SWPDiesel
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Diesel repair, parts & performance for Cummins, Duramax & Power Stroke trucks. Casper, WY. We are Wyoming’s Diesel Performance headquarters!
We sell, service and install all diesel performance brands such as Industrial Injection, Edge, Bully Dog, AFE, FASS, AirDog, Smarty, Fox, Cognito, BDS Suspension, American Force, Fuel, Bilstein, Valair, and SouthBend Clutch – just to name a few. We are not your run of the mill accessory shop trying to jump on the diesel bandwagon. Second Wind Performance started in 1999 and specializes in diesel performance and durability for your truck. Not only that, we are also a full on diesel pickup repair facility. Located centrally in Casper we have experience in all aspects of installs and uses. SWP has specialized in diesel, power, performance, fuel economy and keeping your vehicle maintained for 30+ years. We buy at a great price so we can pass it on to the customer. We are set-up to have you see the product in our showroom and can also take phone orders. We can ship directly to you. Please check out the rest of our website and give us a call. You will be glad that you did.
08/13/2026
Engine failed or need an upgrade or performance build?
Don't wait weeks for parts and gamble on a rebuild that won't hold up.
SWP Diesel Performance has DEMT-built long blocks IN STOCK right now, ready for work, towing and adding power!
DEMT Performance Engines 6.6L LML Duramax Long block and 6.7L Powerstroke Long block
We also carry 6.7L Cummins long blocks from 2007.5 to 2024!
Built right. Ready to work, Ready to ship or Install. Call or message us today, let's build your power.
04/09/2026
If you own a 6.7 Powerstroke or LML Duramax, the CP4 pump is a known failure point.
When it fails, it can contaminate the entire fuel system.
We’re offering a $200 Installation Credit on S&S Diesel DCR & CP3 Conversions from Industrial Injection through April.
Call 307-232-0464 to schedule your conversion today!
04/05/2026
Matthew 28:6
He is not here, for he has risen, as he said. Come, see the place where he lay.
02/12/2026
Interested in upgrading your ride?
Got some tax return money coming soon?
We are a dealer and Installer for BDS Suspensions!
Give us a call to see how we can upgrade your ride with BDS lift kit and why not pair it with some sweet wheels and tires too?
11/12/2025
🔥 NEW WEBSITE LAUNCH! 🔥
SWP Diesel Performance is now online — your one-stop diesel performance shop for the best brands in the industry.
We stock thousands of parts right here in our warehouse, and we’re constantly updating our inventory daily. Some items may ship directly from the manufacturer when not in stock — but either way, you’re supporting a local Wyoming diesel shop that knows your truck inside and out.
💪 We stock and sell only the best brands in the industry, so if it’s on our website — you know it’s quality.
🧰 Shop quality. 💪 Shop local. 🚛 Shop SWP Diesel.
👉 Visit SWPDIESEL.NET
to browse parts or schedule service today.
08/19/2025
August Specials!
Don't let lack of maintenance cause costly repairs or time without your vehicle.
Call us today to Schedule your Service with a free Multi Point inspection to keep your vehicle on the road and safe!
You can also schedule your appointment on our website and tell us exactly what's wrong without the phone call! https://www.swpdiesel.net/
Yes we can! Let us know how we can help with your truck repairs or upgrades! 🚚💨🔧💪
Wyomings Diesel Performance Headquarters!
We carry a large amount of aftermarket parks for your Duramax, Cummins or Powerstroke including select Eco Diesels!
Call us today or visit our store location to see how we can help you with your light duty diesel repair or Performance and street track needs!
02/04/2025
Black flooring was a little boring! Spiced things up today for SWP Customers!
02/02/2025
Coming soon at a shop near you! Almost done repainting our show room! Wait for it....
Click here to claim your Sponsored Listing.
Contact the business
Telephone
Website
Address
1909 Salt Creek Highway
Casper, WY
82601
Opening Hours
| Monday | 7:30am - 5:30pm |
| Tuesday | 7:30am - 5:30pm |
| Wednesday | 7:30am - 5:30pm |
| Thursday | 7:30am - 5:30pm |