Harmony Audio Infiniti G35 Sedan 2003-2004 Stereo Install Dash Kit

In this review the Harmony Audio Compatible Infiniti G35 Sedan 2003-2004 Aftermarket Stereo Harness Dash Kit is judged primarily as a practical upgrade for owners who want a clean, factory-like fit when installing an aftermarket radio. The bottom line: it is for DIY installers and professional shops that need a single or double DIN solution that retains full HVAC functionality and vents. The review finds the kit valuable because it replaces the climate control panel with a purpose-built bezel that preserves controls, lighting, and a storage pocket while fitting precisely to the OEM dash.

Key Features

• Direct fit installation: The Metra 99-7604 dash kit is engineered to fit 2003-2004 Infiniti G35 dashboards with precision tolerances for a gapless look after installation.
• Single or double DIN support: The kit accepts both single and double DIN/ISO radios, giving flexibility when choosing aftermarket head units.
• HVAC retention: It replaces the factory climate control panel while retaining full HVAC functionality so drivers do not lose any control features.
• Factory appearance: Soft rubber buttons with backlighting and LEDs are included to match the OEM feel and maintain usability at night.
• Included adapters: The package includes a factory stereo to aftermarket harness and an antenna adapter to simplify wiring and antenna connections.
• Integrated storage: A storage pocket below the radio provides a small, convenient cubby for phones or small items after the head unit is installed.

Who It's For

This kit is ideal for 2003-2004 Infiniti G35 sedan owners who want a neat, OEM-style installation when upgrading to an aftermarket stereo and value retained HVAC controls and factory vents. It suits both experienced DIYers who are comfortable with dash removal and installers who need a straightforward, vehicle-specific bezel to speed up installations.

It is less suitable for owners of other model years or different Infiniti models, and those who want to heavily modify the dash layout should look for custom fabrication solutions instead. Buyers expecting wireless integration modules or head unit hardware included should note the kit focuses on fit, controls, and adapters rather than the radio itself.

Pros & Cons

Pros

• Precise fitment reduces gaps and gives a factory-installed appearance after mounting an aftermarket radio.
• Retains full HVAC operation and factory air vents, avoiding loss of climate control features.
• Includes necessary harness and antenna adapters to simplify wiring and connection to aftermarket stereos.
• Soft rubber buttons with backlighting maintain OEM tactile feel and night visibility.

Cons

• Does not include the aftermarket head unit itself, so a separate purchase is required.
• Fitment is specific to 2003-2004 Infiniti G35 sedan; not universal for other models or years.

Specifications

Product Type	Single / Double DIN installation kit
Vehicle Compatibility	2003-2004 Infiniti G35 sedan
Kit Includes	Metra 99-7604 dash kit, factory stereo to aftermarket harness, antenna adapter
HVAC	Replaces climate control panel while retaining full HVAC functionality
Controls	Soft rubber buttons with backlighting and LEDs
Extras	Storage pocket below the radio and retains factory air vents

Our Verdict

The Harmony Audio kit is a sensible purchase for anyone upgrading the stereo in a 2003-2004 Infiniti G35 sedan because it provides a precise, factory-like installation while keeping HVAC controls and vents intact. It represents good value for installers who want minimal trimming and a finished appearance once the aftermarket head unit and wiring harness are combined with the kit.

Frequently Asked Questions

Will this kit fit my Infiniti G35 from 2004?
Yes, the kit is specifically designed to fit 2003 and 2004 Infiniti G35 sedans and provides the correct bezel size and mounting points.

Are wiring adapters included?
Yes, the package includes a factory stereo to aftermarket harness adapter and an antenna adapter to simplify the installation process.

Does this kit keep the factory HVAC controls?
Yes, the kit replaces the climate control panel but retains full HVAC functionality and uses backlit soft rubber controls to preserve usability.