Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Bosch one duchshe diggings from the category Automobile Parts & Supplies Manufacturers California in the state, located in the city by the address 4641 East Guasti Road Ontario, CA (California) 91761-8105. To clarify all the issues can be contacted by phone (909) 975-7000 . Location Bosch you can see on the interactive map. </br></br><b>Opening Hours</b></br></br>Monday 8:00 AM – 4:00 PM</br>Tuesday 8:00 AM – 4:00 PM</br>Wednesday 8:00 AM – 4:00 PM</br>Thursday 8:00 AM – 4:00 PM</br>Friday 8:00 AM – 4:00 PM</br>Saturday - 8:00 AM – 2:00 PM</br>Sunday - Closed Your comments* (not for publishing) * — Required information Bosch ← View details 4641 East Guasti Road Ontario, CA (California) 91761-8105, Ontario, California (909) 975-7000