

LLY-LML Duramax Boost Leak Tester Kit
🛠️ Boost Leak Tester Kit – Turbocharger System Pressure Tester for New Installs & Builds
Protect your turbo investment and maximize performance with our Boost Leak Tester Kit, designed for high-pressure testing of your intake system. Whether you're installing a new turbocharger or assembling a fresh high-performance build, identifying and fixing boost leaks is critical for turbo reliability and longevity.
Even if you’re hitting peak boost numbers, hidden leaks can force your turbo to work harder—leading to elevated shaft speeds, increased bearing wear, and premature turbo failure. This easy-to-use tester helps you locate and correct leaks before they become costly issues.
🚀 Key Features & Benefits:
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✅ Designed for High-Pressure Leak Testing (Great for Custom Builds & New Turbo Installs)
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✅ O-Ring Sealed for Maximum Air Retention Under Pressure
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✅ 45° Elbow Fitting & Air Hose Fitting Included – Ready to Connect to Shop Air
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✅ Optional Heavy-Duty V-Band Clamp – Upgrade for Secure Sealing
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❌ Note: OE-Style Worm Drive Clamp Not Included
🔧 Why Boost Leak Testing Matters:
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Prevents premature turbocharger failure
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Ensures efficient spool-up and consistent boost delivery
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Reduces unnecessary turbo shaft speed and bearing wear
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Saves time and money on diagnostics and repairs
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Ideal for diesel trucks, high-boost gas applications, and competition builds
🔥 Perfect For:
Diesel builds · Race applications · Tuning shops · Performance upgrades · 6.7L Cummins · HX35/HX40 · GT55 · S400/S300 setups and more!
🧰 Get Accurate, Reliable Boost Pressure Readings – Before It Costs You.
Order your Boost Leak Tester Kit today and keep your turbo running stronger, longer.
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Ships within 1-2 business days.
Free shipping & returns

LLY-LML Duramax Boost Leak Tester Kit
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.