These are the caps placed on the inside of the rear marker reflectors to protect your trunk's contents from damage. These Reproductions are grey. They were originally black with varying shades of grey. Sold in pairs, two pairs per car.
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Here is the Rear Marker Reflector without a cap.
Here is the new cap on the marker. After you install the Rear Marker, screw the cap onto the Marker from the inside of the trunk. Below is a good used cap on the Marker.
