Won’t fit as described
The bracket provided is too tall for the 2015 Expedition. It sinks into the hood insulation when closed.

J&L part 3016P-B is an Oil Separator 3.0 passenger side configuration in black anodized for 2011-2022 Ford F-150 5.0L and 4 additional listed applications. The current product data describes a multi-stage filter system with an easily removable collection tank designed to collect fine oil vapor while allowing ventilation air to continue through the system. The removable tank keeps the separator serviceable after installation and is part of the configuration described in the source listing. Verify the listed fitment and separator position against your vehicle before ordering.
Key Features & Specs:
Fitment:
Installation: Manufacturer instructions
Emissions Notice: NOT CARB-APPROVED. ILLEGAL TO USE OR INSTALL IN CALIFORNIA. IF YOU LIVE IN CA, WE CANNOT SHIP YOU THIS ITEM AND YOU WILL BE CHARGED A 10% CANCELLATION FEE IF YOU ORDER. PLEASE LOOK FOR OTHER PRODUCTS WITH CARB APPROVAL.