 2004 Cadillac Escalade models. It is a direct fit replacement that is engineered to meet or exceed OEM specifications for performance, fit, and functionality. It is built with high-quality components and is tested thoroughly to ensure reliability and durability. Installing it is a straightforward process that can be done by most DIY enthusiasts or professional technicians.

Dorman 65iw674 HVAC Control Module for 2003-2004 Cadillac Escalade: A Detailed Analysis

The Dorman 65iw674 HVAC control module is a potential solution for heating, ventilation, and air conditioning (HVAC) system issues in 2003-2004 Cadillac Escalades. In this analysis, we will discuss the key features, advantages, disadvantages, and a concluding recommendation based on available information.

The Dorman 65iw674 HVAC control module is designed as a direct replacement for the original equipment on 2003-2004 Cadillac Escalades. It includes all necessary features for proper HVAC system functionality, such as temperature control, fan speed adjustment, and system diagnostics.

a. Cost-effective: Compared to dealer prices, the Dorman 65iw674 module is typically more affordable, offering significant savings for Cadillac Escalade owners.

b. OEM-like fit and function: The Dorman control module is engineered to match the form, fit, and function of the original HVAC control system, ensuring a seamless replacement.

c. Easy installation: Most users can install the module themselves, saving time and labor costs.

a. Potential for programming issues: Some users have reported that the module may require additional programming to work correctly with the vehicle's HVAC system.

b. Availability: The Dorman 65iw674 module may not be readily available at all auto parts stores or online retailers, requiring some effort to locate and purchase.

The Dorman 65iw674 HVAC control module offers a cost-effective and OEM-like replacement for the faulty HVAC control system in 2003-2004 Cadillac Escalades. While some users may encounter programming issues, the benefits of this solution often outweigh the potential drawbacks, especially considering the potential cost savings compared to dealer prices. If you can confirm the compatibility of this part with your specific vehicle and are comfortable with potentially programming the module, it is a recommended choice for addressing HVAC system concerns in your Cadillac Escalade.

Details:

Mounting Type: Bolt On. Item Specifics Automatic Temperature Control: Yes. Dorman parts are engineered to meet or exceed OEM standards, providing reliable performance, durability, and ease of installation. Programming required: Yes.

Mounting Hardware Included: No. Connector Quantity: Reliable Performance: Engineered to meet or exceed OEM specifications for consistent operation and longevity.Durability: Manufactured using high-quality materials withstand the demands of everyday driving.Easy Installation: designed as direct-fit replacements, requiring minimal effort no special modifications.Wide Availability: Covers a broad range vehicle applications, making it easier find right part your car truck. Terminal Type: Pin.

Pin Count: 36. Instruction Manual Included: No. Warranty Coverage: 1 Year. Terminal Gender: Male.

Connector Gender: Female. Part Type: HVAC Control Module. Housing Color: Black. Package Contents: 1 HVAC Control Module.

Notes: w/Automatic Air Conditioning Controls; w/Rear Window Defogger; Remanufactured.

part #: 65iw674 price

• $355.42

specifications cahecon:

• for models: Escalade, Ext
• for makes: Cadillac
• for years: 2003-2004
• brand: Dorman
• mpn: 65iw674
• part type: Hvac Control Module
• manufacturer warranty: 1 Year
• placement on vehicle: Front Rear
• notes: W/automatic Air Conditioning Controls; W/rear Window Defogger; Re
• cs-sku: 328

shipping cahecon:

• transit: 4-10 Days
• type: Fixed
• class: Standard
• cost: $0.00
• service: Standard

payments cahecon:

• other
• credit card: Mastercard
• wallet: Google-pay

offer cahecon:

• sold: 0
• started: February 22, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock

general cahecon:

• Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units
• condition: New

seller cahecon:

• city: Bronx, New York
• # reviews: 138
• rating: 99.3%

returns cahecon:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

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