OCD Diesel OCD Diesel
715-536-1835

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Parts department

Obsessed with the right parts.

The right part the first time beats the cheap part twice. Our parts counter is open to the public.

The OCD Diesel parts counter, with banners on the green wall

How we source

Right part. First time.

We verify fitment, buy from suppliers we trust, and install OEM or OEM-quality parts with real warranties behind them.

Quality brands, verified to fit, with a warranty behind them.

Quality new and reman parts are our go-to. But not every truck on the road is brand new, and we're not above tracking down the correct used part when that's what gets you rolling again.

Hard-to-find parts for older equipment? That's a challenge we like.

Calling or emailing for a part?

  • VIN. The fastest way to the right part.
  • Engine serial number for engine parts.
  • Part number off the old part, if you have it.
  • A photo of the part and any tags or stampings.

Need a part?

Call the main line and press 2 for parts, or email us the details.