smart union 2 pack stove knobs for whirlpool gas range stoves with off med lo hi markings - replacement for w11159630 w11023139, stainless steel d-shaft, fits wfg525s0 wfg535s0 wfg550s0 series is up for auction in Appliances. This item is in Good Condition. This auction has ended — similar items appear in live auctions regularly.