Whirlpool Dryer Knob Part 8181859 Plastic Imported EXTREMELY DURABLE so when you insert your # 8181859 knob onto your Whirlpool dryer it doesn't break or cause you to purchase anything extra. EASY TO INSTALL! Just remove your old Whirlpool dryer knob and place this bad boy in it's place and then BAM! You're done. Get right back to drying your clothes. SIMPLE TO USE because let's be honest, it's a knob! Just turn it to select the option you want on your dryer. This knob fits Whirlpool models 7MGHW9150PW0, 7MGHW9400PW0, GHW9100LQ0, GHW9100LQ1, GHW9100LQ2, GHW9100LW0, GHW9100LW1, GHW9100LW2, GHW9150PW0, GHW9150PW1, GHW9160PW0, GHW9160PW1, GHW9200LQ0, GHW9200LW0, & GHW9250ML0 dryers. LONGER DRYER LIFE! You would be surprised how many people throw away their dryers the second something breaks. well, now you don't have to if your knob breaks. Simply insert this little guy in the old knobs place and it will be like nothing ever happened! GUARANTEED SATISFACTION because of a 30 day full money bank guarantee and a trusted Think Crucial warranty. We are so confident in our products that we have no problem giving you every penny back if you're unhappy with your purchase. You won't see promises like that from big box brands!