Chevy / GMC OBS 3.5" Dash Speaker Adapter Set – 4x6 to 3.5" Conversion Plates

Chevy / GMC OBS 3.5" Dash Speaker Adapter Set – 4x6 to 3.5" Conversion Plates Upgrade the front dash speakers in your Chevy / GMC OBS truck with this pair of custom adapter plates, designed to fit 3.5" aftermarket speakers in the factory 4x6 dash speaker locations. These adapters are made to provide a clean mounting solution while allowing the factory dash speaker cover / fabric mesh to be reinstalled over the speaker area. ⭐ Features Designed for Chevy / GMC OBS front dash speaker upgrades Converts factory 4x6 dash speaker location to 3.5" aftermarket speakers Uses original factory mounting area Allows factory dash speaker cover / mesh to be reinstalled Low-profile plate design for snug fit under the dash cover Clean OEM-style installation No major dashboard modification required Sold as a complete left + right set 🔧 Fitment & Installation Vehicle compatibility: Chevy OBS trucks GMC OBS trucks Approx. 1988–1994 front dash speaker applications May also fit similar GM dash speaker layouts with matching factory 4x6 speaker openings Speaker compatibility: 3.5" aftermarket speakers Designed for replacing factory 4x6-style dash speakers with compact 3.5" speakers Installation notes: Fits under the factory dash speaker cover Factory fabric mesh / grille can still be installed over the adapter Uses factory dash speaker mounting area Speaker mounting hardware not included Speakers are not included Please compare your original dash speaker shape and mounting points before ordering 🖨 Material & Print Quality Printed in ASA only Heat-resistant – suitable for hot car interiors UV-stable – ideal for long-term use Strong and rigid construction This is a 3D-printed part. Minor layer lines or surface marks may be visible. Optional light sanding or painting is recommended for a perfect cosmetic finish. 📦 Included 2× Dash Speaker Adapter Plates 1× Left Side Adapter 1× Right Side Adapter (Complete set – left & right)