Why Choose the SPEtuner Duramax PCV Reroute Kit?
If you're looking for the best PCV reroute kit for Duramax engines, SPEtuner delivers proven performance and unmatched durability.
As a trusted name in high-performance diesel upgrades, our kits are precision-engineered to help you eliminate oil blow-by, improve combustion efficiency, and protect your turbo system.
Compatible with a wide range of Duramax engines — from 2001 LB7 to the latest 6.6L L5P — this kit is the go-to solution for anyone serious about long-term engine health.
👉 Scroll down for complete compatibility, key features, and real-world benefits.
Reduce Oil Buildup and Protect Your Turbo & Intake System
Tired of finding oil in your Duramax intercooler or intake piping? The SPEtuner PCV Reroute Kit solves this common problem by redirecting crankcase gases before they contaminate your intake system.
By keeping oil out of the turbo, intercooler, and combustion chambers, the kit improves throttle response and fuel economy and extends the lifespan of your turbocharger and EGR components.
It's the ultimate Duramax oil blow-by solution — simple, effective, and built for results.
Durability You Can Count On — Built to Last in Any Environment
The SPEtuner Duramax PCV Reroute Kit is built using premium, heavy-duty materials designed to thrive under pressure. Whether hauling, towing, daily driving, or going off-road, this kit can handle the heat, grime, and vibration of your toughest jobs.
From the older 6.6L LB7 to the modern 3.0L Duramax 1500, it’s a long-term investment in engine protection and reliability. No leaks, plastic parts, shortcuts — just rugged performance you can trust.
Effortless, DIY-Friendly Installation — No Tune Required
The SPEtuner Duramax PCV Reroute Kit was designed with simplicity in mind. With its precise bolt-on fit and step-by-step instructions, even first-time installers can complete the job in under 1–3 hours using basic tools.
There is no cutting or special tuning—just a clean, seamless install that fits like OEM. Whether working on a 6.6L LB7 or a 2024 L5P, this DIY-friendly solution is built for convenience.
👉 Get it installed fast, and start protecting your engine today.
https://spetuner.com/pages/spetuner-instruction-guide
Engine Compatibility — Built to Fit Every Generation of Duramax
SPEtuner offers multiple PCV Reroute Kit options tailored for different Duramax platforms. Whether your truck is a classic 6.6L LB7 or the latest 2024 L5P, we’ve got the right fit.
Compatible Engines Include:
- 6.6L L5P (2020–2024, 2017–2019)
- 6.6L LML (2011–2016)
- 6.6L LMM (2007.5–2010)
- 6.6L LLY/LBZ (2006–2007)
- 6.6L LLY (2004.5–2005)
- 6.6L LB7 (2001–2004)
- 6.5L (1992–2000)
- 3.0L Duramax 1500 (2020–2024)
- 2.8L LWN (2016–2019)
No matter the year or model, our Duramax PCV reroute kit compatibility ensures you get a kit that fits, functions, and protects.
Still unsure which kit is right for your truck? Contact us — we’ll help you choose.
Key Benefits You’ll Notice Right Away
🛠️ Advanced Oil Separation
Say goodbye to oily intake pipes. Our kit is an effective Duramax oil separator that keeps your combustion system clean and reduces blow-by gas power loss.
🔧 Turbo & Intake Protection
Block oil contamination in your turbo and intercooler to prevent costly damage. This will ensure longer life for your high-dollar components and more reliable power under load.
🚫 Low-Maintenance Design
There are no filters to replace, no canisters to drain, and this is a true set-it-and-forget-it crankcase vent solution that performs silently in the background.
🔩 Built to Handle Real-World Abuse
With premium fittings, high-temp hoses, and corrosion-resistant hardware, this heavy-duty Duramax reroute kit is ready for anything — from towing to trail riding.
Frequently Asked Questions about SPEtuner Duramax PCV Reroute Kits
1. How does the SPEtuner PCV Reroute Kit improve Duramax engine performance?
By rerouting crankcase gases and separating oil vapors before they enter your intake, the kit enhances combustion, throttle response, and engine longevity.
2. Will the PCV reroute kit trigger error codes or check engine lights?
It may trigger DTCs on specific stock setups. While it won’t affect everyday driving, pairing with a compatible tuner (e.g., Mini Maxx) is recommended to clear or suppress codes.
3. Is this kit compatible with all Duramax engines?
Yes. Kits are available for L5P, LML, LMM, LB7, LLY, LBZ, and more. Check the compatibility list above for details.
4. Will this kit void my factory warranty?
Installing any aftermarket emission-related part may impact your warranty. Please confirm with your dealer before installation.
5. What’s the difference between the Standard and Functional versions?
The functional version includes enhanced coolant routing and internal baffling for improved oil separation, ideal for heavy towing or hot climates.
6. Can I install this kit on a stock truck?
Yes. The kit fits stock configurations and requires no permanent modifications. A tuner may help if CEL codes appear.
7. How long does installation take, and is it DIY-friendly?
Installation takes about 1–3 hours with basic tools. The kit is entirely bolt-on and DIY-ready, requiring no cutting or tuning.
8. Will the kit leak oil over time?
Some minor condensation may appear, which is normal. Ensure all fittings are appropriately tightened during installation to minimize seepage.
Ready to Fix Oil Blow-By and Boost Your Duramax Performance?
Don’t wait for oil to clog your intake or damage your turbo. The SPEtuner Duramax PCV Reroute Kit is your simple, proven upgrade to fix oil blow-by, protect key components, and restore lost power.
Whether you drive daily, tow heavy loads, or just want cleaner combustion, this kit delivers real results with minimal effort.
👉 Order now and give your Duramax the long-term protection it deserves.
✅ Fast shipping across the US & Canada
✅ Built to fit all major Duramax platforms (2001–2024)
✅ Backed by diesel performance experts at SPEtuner
⚙️ Clean engine. Stronger performance. No more oil mess.
Upgrade your crankcase system today.
Disclaimer SPETUNER’s delete kits are intended for off-road or racing use only. They may not be street-legal in all areas, so please verify local laws before installation. Professional installation is strongly recommended to ensure the best results.