1998 Chevrolet K1500 Suburban
OEM: 604-100, Item: 44497
Temperature door/Aux. unit, usually found on vehicles with Manual A/C control.
OEM: 76899, Item: 259209
Contains 3 different temperature control knobs for various GM models (one red, one blue, one white) . Multiple sets will be required if you need more than one of the same style knob.