Truly Independent and Unbiased!

Main Menu

M110 Valve Cover Nuts and Bolts

Started by davidguarin, 30 May 2022, 04:11 PM



Does any one know the code number of the bolts / nuts of the  valve cover and to torque values.

DaVid Guarin
w116 280s 1973


The 12 acorn style nuts around the outer perimeter of the valve cover are part number 000917-008007.  12 are required.  There are no washers shown/required for these nuts. 

The three bolts that are in the middle of the valve cover are part number 304017-008043.  3 are required.  The associated copper sealing washers for these three bolts is part number 915035-000003. 

The torque specifications for both the nuts and the three bolts is 5 Newton meters, or 44 inch pounds. 
1966 250se coupe`,black/dark green leather
1970 600 midnight blue/parchment leather
1971 300sel 6.3,papyrus white/dark red leather
1975 450se, pine green metallic/green leather
1973 300sel 4.5,silver blue metallic/blue leather
1979 450sel 516 red/bamboo


These don't appear to be available online in Europe, but they do have stainless ones.

Might look a bit silly on an old cover.

'77 280se