Venttiili, pakokaasun kierrätys

CHEVROLET TRAX OPEL ASTRA J, ASTRA J GTC, ASTRA J Sedan, ASTRA J Skåp / kombi, ASTRA J Skåp/halvkombi, ASTRA J Sports Tourer, ASTRA K, ASTRA K Skåp/halvkombi, ASTRA K Sports Tourer, INSIGNIA A, INSIGNIA A Country Tourer, INSIGNIA A Sedan, INSIGNIA A Sports Tourer, INSIGNIA B Grand Sport, INSIGNIA B Sports Tourer, INSIGNIA B Sports Tourer Combi Van, MERIVA B Minibus, minivan, MOKKA / MOKKA X, ZAFIRA TOURER C VAUXHALL ASTRA Mk VI, ASTRA Mk VII, INSIGNIA Mk I, MERIVA Mk II, MOKKA / MOKKA X, ZAFIRA Mk III