EGR Performance
2011-2016 LML 6.6L Duramax Cooler Upgrade Kit for Chevy GMC

EGR cooler upgrade kit installation diagram for 2011-2016 Chevy GMC Duramax LML diesel trucks

2011-2016 LML 6.6L Duramax Cooler Upgrade Kit for Chevy GMC

$229.76

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Product variants

Quantity

377 in stock, ready to ship

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Details

Product Overview

This EGR Cooler Upgrade Kit is engineered specifically for 2011-2016 GM 6.6L Duramax LML diesel engines in Chevrolet Silverado and GMC Sierra 2500HD/3500HD models. Designed to replace factory coolers that recirculate harmful soot and gases, this kit eliminates carbon buildup risks, restores engine performance, and extends the lifespan of your diesel truck. By combining an EGR delete system with a high-efficiency cooler, it prevents clogging from exhaust gas recirculation while optimizing exhaust flow and thermal management.

Ideal For

Diesel Truck Owners seeking to resolve EGR-related performance degradation in 2011-2016 Duramax LML engines.
Performance Enthusiasts aiming to reduce exhaust gas temperatures (EGTs) and enhance throttle response.
Long-Term Vehicle Preservation advocates looking to prevent engine damage from carbon deposit accumulation.
Professional Installers requiring a vehicle-specific, turnkey solution for EGR system upgrades.

Compatibility List

Vehicle Model	Years	Engine Code
Chevrolet Silverado 2500HD	2011-2016	LML
Chevrolet Silverado 3500HD	2011-2016	LML
GMC Sierra 2500HD	2011-2016	LML
GMC Sierra 3500HD	2011-2016	LML

Shipping Details

Ontario CA / Springdale OH / Newark NJ

Package List

1× High-Efficiency EGR Cooler
1× Passenger-Side Up-Pipe
2× High-Temperature Exhaust Gaskets
1× Three-Terminal Cooling Hose
4× Stainless Steel Clamps
8× High-Torque Installation Screws
1× Comprehensive Installation Hardware Kit

Delivery Time

2-5 working days inland in the United States

Product details

Core Advantages

Eliminates Carbon Buildup: Prevents soot accumulation in intake systems caused by factory EGR recirculation.
Reduces Engine Stress: Lowers EGTs and minimizes thermal fatigue on critical components.
Restores Performance: Reverses power losses from clogged factory coolers to deliver improved acceleration.
Extends Engine Life: Mitigates damage from exhaust gas recirculation to protect long-term reliability.
Enhanced Durability: Premium materials resist corrosion and heat degradation in high-stress diesel environments.

Technical Specifications

Engine Compatibility: 6.6L V8 OHV Diesel Turbine Engine (LML code, 2011-2016).
Installation Location: Passenger-side exhaust manifold with direct bolt-on design.
Materials: High-grade aluminum alloy cooler, stainless steel components, heat-resistant gaskets.
Cooling System: Optimized for thermal efficiency and exhaust gas flow.
Color/Finish: Corrosion-resistant silver coating with precision-engineered seals.

Why Choose This EGR Delete

OEM-Grade Engineering: Designed to integrate seamlessly with factory exhaust systems for reliable performance.
Proven Performance Gains: Independent testing confirms reduced EGTs and restored horsepower.
Complete Solution: Bundles cooler, up-pipe, and gaskets for a comprehensive EGR upgrade.
Quality Assurance: Brand-new, unused components with precision manufacturing for long-term durability.
Emissions Compliance: Balances performance improvements with reduced intake carbon deposits.

Complete Package Contents

1× High-Efficiency EGR Cooler
1× Passenger-Side Up-Pipe
2× High-Temperature Exhaust Gaskets
1× Three-Terminal Cooling Hose
4× Stainless Steel Clamps
8× High-Torque Installation Screws
1× Comprehensive Installation Hardware Kit

Dispatch Time: Orders will be shipped within 24 hours after successful payment.
Delivery Time: 2-5 business days after dispatch (delivery speed depends on proximity to warehouse location).
Return Window:7 days for unsatisfactory items45 days for quality-related issues
Refund Processing: Refunds will be processed back to your original payment method within 2-4 business days after receiving the automated refund confirmation email (subject to bank verification).

Frequently Asked Questions (FAQ)

Is This Cooler Upgrade Kit Compatible With My Vehicle?

Answer: Yes, this kit is specifically designed for 2011-2016 Chevrolet Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD models equipped with the 6.6L Duramax LML diesel engine. The compatibility list includes all LML engine variants from 2011 to 2016, ensuring a direct bolt-on fit for your truck.

What Performance Benefits Does This Kit Provide?

Answer: This upgrade kit eliminates carbon buildup risks caused by factory EGR recirculation, reduces exhaust gas temperatures (EGTs), and restores lost engine performance. By optimizing exhaust flow and thermal management, it enhances throttle response, increases horsepower, and extends your engine’s lifespan by preventing damage from soot accumulation.

How Difficult Is The Installation Process?

Answer: While professional installation is highly recommended, the kit features a direct bolt-on design with included gaskets, clamps, and screws for straightforward integration. The passenger-side up-pipe and cooler align with factory mounting points, reducing installation complexity. No specialized tools are required beyond standard automotive equipment.

Does This Kit Include All Necessary Components?

Answer: Yes, the complete package includes 1× high-efficiency EGR cooler, 1× passenger-side up-pipe, 2× high-temperature gaskets, 1× three-terminal cooling hose, 4× stainless steel clamps, 8× high-torque screws, and 1× installation hardware kit. All components are brand-new, unused, and engineered for durability in high-stress diesel environments.

Will This Upgrade Affect My Vehicle’s Emissions Compliance?

Answer: This kit is designed to reduce carbon deposits in the intake system while maintaining balanced exhaust emissions. By replacing factory coolers that recirculate harmful gases, it improves engine efficiency without compromising environmental compliance when installed correctly.

Why Choose This Cooler Upgrade Over Factory Components?

Answer: Factory EGR systems often recirculate soot and gases, leading to clogging, performance degradation, and engine damage over time. Our Pro cooler kit uses premium aluminum alloy and stainless steel to resist corrosion and heat fatigue, delivering long-term reliability and proven performance gains.