Air Check Valve - 911 | 1984-1998 99610622257 Upgrade your ride and experience

Upgrade your ride and experience the benefits with this easy-to-install product

Replace the sloppy and high-maintenance factory shift linkage on your Porsche G-body with the Numeric Racing G Body Shift Rod Coupler

8 mm thick ends

Porsche Huf TPMS valve stem set for all models

Porsche Right Headlight Seal for Cayenne (2003-2006) models

Air Check Valve - 911 | 1984-1998 99610622257 Upgrade your ride and experienceAir Check Valve For Porsche 911 (1984 1989) 964 (1989 1994) 993 (1995 1998) Models. The Air Check Valve for Porsche 911 controls airflow within the engines vacuum system, preventing backflow and ensuring proper operation of emission controls. Built for a precise fit, it helps maintain engine efficiency and supports clean emissions. An essential component for preserving your Porsches performance and environmental compliance.