EMISSION SYSTEM. EMISSION COMPONENTS. #1. #2. #3. front. rear.. 1991 Porsche

Air pump support.

Air pump insulator.

Air pump tube. Part listed is for a 5 meter roll. Cut as required. Vacuum Hose. Vacuum Line. Air pump tube. Lower hose. Tube ASSEMBLY. Vacuum hose. VACUUM LINE, RUNNIN. Vacuum tube pipe.

Hose.

Shut-off valve. Secondary Air Injection Pump Check Valve. Secondary Air Injection Solenoid.

Shut-off valve gasket. A Gasket for an EGR Tube. Secondary Air Injection Check Valve Gasket. Secondary Air Injection Control Valve Gasket. Vapor Canister Purge Solenoid Gasket. Exhaust Gas Recirculation (EGR) Tube. Metal/RUBBER. Pipe. Secondary Air Injection Check. Secondary Air Injection Control. Shut - off. Vapor Canister Purge Solenoid.

#1. Changeover valve. PartQualifier: #1. PartQualifier: #2. 90-degree. Automatic Transmission Oil Cooler Control Valve. New Body Style. Secondary Air Injection Pump Check Valve. Secondary Air Injection Solenoid. Automatic Transmission Oil Cooler Control. By - Passenger. Changeover. Diverter. Secondary Air Injection Pump Check. Secondary Air Injection Solenoid. Included with: Air cleaner assembly.

#2. Changeover valve. PartQualifier: #2. A switch which opens or closes based on a predetermined boost value. Controls fresh air inlet for secondary air injection system. Secondary Air Injection Pump Check Valve. Secondary Air Injection Solenoid. Change - over valve. Changeover valve. CONTROL SOLENOID. DIVERTER VALVE. Secondary Air Injection Control Valve. Secondary Air Injection Pump Check Valve. Secondary Air Injection Solenoid. Turbocharger Boost Pressure Safety Switch.

#3. Changeover valve. PartQualifier: #3. A switch which opens or closes based on a predetermined boost value. Secondary Air Injection Solenoid. Turbocharger Boost Solenoid. Pressure Safety Switch. Changeover. Secondary Air Injection. TIMED.

Protect tube.

Air tube.

Tube. Part listed is for a 420 millimeter length Tube. Cut as required. Part listed is for a 5 meter roll. Cut as required. Part listed is for a 540 millimeter length Hose. Cut as required. Vacuum Hose. Vacuum Line. Running. Line.

Connector hose.

Vent tube.

Left.front. Right.front.

Left.rear. Right.rear.