Duramax
AFE Power BladeRunner Turbo Inlet Manifold (46-60029) for 2004-2005 Duramax LLY
The aFe Bladerunner Turbo Inlet Manifold boosts your Duramax with up to 23 HP and 57 lb-ft of torque, improving airflow by 73% over stock. It enhances turbo spool-up, lowers EGTs, and features a durable A356-T6 aluminum build with patented MDV technology for optimized air delivery. Includes all hardware for easy installation.
Insight
Monitor your trucks vital parameters in real-time while enjoying the flexibility to load custom tunes tailored to your driving needs from your preferred tuner. Insight+ offers unmatched monitoring at your fingertips with expandabilty and versatility like nothing else on the market.
South Bend Super Street Dual Disc, 750hp, 1300 torque (SSDDMAX-CBY) for 2001-2005 Duramax LB7 / LLY
$2,139.90The South Bend SSDDMAX-CBY Super Street Dual Disc clutch is designed for 2001–2005 Duramax LB7 and LLY trucks with the ZF6 manual transmission. This clutch is rated to handle up to 750 horsepower and 1300 lb-ft of torque. The dual-disc design provides excellent holding power while maintaining street-friendly drivability. It also supports towing loads exceeding 30,000 pounds. The complete kit includes all necessary components for installation.
Sun coast CAT3 700 HP CUSTOM ALLISON TRANSMISSION WITH CONVERTER (GMAX-CAT3-LB7-0103-4WD) for 2001-2004 Duramax LB7
$10,710.00Sun Coast Allison transmission upgrades strengthen critical drivetrain components for high horsepower Duramax applications. The package includes a billet flexplate, billet input shaft, triple disc torque converter, and reinforced clutch components. These upgrades improve torque capacity, durability, and reliability under heavy loads. SunCoast transmissions are designed for towing, performance builds, and competition use.
Suncoast CAT3 700 HP CUSTOM ALLISON TRANSMISSION WITH CONVERTER (GMAX-CAT3-LB7-0103-2WD) for 2001-2004 Duramax LB7
$10,710.00This Sun Coast Allison transmission build strengthens key drivetrain components for high horsepower Duramax trucks. The package includes a billet flexplate, billet input shaft, triple disc torque converter, upgraded clutch materials, and reinforced planetary components. These upgrades increase torque capacity and reliability for towing, performance builds, and competition use.
Mahle De-Lipped Cast Piston Set (MLE930036055) for 2001-2016 Duramax LB7 / LLY / LBZ / LMM / LML
$1,789.35The Mahle De-Lipped Cast Piston Set MLE930036055 is designed for 2001–2016 Duramax engines, including LB7, LLY, LBZ, LMM, and LML. These pistons feature a de-lipped combustion bowl, steel top ring land, and advanced coatings for improved durability and reduced friction. The kit includes pistons, rings, wrist pins, and circlips for a complete rebuild solution. Built for towing, performance applications, and dependable daily use.
WAGLER CONNECTING ROD SET (WCPCRC6.6) for 2001-2016 DURAMAX LB7 / LLY / LBZ / LMM / LML
$3,360.00The Wagler WCPCRC6.6 connecting rod set is designed for 2001–2016 Duramax engines including LB7, LLY, LBZ, LMM, and LML platforms. Forged from certified 4340ACQ steel, these rods feature an upgraded I-beam design with increased strength and durability. Precision machining allows them to work with factory pistons without additional clearancing. The shot-peened finish improves fatigue resistance for high horsepower applications. This rod set is built for serious Duramax performance and reliability.
ARP Head Studs (ARP230-4201) for 2001-2016 Duramax LB7 / LLY / LBZ / LMM / LML
$879.15The ARP230-4201 head stud kit is designed for 2001–2016 Duramax engines, including LB7, LLY, LBZ, LMM, and LML platforms. Manufactured from premium 8740 alloy steel, these studs provide superior clamping force and durability compared to factory head bolts. The precision heat treatment and rolled thread design improve fatigue strength and reliability. This kit helps prevent head lift and maintain head gasket sealing in high-horsepower Duramax engines.
DDP 60 Percent Over 100hp Injectors w/Nozzles – Set of 8 (DDPNLB7-100) for 2001-2004 Duramax LB7
$3,715.69The DDP LB7 60 over injector set DDPNLB7-100 is designed for 2001–2004 Duramax LB7 engines. These injectors increase fuel flow by 60 percent and support 750–800 rear wheel horsepower in performance builds. A modified or dual CP3 fuel system and upgraded turbochargers are required. The injectors are sold as a balanced and matched set of eight. This setup is intended for high-horsepower applications rather than towing.
Suncoast CAT1 500 HP CUSTOM ALLISON TRANSMISSION WITH CONVERTER 2WD (GMAX-CAT1-LB7-0103-2WD) for 2001-2004 Duramax LB7
The Sun Coast CAT1 500 HP Allison transmission GMAX-CAT1-LB7-0103-2WD is built for 2001–2004 Duramax LB7 trucks with a 2WD drivetrain. This upgraded transmission handles up to 500 horsepower while improving durability and shift quality. The package includes a matched high-performance torque converter for efficient power transfer. It provides a reliable upgrade for towing, daily driving, and mild performance builds.
