Serving St. Charles County and the Surrounding Areas

Mid-Nite Auto Supply Inc - logo
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Offering quality auto parts since 1978

Looking for quality, name-brand auto parts? Know that Mid-Nite Auto Supply Inc has you covered. From the simplest of car parts to those hard-to-find items, we can help you find what you're looking for.


We serve all types of customers, from large auto repair shops to individual do-it-yourselfers. It's something we've been doing since 1978!

Expect great customer service

Our professionally-trained employees are here to make sure you're able to find the auto parts you need so that you can get your vehicle back on the road promptly. We'll do our best in preparing you for what you might encounter during the process of installing your new replacement parts.

Find all the auto parts you need

At our store, you can get replacement parts for your domestic or foreign car, including:

  • Engine parts

  • Brakes

  • Batteries

  • Aftermarket auto parts

  • Accessories

  • Tools and gauges

  • Fuel pumps

  • Alternators

  • Starters

  • Water pumps

  • Shocks

  • Air filters

  • Oil filters

  • Oil

  • Belts

  • Rotors

  • Windshield wipers

  • Fluids and much more

Going the extra mile for your auto repair shop

If you run an auto repair shop, you've got a lot on your plate. To help you out, we offer same-day delivery of auto parts. If you're interested in having our reliable company become your auto part supplier, give us a call at 636-447-4000. We look forward to serving you!