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504 Posts
I have got some more interest in the f800/ freightliner High Mount AC set ups, and noticed the used prices were still quite high.
These are current retail prices from Rocky Mountain Cummins...any cummins dealer in your area should be able to get them.
3930888 Water inlet (The big cast piece)------------166.91
3930820 Alt support mount---------------------------29.14
3920862 Alt brace (does not work with dodge outlet)--31.31
3978021 Belt tensioner------------------------------158.35
3921382 Belt tensioner bracket-----------------------42.47
3906697 Rec O ring-----------------------------------3.23
The high mount ac (i guess really a mid mount ac) uses a 95 f800 compressor and 22 si alternator. I used it in a 6bt Chevy to clear the frame rails, but it works great in a lot of different applications. The other advantage on a 4bt is that you can still use the front lower motor mount area.

You will still need a water inlet that matches your set up, also a pretty easy part to fab yourself. I also made a new tensioner bracket, but it would have been very simple to modify the stock part, it is just a chunk of flat 3/8 plate.

The alternator brace won't work with the dodge outlet (not with out trimming a LOT of meat off of it), so I sell a custom bracket that allows you to uses the oulet. You can also change the outlets to a straight up style, which also works well, better in many cases.

These are current retail prices from Rocky Mountain Cummins...any cummins dealer in your area should be able to get them.
3930888 Water inlet (The big cast piece)------------166.91
3930820 Alt support mount---------------------------29.14
3920862 Alt brace (does not work with dodge outlet)--31.31
3978021 Belt tensioner------------------------------158.35
3921382 Belt tensioner bracket-----------------------42.47
3906697 Rec O ring-----------------------------------3.23
The high mount ac (i guess really a mid mount ac) uses a 95 f800 compressor and 22 si alternator. I used it in a 6bt Chevy to clear the frame rails, but it works great in a lot of different applications. The other advantage on a 4bt is that you can still use the front lower motor mount area.

You will still need a water inlet that matches your set up, also a pretty easy part to fab yourself. I also made a new tensioner bracket, but it would have been very simple to modify the stock part, it is just a chunk of flat 3/8 plate.

The alternator brace won't work with the dodge outlet (not with out trimming a LOT of meat off of it), so I sell a custom bracket that allows you to uses the oulet. You can also change the outlets to a straight up style, which also works well, better in many cases.
