Autotecnica SU0318636 Secondary Air Injection Pump

Secondary Air Injection Pump for Subaru Applications

The Autotecnica SU0318636 secondary air injection pump is a direct-fit emission control replacement for select Subaru models. It supports the secondary air injection system by supplying air during cold-start operation, helping the engine management system maintain proper emissions performance.

• Secondary air injection pump for emission control service
• OE-style aftermarket replacement from Autotecnica
• Manufactured to ISO/TS 16949 QMS specifications
• Fits select Subaru WRX STI, WRX, Impreza, Forester, Legacy, and Outback applications
• Cross-references Standard Ignition AIP29 for the same application

Fitment Details

• Fits 2013-2021 Subaru WRX STI, N/A
• Fits 2009-2014 Subaru Impreza, N/A
• Fits 2013-2014 Subaru WRX, N/A
• Fits 2009-2013 Subaru Forester, N/A
• Fits 2012 Subaru Legacy, N/A
• Fits 2009 Subaru Legacy, N/A
• Fits 2009 Subaru Outback, N/A

What This Pump Helps Address

• Secondary air injection system fault codes
• Cold-start emissions concerns
• Reduced air delivery to the emission control system
• Failed or noisy air pump operation
• Check engine light conditions related to air injection performance

Installation Notes and Tips

Verify the vehicle year, model, and emission system configuration before ordering. This part number, SU0318636, is listed for multiple Subaru platforms, so matching the original pump application is important for proper fitment and function. Inspect related hoses, valves, and electrical connections during replacement to confirm the system is operating correctly.

Quality Assurance

Autotecnica manufactures aftermarket parts under ISO/TS 16949 QMS specifications and backs this part with a two-year, unlimited mileage warranty. SU0318636 is positioned as an OE-spec alternative for Subaru WRX STI and other listed Subaru applications.