Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 2001 Lexus GS400 4.3L Engine - for Cylinders 1,2,3,4 Fuel Injector.

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!