Duramax: 2019-2026 (3.0L)

Duramax: 2001-2004 (LB7)

Duramax: 2004.5-2005 (LLY)

Duramax: 2006-2007 (LBZ)

Duramax: 2007.5-2010 (LMM)

Duramax: 2011-2016 (LML)

Duramax: 2017-2019 (L5P)

Duramax: 2020-2025 (L5P)

Fleece Return Fuel Pressure Test Port (FPE-FPTP-GM-1116) for 2011-2016 Duramax LML

SKU: FPE-FPTP-GM-1116
$33.06

The Fleece Return Fuel Pressure Test Port (FPE-FPTP-GM-1116) is a diagnostic tool for 2011–2016 GM Duramax LML diesel engines that enables accurate monitoring of return fuel pressure. Made by Fleece Performance Engineering, it helps diagnose fuel system issues like injector leaks or line restrictions. Built with high-quality materials for a secure, leak-free fit, it integrates easily into the factory system and is suitable for both professionals and advanced DIY users.

S&B Intake Replacement Filter Dry Extendable (KF-1063D) for 2017-2019 Duramax L5P / Powerstroke 6.7L

SKU: KF-1063D
$72.45

The S&B Intake Replacement Filter Dry Extendable (KF-1063D) is a high-quality, performance-driven air filter designed specifically for the 2017-2019 Duramax L5P and Powerstroke 6.7L engines. This replacement filter is a direct fit for the stock air box and is made with premium materials to ensure maximum filtration and airflow.

Fleece Oil Cooler Adapter (FPE-DMAX-OCADPT) for 2001-2016 Duramax LB7 / LLY / LBZ / LML

SKU: FPE-DMAX-OCADPT
$109.15

The Fleece Performance FPE-DMAX-OCADPT Oil Cooler Adapter is a durable aftermarket upgrade for 2001–2016 GM Duramax diesel engines (LB7, LLY, LBZ, LML). Designed for a direct fit, it improves engine oil cooling for better temperature control under heavy loads or performance use. Ideal for enhancing engine reliability and longevity, it offers a secure, leak-free connection and easy installation for professionals or experienced DIYers.

S&B Intake Replacement Filter Cotton Cleanable (KF-1032) for 2003-2009 Cummins 6.7L

SKU: KF-1032
$72.45

The S&B Intake Replacement Filter Cotton Cleanable (KF-1032) is a high-quality air filter designed specifically for 2003-2009 Cummins 6.7L engines. It is the perfect replacement for your stock air filter, providing improved airflow and increased performance for your vehicle.

Fleece MAP Sensor Spacer with Boost Reference Port (FPE-L5P-MAP-SPR) for 2017-2024 Duramax L5P

SKU: FPE-L5P-MAP-SPR
$76.06

The Fleece MAP Sensor Spacer with Boost Reference Port (FPE-L5P-MAP-SPR) is an upgrade for 2017–2024 Duramax L5P diesel engines that installs between the factory MAP sensor and intake manifold. It provides a boost reference point without modifying factory parts, making it ideal for external boost applications like turbo controllers or gauges. Featuring a built-in 1/8” NPT port, it offers easy integration and is made from durable materials to handle high boost and harsh conditions while preserving OEM sensor function.

Amp’D 28866-D2 2.0 Throttle Booster w/ Bluetooth Switch

SKU: 28866-D2
$312.85

The Amp’D 28866-D2 2.0 Throttle Booster is a powerful and innovative device that enhances the performance of your vehicle’s throttle. With its Bluetooth switch, you have the convenience of adjusting your throttle response with just a tap on your phone. This means you can easily switch between modes, whether you need a faster response for quick acceleration or a smoother ride for everyday driving. The 2.0 version also boasts improved features such as a faster processor and a smaller design, making it easy to install and integrate into your vehicle. With this throttle booster, you can experience improved throttle response, increased horsepower, and better fuel efficiency. Take your driving experience to the next level with the Amp’D 28866-D2 2.0 Throttle Booster.

AccuAir Suspension AA-3837 Premium Air Suspension Management Package

SKU: AA-3837
$3,044.95

The AccuAir Suspension AA-3837 Premium Air Suspension Management Package is the ultimate solution for those looking to upgrade their vehicle’s suspension system. This package includes everything needed to improve ride quality, handling, and adjustability. With its advanced technology, users can effortlessly adjust the ride height and damping settings to their liking. The package also includes a high-performance air compressor, which ensures that the air suspension system is always at the optimal pressure. With its sleek and compact design, the AccuAir Suspension AA-3837 is easy to install and will enhance the overall look of any vehicle. This premium package is perfect for car enthusiasts and those looking for a smooth and comfortable ride.

