Tube-Fin Intercooler for 2011–2016 LML Chevrolet/GMC Sierra 2500HD 3500HD 6.6L Duramax
Tube-Fin Intercooler for 2011–2016 LML Chevrolet/GMC Sierra 2500HD 3500HD 6.6L Duramax
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Description
The Tube-Fin Intercooler is designed as a cost-effective, high-efficiency upgrade or replacement for the 2011–2016 LML 6.6L Duramax diesel engine. Utilizing an all-aluminum construction, this intercooler improves heat dissipation and ensures stable engine performance by cooling compressed intake air from the turbocharger. Ideal for daily driving, light-duty performance applications, or OE replacements, it offers excellent value and compatibility. For those seeking even higher performance, an upgraded bar-plate version is also available.
Fitment
- 2011–2016 LML Chevrolet/GMC Sierra 2500HD 3500HD 6.6L Duramax
Specifications
|
Core Thickness (Tube-Fin) |
64 mm |
| Material | Full aluminum alloy |
| Weight | 16.45 kg (36.3 lbs) |
| Package Dimensions | 122.6 × 17.8 × 75.5 cm (48.3" × 7.0" × 29.7") |
| Installation Location | Front-mounted, near the intake system |
Key Features
-
Tube-Fin Design (Brazed Core): Offers affordability and adequate cooling for daily and light-duty use; around 30% cheaper than bar-plate alternatives.
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All-Aluminum Construction: Compared to OE parts with mixed materials, this full-aluminum body delivers superior heat transfer and long-term durability.
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Sleek Appearance: Silver finish with a black “S” logo—visually distinct from traditional bar-plate intercoolers.
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Ideal for OE Replacement: Perfect for vehicle owners looking to replace their original intercooler without the need for aggressive performance upgrades.
FAQ
Q: Will this intercooler fit my 2015 GMC Sierra 2500HD?
A: Yes, it’s fully compatible with 2011–2016 LML Chevrolet/GMC Sierra 2500HD 3500HD 6.6L Duramax models.
Q: Is this an OEM replacement or a performance upgrade?
A: It functions as a higher-quality OE replacement with modest performance gains. A thicker bar-plate version is available for high-performance needs.
Q: How does this compare to a bar-plate intercooler?
A: Tube-fin designs are lighter and more cost-effective, though bar-plate versions offer better thermal efficiency and durability under extreme conditions.
Q: Is the intercooler core aluminum or mixed materials?
A: The entire intercooler is made from aluminum alloy, improving heat transfer and corrosion resistance.
Q: Is this suitable for towing or off-road use?
A: While it performs well under normal towing and off-road conditions, frequent high-load scenarios may benefit from a bar-plate upgrade.
Q: Is installation straightforward?
A: Yes, it installs in the stock location using factory mounting points.
Q: Does it come with installation hardware?
A: This listing is for the intercooler unit only—OEM mounting hardware is reused.
Q: Will it improve fuel efficiency?
A: Cooler intake air can marginally improve combustion efficiency, potentially enhancing fuel economy under load.
Q: Does this fit modified turbo or piping setups?
A: Fitment is guaranteed for OEM setups. For aftermarket systems, please check intercooler dimensions.
Fast Shipping Policy
Your order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date.
Easy Return Policy
Every order comes with a 14-day free return, which means you don't have to pay for a return slip.
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- One-Year Warranty
- 14-Day Return
- 4-12 Days To Arrive

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Can l use a delete tuner withoutphysically removing TheDPF/DEF/EGR parts?
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Quite the opposite. In fact, many customers reportimproved engine life, smoother shifting, and betterfuel economy (typically 3-5 MPG gains) when usinga quality delete tuner.
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Do delete tuners void my warranty?
Yes. Any emissions-related modification, includingtuning, can void the manufacturer's warranty. Manycustomers wait until after their warranty expiresbefore deleting.
Do l need a mechanic to install thetuner? How long does installationtake?
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