Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 1999 Toyota 4 Runner 2.7L Engine - Calif Emissions - 2 Wheel Drive - Auto Trans Oxygen Sensor Kit.

Period. No Hassle. GUARANTEED.

We cover round trip shipping if we make a mistake.

Check out the video below to view the Guaranteed Exact Fit process from start to finish!