Brake Booster Line Ports Front vs Rear

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Mar 8, 2024
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When I bought my 02 LX470, it came without the stock hydro brake booster assembly. I purchased a new assembly to install and am trying to get it bolted in and bled over the weekend. I think(?) the 2 ports on the front of it that point towards the battery are for the front, and the two that point towards the engine/passenger side are for the rears. Is that correct?

And are the ports interchangeable as far as left/right as long as you have the front/rear correct? I cannot find a diagram that shows exactly which lines go into which ports and the stock brake lines were removed by the previous owner. Any help appreciated.
 
In case anyone else ever finds themselves in the same predicament: upon further inspection, the ports on the brake booster assembly are labeled with “R” and “L” over the ports.
 

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