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Toyota Highlander liftgate speaker adapter for 3 1/2" speaker - image

Files (2)

Left_Side.stl
STL
148.4 KB
Right_Side.stl
STL
155.7 KB
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STL fileRoleSource sizePETG / ASA 20%PETG / ASA 35%100% solidRecommendation
Left_Side.stlChoose left variant148.4 KB STLSlice fileSlice fileSlice fileUse PETG / ASA, 4 walls, 35% infill. Pick the matching side before printing.
Right_Side.stlChoose right variant155.7 KB STLSlice fileSlice fileSlice fileUse PETG / ASA, 4 walls, 35% infill. Pick the matching side before printing.

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Trunk/Tailgate

Toyota Highlander liftgate speaker adapter for 3 1/2" speaker

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Description

This is an adapter that I had to make to get a 3 1/2 inch speaker into the Toyota Highlander 2018 liftgate because the current mount is for a 3 inch and a larger speaker will not fit. My final design needed a notch cut into it so that one of the clips for the tail light cover could go through it. I printed mine in PLA with 100% infill. It might have been overkill, but my early tests with 25% were not strong at all.

Compatible Cars

Published Jun 27, 2026Updated Jul 15, 2026

Originally published on thingiverse.com by Bradford Crist (BadBrad97) · License: CC BY

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