GM Duramax LML - Grid Heater Throttle Valve Delete (2011-2016)
Type: Accessories
Free your Duramax from intake restrictions—stronger airflow, cooler temps, and better response.
Unlock true airflow potential in your 2011–2016 LML Duramax with this Grid Heater Throttle Valve Delete. The stock throttle valve creates a bottleneck in the intake system, especially on tuned or modified trucks. This billet aluminum replacement removes that restriction, improving throttle response, lowering EGTs, and delivering smoother airflow.
Vehicle Fitment
- ✅ 2011–2016 GMC Sierra 2500HD/3500HD 6.6L Duramax LML
- ✅ 2011–2016 Chevrolet Silverado 2500HD/3500HD 6.6L Duramax LML
Specifications
| Feature | Details |
|---|---|
| Product Type | Throttle Valve Delete |
| Material | Precision-machined billet aluminum |
| Finish | Raw billet – durable and heat resistant |
| Seal Type | O-ring (included) |
| Hardware | Mounting hardware included |
| Installation | Direct bolt-in replacement |
| Application | Tuned or modified Duramax builds |
What’s Included
- Billet aluminum throttle valve delete body
- O-ring seal
- Mounting hardware (bolts, fittings)
Key Features
- Billet Aluminum Construction – Strong, heat-resistant, and built to last
- Improved Airflow – Eliminates restrictive OEM throttle valve
- Direct Fit Design – Installs in place of the stock valve with no mods
- Complete Kit – O-ring seal and hardware included for a leak-free install
Benefits
- Better throttle response and smoother airflow
- Lower exhaust gas temperatures (EGTs) under load
- Reliable performance for tuned or aftermarket builds
- Simple, effective upgrade with noticeable gains
Important Notes:
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Your satisfaction is important to us. If you wish to return an item or request a refund, please review the terms and conditions outlined in our Returns Policy.
Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
