I'm going to replace the pump and reservoir on my 2005 ML500 but the bolt that holds down the reservoir is missing. I think it's an E10 bolt. The pump/reservoir combo that I've ordered comes with the seal but no bolts. Does anyone know what the part number for this bolt is? Are the 3 other bolts for the pump also the same part? I might replace all the bolts if they're not too expensive.

 

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There are two different bolts.

 

Thanks Maj. Dundee for the reply. I'm very sorry for posting on the other thread. I incorrectly assumed that khomer2 was directing me to post my question on the other thread after using the search function. I did see this diagram that you previously posted on that thread however it confused me because the diagram pictures only one bolt each for #38 and #35. They are pictured at the top and no bolts pictured at the bottom so I incorrectly thought it was only one bolt each. The left side description does show quantity 2 which I did not previously notice.

My thread requested the part number for bolt #59 which holds the reservoir in. This is the bolt I am missing and the one that I absolutely need for the installation. I have the 4 bolts that secure the steering pump but I was considering replacing them if not too expensive.

I called my local dealer for pricing. Bolt #59, part number N000000001117, cost $3.71. Bolt #38 cost $8.60 each. Bolt #35 cost $7.27 each. Since I already I have the original bolts for the pump, I am going to re-use them and save myself $32.

 

Sorry, misread which bolt. That bolt part number you posted is correct.