Metra 89-30-3900 Universal DIN 3/8-Inch Spacer Trim Ring

Metra 89-30-3900 is a universal Single-DIN spacer trim ring for finishing aftermarket radio installations that need a 3/8-inch spacing solution. It is designed for clean aftermarket radio installation work where a universal protective cover, sun shade, spacer, or trim solution is needed.

At a Glance

• Universal DIN spacer trim ring for aftermarket radio installations
• 3/8-inch thick Single-DIN spacer
• Helps finish or space Single-DIN radio installations
• Universal installer accessory for custom dash kit fitment work
• Verify radio, kit, and dash opening dimensions before installation

System / Wiring Notes

• Universal installation accessory; verify dimensions, radio size, mounting location, and dash kit clearance before installation
• Not vehicle-specific unless separately confirmed by the installer for the exact application
• May require trimming, positioning, or installer judgment depending on the radio, dash kit, and mounting surface

Installation Notes

• Confirm radio size, dash opening, and available clearance before installation
• Professional installation is recommended when modifying a dash kit, trim panel, or marine/powersports mounting location
• Check manufacturer instructions and test-fit before final mounting

What’s in the Box

• Metra 89-30-3900 DIN spacer trim ring

Technical Specifications

• Brand: Metra
• Model: 89-30-3900
• Product Type: Universal DIN spacer trim ring
• Application: Universal Single-DIN radio spacing and trim finishing
• Radio Provision: Single-DIN
• Spacer Thickness: 3/8 inch
• Compatibility Type: Universal

Identifiers & Packaging

• MPN: 89-30-3900
• UPC: 086429153800
• Sold As: Each
• Included Components: Metra 89-30-3900 DIN spacer trim ring

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