Iowa Repair Shop - Fairfield, Iowa

Iowa Repair Shop - Fairfield, Iowa We are a family owned heavy duty parts and service shop that keeps semi trucks moving. Call us for your heavy duty parts and service needs!
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We are a certified Cummins dealer that does full overhauls or can drop ship parts straight to you. "No mobile information will be shared with third parties/affiliates for marketing/promotional purposes. All the above categories exclude text messaging originator opt-in data and consent; this information will not be shared with any third parties".

09/02/2026

Work smarter when you’re pulling enough of these.

We built this lifting bracket to keep the head level and give us more control while lifting it with the overhead crane.

The other big thing? Keeping that heavy steel head away from the aluminum front structure. Get it in a bind and you could turn a good front structure into a leaking or cracked one.

Next up: inspecting the head and block and measuring liner protrusion.

09/01/2026

IARS MERCH IS LIVE! 🔧 iowarepairshop.com

Hats, shirts, koozies, playing cards, and more are officially available — with sweatshirts and more coming soon.

Grab a hat and a shirt and we’ll even throw in some koozies!

08/31/2026

An ABS light doesn’t always mean a bad sensor.

On this one, we had two wheel speed sensors not reading. Once we got underneath it, we found seeping wheel seals packing the tone rings full of debris.

You can clean it up and get the sensor reading again, but that doesn’t fix what caused it. We’re pulling both sides apart, replacing the wheel seals, and getting the ABS system working the way it should.

08/30/2026

This one had to come off the road and get towed into the shop.

A failed Detroit power divider meant it was time to tear in, get it back together, and take care of the wheel seals and bearings while we were at it.

Almost ready to get back on the road and back to hauling freight. 🔧

08/29/2026

Just another normal day at Iowa Repair Shop… 😂

Apparently the Tin Man picked up a shift with us.

08/28/2026

Looking for a better manifold?

We keep these one-piece, ceramic-coated manifolds in stock for Detroit 60 Series, C15s, Cummins, and more. They come with the hardware you need, and the best part? A lifetime warranty.

Need one? Give us a call and we can ship it directly to you.

08/27/2026

Some of you have been asking… and IARS merch is almost here! 👀

We’ve got hats, shirts, koozies, playing cards, and more on the way. We’re getting our online shop set up now and will let you know as soon as it’s live!

Who’s grabbing some IARS gear? 👇

08/26/2026

Remember that homemade blow-by setup? Let’s take a closer look at how it actually works.

The idea is pretty simple: separate the oil from the air, catch what would’ve ended up all over the truck, and give the blow-by somewhere to go.

After seeing what it caught, we’ve gotta give him credit, this homemade fix worked pretty dang well.

What do you think of his setup?

08/25/2026

Every bay is FULL.

In-frames, AC work, air leaks, electrical issues, harvest prep, engine work… there’s a little bit of everything happening in the shop right now.

Busy is a good problem to have, and we’re keeping things moving to get these trucks back on the road as quickly as we can and get the job done right.

08/24/2026

What are you running in your parts washer?

We’ve been using Zep recirculating spray wash detergent and it does a pretty good job, but we’re always looking for something better.

What detergent are you using in your shop, and why do you recommend it? Bonus points if it cleans well without eating aluminum.

Address

1908 Business 34
Fairfield, IA
52556

Opening Hours

Monday 7am - 4pm
Tuesday 7am - 4pm
Wednesday 7am - 4pm
Thursday 7am - 4pm
Friday 7am - 4pm

Telephone

(641) 919-8199

Website

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