Metra
Metra 40-NI31 Infiniti Nissan FM Modulator Antenna Adapter Kit 1987-2006
Metra 40-NI31 Infiniti Nissan FM Modulator Antenna Adapter Kit 1987-2006
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The Metra 40-NI31 antenna adapter kit is designed for select 1987-2007 Infiniti and Nissan vehicles when adding an FM modulator to the factory radio. It includes two antenna adapter cables that connect the factory radio and antenna path to an external FM modulator.
At a Glance
- Antenna adapter kit for FM modulator integration
- Used to adapt factory radio and antenna connectors to an FM modulator
- Cable 1 uses a male Motorola-style connector and Nissan-style antenna connector
- Cable 2 uses a female Motorola-style connector and Nissan-style antenna connector
- Designed for select Infiniti / Nissan factory-radio systems
Exact Vehicle Compatibility
Find your vehicle below, then match the model year and factory-equipment details in the same row. Factory radio, amplifier, navigation, trim, speaker location, and connector differences can change which installation parts are required. If anything differs, contact MCOR before ordering.
| Make | Model | Years | Factory Equipment / Qualifier |
|---|---|---|---|
| Nissan | Armada | 2004-2005 | With factory navigation |
| Nissan | Armada | 2006-2007 | With factory navigation |
| Nissan | Frontier | 1998-2001 | — |
| Nissan | Quest | 2007-2009 | — |
| Subaru | Legacy | 2012-2014 | Without factory amp (base radio); Without factory navigation |
| Subaru | Outback | 2012-2014 | Without factory amp (base radio); Without factory navigation |
Fitment note: Year and model alone are not always enough to confirm compatibility. Match every factory-equipment qualifier shown for your vehicle, and contact MCOR Automotive if the radio, amplifier, navigation, speaker, camera, trim, or connector details are uncertain.
Installation Notes
- Confirm exact year, make, model, factory radio, and antenna connector before installation.
- Match the adapter direction to the installation type: aftermarket radio, factory radio, aftermarket antenna, or FM modulator.
- Additional radio installation parts may be required depending on the vehicle and head unit.
- Professional installation is recommended for proper antenna integration and signal performance.
What’s in the Box
- Two-piece FM modulator antenna adapter kit as supplied by Metra
Technical Specifications
- Brand: Metra
- Model: 40-NI31
- Product Type: Antenna adapter cable
- Application: Select Infiniti / Nissan FM modulator integration
- Connector Type: Male and female Motorola-style FM modulator adapter cables to Nissan-style antenna connectors
- Compatibility Type: Antenna integration adapter
Identifiers & Packaging
- MPN: 40-NI31
- UPC: 086429017805
- Sold As: Kit
- Included Components: Two-piece FM modulator antenna adapter kit as supplied by Metra
Why Buy From MCOR Automotive
- Authorized retailer for the brands we sell
- Specialists in vehicle audio integration, radio replacement parts, and installation accessories
- 22+ years of professional automotive electronics experience
- Expert support for compatibility verification and proper setup
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