Tube-Fin Intercooler for 2011–2016 LML Chevrolet/GMC Sierra 2500HD 3500HD 6.6L Duramax | SPELAB

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Description

The SPELAB 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

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.

• All-Aluminum Construction: Compared to OE parts with mixed materials, this full-aluminum body delivers superior heat transfer and long-term durability.

• Sleek Appearance: Silver finish with a black SPELAB “S” logo—visually distinct from traditional bar-plate intercoolers.

• Ideal for OE Replacement: Perfect for vehicle owners looking to replace their original intercooler without the need for aggressive performance upgrades.

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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.

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