Listed on ebay :
14-19 Toyota 4Runner Navigation Audio Radio JBL XM Entune 86100-35414 OEM 510419 | eBay
Price very negotiable, I just have it listed high on ebay to see if I get any bites.
I'm located in CT and would prefer a local sale rather than shipping.
If you are interested, please don't buy it on ebay, send me a message here.