Mercedes Benz Air fitting Seal Ring: Outer Seal Ring for big 17mm Hex Fitting, W112/W109/W100, Mercedes Benz 002-997-91-45

This outer Seal Ring is located in a groove at male M14 x1.5 outer thread 

M14 x 1.5 Fittings (17mm Hex)  are used for rear air spring connecting pipe (all Mercedes Benz air suspension cars) , 600 Grosser Mercedes pressure regulator brake port.  

Fits

W100/ 600 Grosser Mercedes, 

W109.015, W109.016, W109.018, W109.056,
W109.057

W112

Mercedes Benz part number

 A0029979145,  A002 997 91 45,  A 002 997 9145,  A002-997-91-45,

A002-997-9145

0029979145, 002 997 91 45, 002 997 9145,  002-997-91-45, 

002-997-9145