Mercedes Benz Workshop Service and Repair Manuals

Model years 1990/91 
Engine 602.96 Model 124

Y31/1

EGR valve vacuum transducer

Y31/2

Pressure control flap vacuum transducer

Y31/3

Wastegate vacuum transducer

Model years 1990/91 
Engine 603.970 Model 126

Y31/1

EGR valve vacuum transducer

Starting model year 1992 
Engine 602.96 Model 124

Y27

EGR switchover valve

Y27/4

Boost pressure control switchover valve

Y27/5

Pressure control flap switchover valve

Y31/1

EGR valve vacuum transducer