Buy 1999 Toyota TACOMA DELUXE 2700CC EFI, AUTOMATIC 4-SPEED Secondary Air Injection Pump (Right). 2.7 Promote, Pumping - OEM Toyota Part # 176100C040 (17610-0C040)

Pump. Air.
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 Injection. Smog.

Fits 4RUNNER

2.7 LITER. 4Runner; 2.7L. GX460.
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 1999 TOYOTA TACOMA to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and TOYOTA genuine parts.