Genuine Sherwood pump service spare parts, the Sherwood SW 25072 cam liner is sold per half. You will require two (2) 25072 cam liner halves per Sherwood pump. The cam liner is suitable for Sherwood G2201-01, G22011-01, G22012-01, G22012X, G3001-01, G3001-02 and G3001X engine cooling pumps.
Sherwood cam liner 25072 replaces the earlier 25160.