9-71

971-020 

flat contact housing with
contact locking mechanism
lambda probe
(behind catalyst) 

4 pin
brown 

 

9-71

971-023 

flat contact housing with
contact locking mechanism
lambda probe
(behind catalyst) 

4 pin
black 

 

9-71

971-050 

flat contact housing with
contact locking mechanism
possible single wire: 

4 pin
brown
000 979 131 E
000 979 131 EA 

1,0
1,0