Keystone TO1327131 Outer Mirror Cover Passenger Side Black w/ Turn Signal Hole

The Keystone TO1327131 is a passenger-side (right-hand) outer mirror cover designed as an OEM-style replacement for the 2021–2025 Toyota Sienna. This cover fits mirrors equipped with auto-dimming functionality and a turn signal lamp, making it specific to higher trim levels including the 25th Anniversary Edition, Limited, Platinum, and XSE models.

Finished in smooth black, this cover mounts via a clip-on attachment and is engineered to align precisely with the existing mirror housing for a clean, factory-correct appearance. It replaces the outer shell of the mirror assembly without requiring replacement of the full mirror unit.

Key Features:

• Passenger side (right-hand / RH) fitment
• Smooth black finish
• Compatible with mirrors featuring auto-dimming and integrated turn signal lamp
• Clip-on installation — no special tools required
• Constructed from durable plastic
• OEM-style replacement for precise fit and finish
• Designed for 25th Anniversary Edition, Limited, Platinum, and XSE trim levels (2021–2025)

Part Number Cross-Reference:

• Keystone MPN: TO1327131
• Toyota OEM: 8791508050C0

This mirror cover restores the original exterior appearance of a damaged or missing mirror cap, and is manufactured to OEM specifications for a seamless replacement.