Do these covers need paint or sealant before install?

Steel covers are raw and will benefit from prep before mounting. Clean the mounting surface and covers with a degreaser, then apply rust-preventative primer or sealant where covers contact the door handles to minimize moisture trapping.

What fasteners do I need to attach them?

Covers mount at factory points using hardware compatible with your vehicle's existing handle attachment. Verify bolt size and type against your door handle assembly before purchase — replacement hardware may be needed if originals are damaged.

Will these fit both my Sequoia and Sienna if I own both vehicles?

This set is engineered for both platforms, but test-fit on your specific vehicle first. Body line variations between model years can affect clearance — confirm fitment before final installation.