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Welcome to BAR-M Performance auto parts store website

We offer many automotive parts and tractor/farm equipment parts

Oil and Fuel testing

We use a certified independent Lab for all testing. This is an add-on service, we don't make any SIGNIFICANT sum of money offering these services. We do this to help our customers

About Us

We aim to win your business


Small  family owned business auto parts store located near Marshfield where all our customers are treated like family and friends.

We will work hard for our customers


We will go above and beyond to get you parts and products that meet and exceed your needs

Community oriented


Loyalty to our customers and our community 


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Contact Us

Drop us a line!

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Better yet, see us in person!

We love our customers, so feel free to visit during normal business hours. We recommend that you call beforehand in case we are on deliveries etc. 

BAR-M Performance

5689 Elm Road Auburndale, WI 54412

(715)502-2218 email:


Best to call ahead, as we are family owned  and operated business and we may be not always at store. We do try to respond to all calls quickly. 


Will my oil pressure or idle RPM change when I switch to AMSOIL?

They might not always. AMSOIL motor oils reduce friction better than conventional oils, and friction directly affects oil pressure and idle speed. Less friction in the engine can lead to lower oil pressure and more rpm at idle.

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My Blog

Welcome to our updated website, we are making some changes to adapt to our customers needs and wants. We are striving to provide quality products and service to all our customers. We may not  have everything you can find at your local big box auto parts store. But we can certainly get many things they stock and much more. We also can get products for tractors, farm equipment and small engines this where we hope to fill in a vital gap in Central Wisconsin. We offer quality lubricrants such as