S&B Intake Replacement Filter Dry Extendable (KF-1062D) for 2011-2016 Duramax LML

SKU: KF-1062D
$72.45

The S&B Intake Replacement Filter Dry Extendable (KF-1062D) is a top-of-the-line air filter designed specifically for 2011-2016 Duramax LML engines. It is made by S&B, a trusted brand in the automotive industry known for their high-quality and performance-enhancing products. This filter is dry and extendable, meaning it does not require oiling and can be reused multiple times, making it a cost-effective option for Duramax LML owners.

LML CP3 Conversion Kit with Heavy Duty CP3 (FPE-LML-CP3-10) for 2011-2016 LML Duramax

SKU: FPE-LML-CP3-10
$2,938.95

Improve your LML Duramax’s reliability and fueling capability with a CP3 conversion (FPE-LML-CP3-10). Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms.  Failures of the CP4 are extremely costly and require replacement of the entire fuel system.

MBRP 3″ Turbo Down Pipe Armor Lite (GM8428) for 2015-2016 Duramax LML

SKU: GM8428
$364.40

The 3″ Turbo Down Pipe (GM8428) from Armor Lite is a high-performance exhaust component designed specifically for GM vehicles. Its key features include a 3″ diameter for improved exhaust flow, a durable construction for long-lasting performance, and a direct fit design for easy installation. The benefits of this down pipe include increased horsepower and torque, improved fuel efficiency, and a more aggressive exhaust sound. Its unique selling points are its compatibility with GM vehicles and its ability to enhance overall engine performance.

Fleece Allison Transmission Cooler Lines (FPE-TL-LBZ-LMM) for 2006-2010 Duramax LBZ / LMM

SKU: FPE-TL-LBZ-LMM
$296.57

The Fleece Allison Transmission Cooler Lines (FPE-TL-LBZ-LMM) are durable, high-performance replacements for the factory transmission lines in 2006–2010 GM Duramax LBZ and LMM trucks with Allison transmissions. Made from braided stainless steel with high-quality AN fittings, they offer improved reliability, leak prevention, and fluid flow, making them ideal for heavy-duty use and towing. These lines are a long-lasting upgrade over the stock rubber hoses, which are prone to wear and leaks.

Fleece Freedom Series Cylinder Head – Passenger Side (FPE-61-10003-P) for 2006-2010 Duramax LBZ / LMM

SKU: FPE-61-10003-P
$1,206.45

The Fleece Freedom Series Cylinder Head – Passenger Side (FPE-61-10003-P) is a high-quality replacement for 2006–2010 GM Duramax LBZ and LMM diesel engines. Designed for durability and performance, it enhances airflow and cooling, making it suitable for both stock and high-performance setups. Built to exceed OEM standards, it ensures a reliable seal and efficient combustion, making it ideal for engine rebuilds or heavy-duty upgrades.

FASS Drop-In Series Diesel Fuel System DIFSL5P1001 for GM 2017-2024

SKU: DIFSL5P1001
$502.95

FASS Drop-In Series Diesel Fuel System DIFSL5P1001 for GM 2017-2024

The FASS Drop-In Series Diesel Fuel System DIFSL5P1001 is an essential upgrade for any GM vehicle from 2017 to 2024. This system is designed to provide improved fuel flow, filtration, and overall performance for diesel engines. With a 100 GPH flow rate and advanced filtration capabilities, this system ensures that your engine receives clean and consistent fuel, resulting in better engine performance and longevity. The drop-in design makes installation quick and easy, without the need for any modifications or drilling. This FASS fuel system is a reliable and high-quality upgrade that will enhance the performance of your GM vehicle.

AlphaRex 880256 03-06 Chevrolet Silverado/02-06 Avalanche (without body cladding) NOVA-Series LED Projector Headlights Black

SKU: 880256
$1,013.25

The AlphaRex 880256 03-06 Chevrolet Silverado/02-06 Avalanche (without body cladding) NOVA-Series LED Projector Headlights Black is a sleek and modern upgrade for your vehicle. These headlights feature a durable and stylish black housing with LED projector lights that provide a brighter and more focused beam for enhanced visibility on the road. Designed specifically for Chevrolet Silverado and Avalanche models without body cladding, these headlights offer a perfect fit and easy installation. With their advanced lighting technology and eye-catching design, the AlphaRex NOVA-Series LED Projector Headlights are sure to make a statement and improve the overall look and performance of your vehicle.

S&B Filter Wrap (WF-1033) for KF-1052 or KF-1052D

SKU: WF-1033
$31.45

The S&B Filter Wrap (WF-1033) is a high-quality accessory designed specifically for use with the KF-1052 or KF-1052D air filters. This filter wrap is made from durable materials and is designed to protect your air filter from dirt, dust, and other debris.

Fleece Turbo Compressor Discharge Adapter Kit for S400 Turbos (FPE-S4TCDA-KIT) Universal

SKU: FPE-S4TCDA-KIT
$66.15

The Fleece Turbo Compressor Discharge Adapter Kit (FPE-S4TCDA-KIT) is a durable, high-quality solution for connecting S400 turbochargers to custom intercooler piping. Made from robust, machined aluminum, it ensures optimal airflow and reliable performance under high boost. Its universal design fits a wide range of applications, making it ideal for diesel upgrades and high-performance builds.

