Porsche Exhaust Vacuum Unit - 911 07-11 997-111-901-92 993-631-031-00 Porsche Driver's manual for 1974

Porsche Driver's manual for 1974 914 models as was supplied when the car was new

Contains new main gear and driven gear assembly to rebuild one top motor

Porsche Double row timing chain with large sprockets for 996 and Boxster (1997-2002) models

They offer excellent stopping power

Porsche Oil separator boot for lower bellows

Porsche Exhaust Vacuum Unit - 911 07-11 997-111-901-92 993-631-031-00 Porsche Driver's manual for 1974Porsche Exhaust Vacuum Unit For Porsche 997 (2007 2011) Models. This exhaust vacuum unit is a critical component of your vehicle's exhaust system, responsible for controlling the exhaust gas recirculation (EGR) valve. Key Features: Precision Engineered: Ensures accurate and reliable operation. Durable Construction: Made from high quality materials to withstand high temperatures and vibrations. Efficient EGR Control: Optimizes engine performance and