Stacy B Plano , TX August 02, 2015 Appliance: General Electric Electric Dryer DWSR483EG8WW Ge Dryer Dwsr483eg8ww: Dryer timer. How to replace Timer Knob Assembly. Simply swapped out the old for the new. The real benefit of ordering from appliance parts is the speed of the parts arrival I've been ordering parts for years and always get them quickly. The last two times, they arrived nearly overnight! Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes