Nearly 30 years of obsessively cataloging, photographing, and taking video of each part means it will fit your 1999 GMC Sierra Old Body Style and 4.3L. 5.7L. 7.4L [HT6 Compressor] [ w/ Rear AC] A/C Condenser.
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!