Metra 70-7551 Amp Integration Harness for Nissan & INFINITI Vehicles

Metra 70-7551 is a factory amplifier integration harness for select Nissan and INFINITI vehicles with compatible factory amplified systems. It helps connect an aftermarket radio while integrating with the compatible factory amplified audio system.

At a Glance

• Factory amplifier integration harness for select Nissan and INFINITI vehicles with compatible factory amplified systems
• Connects to the vehicle’s original radio connectors
• Designed for aftermarket radios rated 35 watts or less
• Includes one 8-pin power plug and one 8-pin speaker plug
• Helps integrate a compatible factory amplified audio system during radio replacement

System / Wiring Notes

• Use only on supported factory amplified or Premium Sound applications
• Designed for aftermarket radios rated 35 watts or less where specified by Metra
• Additional parts such as a dash kit, antenna adapter, steering wheel control interface, or retention interface may be required
• Factory amplifier behavior, retained features, and audio performance depend on the vehicle’s original equipment and installation setup

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.

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 audio system, trim level, and radio connector before installation
• Additional installation parts may be required depending on the vehicle and aftermarket radio being installed
• Professional installation is recommended for best results
• Check the manufacturer’s instructions and vehicle fit guide before installation

What’s in the Box

• Metra 70-7551 factory amplifier integration harness

Technical Specifications

• Brand: Metra
• Model: 70-7551
• Product Type: Factory amplifier integration harness
• Application: select Nissan and INFINITI vehicles with compatible factory amplified systems
• Compatibility Type: Vehicle-specific
• System Role: Factory amplifier integration
• Radio Output Note: For aftermarket radios rated 35 watts or less

Identifiers & Packaging

• MPN: 70-7551
• UPC: 086429105519
• Sold As: Each
• Included Components: Amplifier integration harness with 8-pin power plug and 8-pin speaker plug

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