Looking for a firewall grommet

My name is Craig Nelson and I am working on a 1995 F355 Spider.

I am removing 20 year old aftermarket electronics such as an old Viper alarm, Sony CD player, Sony CD changer mounted in the front, etc.

I am looking for a rubber firewall grommet that fits into an oval hole that is 3.5" x 2" and the hole is atop the A/C blower box. There is no part number. The existing one was hacked up to allow CD changer cables to pass through from the passenger cabin to the trunk.

The table shows the location, but has no part number.
Ferrari 355 (2.7 Motronic) Bodywork Table 143 Air Conditioner Evaporator

I also attached pics of what I have.

If anyone can help me locate one, please message me here or contact me at (619) 944-8971. Thanks.
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Hi Craig,

There are similar plugs at the front of the car (underside) to cover the suspension fasteners. Perhaps they are the same. #17

Ferrari 355 (2.7 Motronic) - Front Part Structures: Page 102 | Order Online Eurospares

 

If you have any sapre time on a weekend go to your local salvage yard

They are used on many cars

 

From our board sponsor....
62678500 PLUG - Ricambi America, Inc.

 

I have looked at these other diagrams and it is very possible that this could be the same plug. However, without measurements of the actual hole these go into, I would be flying blind.

The hole I am trying to plug is oval measuring 3.5" x 2".

 

Craig - if you have the car, just take a look at the front plugs (remove one) and try it. If it fits, then you know you can order that part.

 

and at $6.00 you can't go wrong.

 

It looks like part #18 - at $42.79 - is the insert for #17.

62921200 PLUG - Ricambi America, Inc.

 

Ill send it to you for free and I will pay for shipping. Let me make sure I remember where I have stored it. Will let you know tomorrow.

Steve