Mishimoto Intercooler Kit -Silver (MMINT-DMAX-06KSL) for 2006-2010 Duramax LLY/LBZ/LMM

SKU: MMINT-DMAX-06KSL
$1,756.00

Fed up with high EGTs and an intercooler setup that isn’t keeping up with the demands of your Duramax? The solution is finally here with the Mishimoto 2006-2010 Chevrolet/GMC 6.6L Duramax intercooler kit!

Sinister Diesel CAT Fuel Filter Adapter (SDCATDMAX) for 2001-2016 Duramax 6.6L

SKU: SDCATDMAX
$176.09

The Sinister Diesel Duramax Fuel Filter and Adapter Kit is an upgrade for 2001–2016 Chevy Silverado and GMC Sierra 2500/3500 HD trucks with 6.6L Duramax engines. It replaces the factory fuel filter with a high-performance 2-micron Caterpillar spin-on filter, improving filtration efficiency and capacity. This reduces long-term maintenance costs and extends the life of the fuel system and injectors.

5″ Downpipe-Back Exhaust Armor Lite, Single Side Exit, Race Profile No Muffler (S60210PLM) for 2001-2004 Duramax LB7

SKU: S60210PLM
$619.00

The 5″ Downpipe Back Exhaust S60210PLM is designed for 2001-2004 Chevrolet and GMC 2500HD and 3500HD 6.6L Duramax trucks. This Armor Lite aluminized steel exhaust system features a race profile design with no muffler and a single side exit configuration. The larger 5 inch piping improves exhaust flow and delivers a deeper diesel exhaust sound.

S&B Intake Replacement Filter Dry Extendable (KF-1035D) for 2001-2010 Duramax LB7 / LLY / LBZ / LMM and 1994-2009 Cummins 5.9L / 6.7L

SKU: KF-1035D
$72.45

The S&B Intake Replacement Filter Dry Extendable (KF-1035D) is a high-quality air filter that is specifically designed for 2001-2010 Duramax LB7 / LLY / LBZ / LMM and 1994-2009 Cummins 5.9L / 6.7L engines. This filter is made with advanced dry media technology that provides excellent filtration and air flow, ensuring maximum performance for your engine.

BD Diesel Throttle Sensitivity Booster (1500735) for 2001-2005 Duramax LB7 / LBY

SKU: 1057735
$291.85

The BD Diesel Throttle Sensitivity Booster (1500735) is a plug-and-play upgrade for 2001–2005 GM Duramax LB7 and LLY diesel engines that improves throttle response by eliminating the “dead pedal” feel. It enhances drivability by delivering quicker, more precise throttle input, especially useful for towing, passing, or city driving. Easy to install with no cutting or splicing required, it offers a more responsive and powerful driving experience.

Fleece Outer Injector Harness Pigtail (FPE-HAR-DMAX-LB7-INJ-PT) for 2001-2004 Duramax LB7

SKU: FPE-HAR-DMAX-LB7-INJ-PT
$33.06

The Fleece Performance Fleece Outer Injector Harness Pigtail (FPE-HAR-DMAX-LB7-INJ-PT) is a high-quality, direct-fit replacement for the outer injector harness on 2001–2004 GM 6.6L Duramax LB7 engines. Designed to address issues like brittle, damaged, or corroded factory connectors, it features OEM-style connectors and premium wiring for durability and reliable performance. Ideal for repairs or custom rebuilds, it helps maintain proper injector function and engine efficiency, making it a trusted choice for technicians and Duramax enthusiasts.

S&B Intake Replacement Filter Dry Extendable (KF-1076D) for 2020-2023 Duramax L5P

SKU: KF-1076D
$72.45

The S&B Intake Replacement Filter Dry Extendable (KF-1076D) is a top-of-the-line air filter designed specifically for the 2020-2023 Duramax L5P engine. This high-performance filter is a perfect replacement for your stock air filter, providing improved filtration and increased airflow for maximum engine efficiency.

FASS Titanium Signature Series Diesel Fuel System TSC10165G 165GPH, (8-10 PSI) for GM/Chevy Duramax 6.6L 2001-2010, 600-1,000hp

SKU: TSC10165G
$765.45

The FASS Titanium Signature Series Diesel Fuel System TSC10165G is a top-of-the-line product designed specifically for GM/Chevy Duramax 6.6L engines from 2001 to 2010. With a flow rate of 165 gallons per hour and an operating pressure of 8-10 PSI, this fuel system is capable of supporting high horsepower levels ranging from 600 to 1,000hp. Its advanced filtration system ensures that your engine receives clean and consistent fuel, which in turn improves performance and prolongs the life of your engine. With the FASS Titanium Signature Series, you can expect reliable and efficient fuel delivery, making it a must-have for any high-performance Duramax engine.