ZQ8
ZQ8 is an RPO code designation for the Chevrolet S-10 , GMC Sonoma , and Chevrolet Colorado . 
<triplet> ZQ8 <subj> RPO code <obj> instance of <subj> Chevrolet S-10 <obj> applies to part <subj> Chevrolet Colorado <obj> applies to part <triplet> Chevrolet S-10 <subj> Chevrolet Colorado <obj> followed by <triplet> GMC Sonoma <subj> Chevrolet Colorado <obj> followed by <triplet> Chevrolet Colorado <subj> Chevrolet S-10 <obj> follows