Does Borgeson offer a box for Fifth Avenues?

Dippy Daddy

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Hey folks,

Maybe I'm missing something, but I went to the Borgeson website today (11-4-25) to see the pricing for a power steering box for my 1986 Chrysler Fifth Avenue. I'd read about them here and the members seemed to like them, but I started to notice all the posts were from years ago. So when I went to the website, and searched for the part, Chrysler did not appear in the drop-down menu. Dodge did, but when I clicked on it, all I got were trucks. Didn't see Diplomats.

So has Borgeson discontinued its power steering box for M-bodies?

Thanks.
 
They do, but they don't have us in their application search, like a lot of companies. You will have to search for an earlier car or look at one of the retailers that carries them, like Bergman auto craft
 
This is the kit you want: BAC Steering Box Conversion Kit - Large Sector 73-82 - Bergman Auto Craft

I'm running this on my 5A and Dad has it on his Diplomat. You'll need a high pressure hose, also from Bergman.
Hey, thanks for the great information. Duke5A, have you seen any drips from the Borgeson steering box since your installation? My Fifth has 190,000 miles, the factory box is leaking, it's not tight anymore, and I'm looking to upgrade. Bergman recommends the steering box cooler -- did you get one? My car's strictly a daily driver, no drag racing or autocrossing, but I put a lot of miles on it. My daily commute's about 70 miles, part city, part interstates. So I want something that'll stand up to a lot of use. Really appreciate your perspective.
 
Hey, thanks for the great information. Duke5A, have you seen any drips from the Borgeson steering box since your installation? My Fifth has 190,000 miles, the factory box is leaking, it's not tight anymore, and I'm looking to upgrade. Bergman recommends the steering box cooler -- did you get one? My car's strictly a daily driver, no drag racing or autocrossing, but I put a lot of miles on it. My daily commute's about 70 miles, part city, part interstates. So I want something that'll stand up to a lot of use. Really appreciate your perspective.

Beside my Dad's car and my own there is another forum member here with it on his coupe. It's an expensive upgrade and usually it's only seen on project cars that get silly amounts of money thrown at them. If your car is strictly an all weather DD then Steer and Gear might be a better cheaper alternative. They're located in Ohio too.

Dad's car has a cooler, but I haven't added one yet. I've got one in the box that will get installed sometime over the winter here. A cheap $35 unit is all you need and it's plumbed into the return side.
 
Don't let the parts listings on websites scare you. Almost all the A B C E F and M body passenger car power steering boxes from 73 to 89 will interchange. Manual boxes will interchange from like the late 60s to 89.
 
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