Parts Sales




Is Job 1"

Tim Simenson

Outside Sales and Route Development MANAGER

Tim has held several positions at Mills Parts Center since 1984, including parts sales, route representative and route manager. He was also a sales consultant for Manley Motors before it was acquired by Mills in the late 1990’s. His sales background also includes positions with Automotive Parts Solutions for 12 years and Haug Kubota for two years.  Born and raised in Willmar, Tim attended the automotive parts program at what is now Ridgewater Technical College. Tim and his wife, Beckie, principal of Litchfield Middle School, have two children, Kyle, and Katherine, a Willmar Fest princess in 2006-2007. The family includes three grandchildren.  Tim raced snowmobiles for eight years with his son, Kyle, who retired in 2006 as a semi-pro for Arctic Car and Polaris. He is also active with Willmar Cardinal Proud and Pheasants Forever, and is a state firearms instructor. Outside of work, Tim enjoys hunting, fishing, all motor sports and time on the lake with family and friends.

Mills Parts Center     Phone: 320-214-5400     Toll Free: 800-247-1158     Fax 866-235-6700     Email: mpc@millsauto.com

About us

Our business is about enhancing yours!  We offer:  Over $9 Million in inventory for efficiency and improved cycle time;  The largest crash parts in the Upper Midwest;  20 experienced Specifiers with 400+ years of Parts Experience;  20 professional Delivery representatives;  29 Dedicated warehouse employees;  7 OEM lines from our newly expanded, state-of-the-art 158,000 sq. ft. facility;  Hassle-Free Daily Return Pickup and Progressive Volume Purchase Discounts!   At the Mills Parts Center, CUSTOMER SERVICE IS JOB # 1!

core values

Honesty and Integrity

We will be truthful, straightforward, and act with moral character in every facet of our business and interactions.  We will always do what is right, not what is easy, cheap, popular, or convenient, and we will do so without excuse and regardless of the cost.


We will serve one another, our Guests, and our Customers quickly, and find reasons to do things NOW, rather than to delay, debate or procrastinate.

Responsibility and Accountability

We are responsible for satisfying the needs of our Guests and Customers for all products and services.  We are individually accountable for our own performance to achieve our expected results, and to demonstrate to our Guests and Customers that we are enthusiastic about them.

Personal and Corporate Growth

We will all work as hard on ourselves as we do on our job.  Getting better is the ONLY option.  Our individual and collective growth enhances the quality of our lives and contributes to the realization of our dreams and aspirations.


We will put the good of the Team before the personal comfort or agenda of any individual Team Member.  To maximize our collective impact, we inspire, challenge and support each other to be our best and achieve our Team's common purpose.

We are a team of high achieving individuals!  We express our passions, desires, and drive through our creative and fun energy every day!  We create a fun and upbeat culture in which our goals are met, our purpose thrives, and we exude joy!

Mission statement

Since 1922, Mills has built a family tradition of trust through honesty and integrity.  We are a high achieving, results oriented Team, who express our individual passions, desires and drive through our creative and fun energy every day!  We develop mutual, long-term relationships with our Guests and Customers by exceeding their expectations, and creating world class experiences!

Rob Baker

Parts Director

Rob has been with Mills for 32 years. He is currently the acting Parts Director. He enjoys working one on one with our customers to establish strong working relationships. Service is always a priority with our Team! He and his wife, Janice, have a son, Jason and 2 grandsons, Chase and Kolby. Together they enjoy camping, snowmobiling, boating, restoring cars, and spending time together.

Are you seeking a rewarding career with great benefits? 

Click below to view Employment Opportunities with the Mills Automotive Group

Susan Tagtow

ASR and AR Collections Manager

A long-time veteran of Mills Parts Center, Susan joined Mills in 1994 after previously working at JC Penney’s and Manley Auto. She was also a supervisor at Caribou Coffee. “I love work and whatever I do, I do with passion from my heart and I have fun,” Susan says. Originally from the Green Lake area near Spicer, Susan is a graduate of Atwater High School. She is busy in the lives of her two children and four grandchildren. Susan also loves dogs and antiques.