Shop OEM GENERAL MOTORS Part # 12634644. Secondary Air Injection Pump (Right). 2.4 LITER, w/PZEV. 2.4 LITER, w/PZEV, w/o eAssist. Equinox, Terrain. LaCrosse; 2.4L. Air Injection

Pump. Assembly - SECD Air INJN (W/ BRKT). Secondary Air Injection. Smog.
An emissions component, that is part of the Secondary Air Injection system, which is responsible for Pumping clean Air into the vehicle's exhaust stream to promote a cleaner and more complete burn before the fumes exit the tailpipe.

Secondary Air Injection Pump

Fits Equinox, LaCrosse, Regal, Terrain

2.4 LITER, w/PZEV. 2.4 LITER, w/PZEV, w/o eAssist. Equinox, Terrain. LaCrosse; 2.4L.
Air Injection System Air Pump - Repair or Replace
A failed air injection pump or secondary air pump will often have no noticeable symptoms beyond a check engine light, but it does cause your to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and genuine parts.