Mercedes Benz Ponton Differential Spacer Sleeve.

I believe it can be used on all except the very early W120 with the double jointed axles.

some damage to the top of one spline, shown in photo 3.

Ponton parts in my eBay store are divided into categories to make finding what you want easier.

I will combine shipping.

Most things ship the same or the next day.

International buyers please read:

It is the buyer's responsibility to pay all customs or import fees taxes and duties. 
I do not put false information on customs forms.