Vehicle Identification

NOTE: This article applies to "old style" "C" & "K" Series vehicles equipped with 5.7L, 6.5L and 7.4L engines. For "new style" "C" & "K" Series vehicles equipped with 4.3L, 4.8L, 5.3L and 6.0L engines, see STARTERS -- SIERRA, SILVERADO, SUBURBAN, TAHOE, YUKON & YUKON XL article.

Vehicle model is identified by fifth character of Vehicle Identification Number (VIN). VIN is stamped on metal pad on top of left end of instrument panel, near windshield. A fifth character of "C" designates vehicle as a 2WD. A fifth character of "K" designates vehicle as a 4WD.