Serving Rapid City, SD and the Surrounding Areas

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Purchase top-notch auto parts

Did you know that the professionals at RNJ Auto Inc stock a full line of automotive parts offered at wholesale prices to the general public? Choose from all major brands of automotive parts.

Secure parts for your vehicle

Pick up the diesel and standard vehicle parts you need. Ask about our competitive parts prices and low labor rates.


Contact a family owned and operated repair shop offering FREE estimates and military and senior citizen discounts.

Save money on auto parts

We offer auto parts at competitive prices. Call:


Inquire about manufacturer warranties on ACDelco and Ford products.