Choosing the Right Turbo for Your Cummins ISX Engine (AirTec and Zeki Turbo Options)

When it comes to upgrading your Cummins ISX engine, the right turbo makes all the difference. Whether you're looking for a reliable factory upgrade or chasing serious horsepower gains, Texas Truck Market has the AirTec and Zeki Turbos you need to get it done.

We stock turbos for stock replacements, performance builds, and racing-level setups — and if you need injectors or other performance upgrades to match, we’ve got you covered. 🛠️💨

Here’s a breakdown to help you pick the perfect Cummins turbo:

Stock Replacement Turbos (475-500 HP)

If you need a reliable replacement that fits like stock but gives a little extra strength and airflow, these are your go-to options:

✅ AirTec 75/1.32 Cast (S400) (Part #053682)
✅ Zeki 75/1.32 (S400) (Part #052380)
✅ AirTec 75/1.32 Cast (S410) (Part #053821)
✅ Zeki 75/1.32 (S410) (Part #054071)

Best for:

• Stock Cummins ISX engines

• Everyday work trucks needing a fresh turbo

• Drivers looking for a simple, durable upgrade without major tuning

Performance Turbos (500-585 HP)

When you’re looking for more power, better airflow, and strong towing or hauling performance, these are the turbos that get it done.

✅ AirTec 76/1.32 Cast (S400) (Part #053218)
✅ Zeki 76/1.32 (S400) (Part #054346)
✅ AirTec 76/1.32 Cast (S410) (Part #053822)
✅ Zeki 76/1.32 (S410) (Part #053664)

Best for:

• Tuned Cummins ISX trucks

• Upgraded injectors and basic engine mods

• Drivers who want better throttle response and top-end power

Racing / High-Performance Turbos (585-605 HP)

When you’re pushing the limits, you need a turbo that can keep up. These turbos are built for high-boost, high-horsepower Cummins applications — featuring titanium wheels and heavy-duty internals.

✅ AirTec 78/1.32 Cast (Part #053111)
✅ Zeki 78/1.32 (Part #053228)
✅ AirTec 78/1.32 Titanium (Part #054037)

Best for:

• High horsepower builds (up to 605 HP)

• Racing, pulling, or heavy-duty performance trucks

• Trucks running high-flow injectors, upgraded heads, or cams

Need Injectors or Other Performance Upgrades?

Upgrading your Cummins turbo?
Make sure you’re feeding it the right amount of fuel! 🚛💥

We offer matched injectors, manifolds, and other performance parts to help you get the most out of your setup. More air + more fuel = serious power gains.

Talk to our team — we'll help you build a package that fits your goals perfectly. 🛠️

Why Buy Your Cummins Turbo from Texas Truck Market?

✅ Top brands: AirTec and Zeki Turbo
✅ In-stock, ready-to-ship inventory
✅ Real-world tested, not just dyno numbers
✅ Expert advice on matching turbos, injectors, and more

Ready to upgrade your Cummins ISX?
Call us today and let’s get you the right Cummins turbo for your truck! 📞