Muc-Off muc-off.com 1 ratings Add rating Rate your shopping experience with Muc-Off: Muc-Off is a mid-size auto replacement part store that markets products and services at muc-off.com. Muc-Off competes with other top auto replacement part stores such as ECS Tuning,Safelite and Extreme Terrain. Muc-Off sells mid-range purchase size items on its own website and partner sites in the extremely competitive online auto replacement parts industry. When it comes to offering discount codes,Muc-Off issues coupons and discount offers regularly but less frequently than competitors. Muc-Off is a newer,or medium to lower popularity brand when it comes to discount codes and promotion searches,with fewer shoppers actively searching for Muc-Off offer codes and deals each month. LifestyleAutomotiveAuto Replacement Parts