If a part is temporarily unavailable, you could substitute it with these parts:
Quality Seal, injection pump for Mercedes SLK 55 AMG 5.5 422 hp Petrol
Wide selection of new seal, injection pump for Mercedes SLK R172 55AMG (172.475) Petrol 422 hp, priced from £3.24 to £46.48. Choose from 6 trusted manufacturers.
Seal, injection pump for MERCEDES-BENZ SLK models
200 Kompressor (171.442) M 271.944
230 Kompressor (170.447) M 111.973
200 Kompressor (170.444) M 111.958
200 (170.435) M 111.946
230 Kompressor (170.449) M 111.983
350 (171.456) M 272.963
320 (170.465) M 112.947
200 Kompressor (170.445) M 111.943
280 (171.454) M 272.942
200 Kompressor (171.445) M 271.954