The Vintage Air Streamline 2-Way Bulkhead Plate mounts through the firewall for A/C hose lines in a low-profile 2-port pattern. This 389603 version is black anodized aluminum with a #6 AN male O-ring port and a #8 AN male O-ring port, and needs only two individually drilled holes to install.
Installation Instructions (PDF)
California Proposition 65 Warning
Specifications:
- Type: Streamline 2-way bulkhead plate
- Ports: #6 AN male O-ring, #8 AN male O-ring
- Material: Aluminum
- Finish: Black anodized
- Application: A/C hose lines
- Part Number: 389603
FAQ
What is the Vintage Air 389603 bulkhead plate used for?
It mounts through the firewall to pass A/C hose lines from the engine bay to the evaporator, using a 2-port pattern with #6 and #8 AN male O-ring fittings.
What finish does the 389603 come in?
This bulkhead plate is finished in black anodized aluminum.
How many holes does installation require?
The lower-profile design requires drilling two individual holes through the firewall.
Does the 389603 include installation instructions?
Yes, Vintage Air provides a printable installation instruction sheet for this part.

