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I've been rebuilding an ML55 for a few months, and this is another part that is difficult to identify and source:
The lower radiator hose (return that connects to the engine)
Another breadcrumb for those looking to locate this 'correct' OE part:
163-501-41-82
A.k.a. A1635014182
Identified as #19 in the (exploded 320/350/430/500/55) diagram below:
This is what the actual part looks like, there are conflicting Mercedes Part numbers for this hose, and the diagram doesn't clearly illustrate the obvious 85degree kink:
As I discovered, this part is often confused with other part numbers, which are the incorrect hose - they might be for ML320/350's, but definitely don't fit an ML55 M113, and likely neither a 430/500.
If the well for this part ever dries up, this other part number -may- suffice, but DO NOT order a 'Gates 22581' (which is not the correct replacement hose)
If you cannot find a "4132" these parts may be your best bet:
1635011282
Elaplast 1635011282
Per: https://www.fcpeuro.com/products/mer...ast-1635011282
Happy hunting, and keeping these Jurassic W163 SUV's that built Mercedes' SUV/Crossover market!
Jeremy
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