Buy OEM General Motors Part # 15693423. Transfer Case Switch. 4WD, engagement, 1/2 ton. 4WD, engagement, 3/4 ton, 7200 GVWR. 4WD, engagement, 3/4 ton, 8600 GVWR. All Models; Over

All Models; All; Over 7500 GVW; GVW 8600. All Models; All; Under 7500 GVW. All Models; Heavy Duty; Over 7500 GVW. All Models; Heavy Duty; Under 7500 GVW. All Models; Inner. All Models; Outer. All Models; Over 7500 GVW; Left. All Models; Over 7500 GVW; Right. All Models; Standard. All Models; Under 7500 GVW; Left. All Models; Under 7500 GVW; Right. Heavy Duty; 2500 Series. Heavy Duty; 3500 Series.

1/2 ton. 3/4 ton. 4WD. 7200 GVWR. 8600 GVWR. differential. engagement. GVW 7200. GVW 8600.