Check valve with 11.8mm connections for installation in the hose between the brake booster and intake manifold. Newly manufactured by ATE-Classic.
OE/GM number: 564611
Fits: Kadett B/Olympia A, Kadett C (Vauxhall Chevette), Kapitän/Admiral/Diplomat B, Manta/Ascona A, Manta/Ascona B (Vauxhall Cavalier Mk1), Monza/Senator A, Rekord C/Commodore A, Rekord D/Commodore B, Rekord E/Commodore C
Connections approx. 11.8mm.