Suncoast CAT1 500 HP CUSTOM ALLISON TRANSMISSION WITH CONVERTER 4WD (GMAX-CAT1-LB7-0103-4WD) for 2001-2003 Duramax LB7
The Sun Coast CAT1 500 HP Allison transmission GMAX-CAT1-LB7-0103-4WD is built for 2001–2003 Duramax LB7 trucks with a 4WD drivetrain. This upgraded transmission handles up to 500 horsepower while improving durability and shift performance. The package includes a matched high-performance torque converter for efficient power transfer. It provides a reliable upgrade for towing, daily driving, and mild performance builds.
DDP 45% Over 75hp Injectors w/Nozzles (Set of 8) (DDPNLB7-75 ) for 2001- 2004 Duramax LB7
The DDP LB7 75HP injector set DDPNLB7-75 is designed for 2001–2004 Duramax LB7 engines. These injectors increase fuel delivery by 45 percent and can support approximately 75 horsepower gains with proper tuning. Each injector includes precision-matched nozzles to maintain consistent fuel atomization. This balanced set of eight injectors improves throttle response and overall engine performance.
South Bend Organic Street Dual Disc Clutch Kit (SDDMAXZ-ORG) for Duramax LB7 / LLY
The South Bend SDDMAXZ-ORG Organic Street Dual Disc Clutch is designed for GM 6.6L Duramax LB7 and LLY trucks. This Stage 2 clutch kit uses organic friction discs for smooth engagement and reliable street performance. Dual clutch discs increase torque capacity and improve heat management. The kit includes throw-out bearings and alignment tools for easier installation. Ideal for daily driving, towing, and moderate performance builds.
PPEI Engine Tuning (PP-LB7-ET) For 2001-2004 Duramax LB7
The PPEI Engine Tuning PP-LB7-ET is designed for 2001–2004 Duramax LB7 engines. It improves horsepower, torque, and throttle response. This tuning also refines fuel delivery and transmission shifting. It supports better drivability and efficiency in daily and towing use. PPEI tuning provides a reliable performance upgrade for LB7 trucks.
Dynomite Diesel 10-20HP Economy Series Injector Set (DDPNLB7-ECO) for 2001-2004 Duramax LB7
The Dynomite Diesel 10-20HP Economy Series Injector Set DDPNLB7-ECO fits 2001-2004 Duramax LB7 engines. It delivers a 10 to 20 horsepower increase over stock. Improved fuel atomization enhances throttle response and efficiency. Flow-matched injectors ensure consistent performance across all cylinders. This set provides a reliable upgrade for daily driving and light towing.
Fleece Fuel Filter Upgrade Kit (FPE-L5P-FFBA-1920) for 2020-2024 Duramax L5P
Fleece fuel filter kit improves filtration and fuel flow for 2020-2024 Duramax L5P with a billet base and spin-on filter.
- Replaces GM Part #13543066 and #13539109
Fleece Performance GM Front TufShafts (FPE-TUFSHAFTS) for 2001-2010 Duramax LB7 / LLY / LBZ / LMM
The Fleece Performance GM Front TufShafts (FPE-TUFSHAFTS) are heavy-duty, chromoly steel axle shaft upgrades for 2001–2010 GM Duramax trucks with LB7, LLY, LBZ, or LMM engines. Designed for high performance and durability under extreme conditions, they offer a direct-fit replacement for stock shafts without modifications. Ideal for towing, racing, and off-road use, these shafts enhance reliability and prevent common front axle failures.
Fleece Replacement Transmission short Line (FPE-TL-LBZ-LMM-SHORT-SER) for 2006-2010 Duramax LBZ / LMM
The Fleece Replacement Transmission Short Line (FPE-TL-LBZ-LMM-SHORT-SER) is a durable, high-quality upgrade for 2006–2010 Chevy and GMC trucks with Duramax LBZ or LMM engines. It replaces factory rubber lines with premium materials that resist heat, pressure, and abrasion, improving transmission cooling reliability and reducing maintenance. With precision fittings and a direct-fit design, it ensures easy installation and long-term performance, making it ideal for both stock and modified trucks.
Fleece Replacement Transmission Medium Line (FPE-TL-LB7-LMM-MED-SER) for 2001-2010 Duramax LB7 / LLY / LBZ / LMM
The Fleece Replacement Transmission Medium Line (FPE-TL-LB7-LMM-MED-SER) is a durable aftermarket upgrade for 2001–2010 GM Duramax diesel trucks (LB7, LLY, LBZ, LMM). It replaces the factory transmission cooler line with a high-quality, heat- and abrasion-resistant option that improves reliability and performance. Designed for both stock and modified vehicles, it helps prevent common transmission cooling failures and offers an easy, direct-fit installation.
Fleece Replacement Transmission Long Line (FPE-TL-LB7-LMM-LONG-SER) for 2001-2010 Duramax LB7/ LLY / LBZ / LMM
The Fleece Replacement Transmission Long Line (FPE-TL-LB7-LMM-LONG-SER) is an upgraded transmission line kit for 2001–2010 GM Duramax diesel trucks with LB7, LLY, LBZ, or LMM engines. It replaces factory hard lines with durable braided stainless steel hoses to improve fluid flow, reduce leaks, and enhance reliability. Designed for both stock and performance applications, the kit includes all necessary fittings for easy installation and provides better transmission cooling and longevity.
Fleece Replacement Transmission Short Line (FPE-TL-LB7-LLY-SHORT-SER) for 2001-2005 Duramax LB7 / LLY
The Fleece Replacement Transmission Short Line (FPE-TL-LB7-LLY-SHORT-SER) is an aftermarket upgrade for 2001–2005 GM Duramax trucks with LB7 or LLY engines. It replaces factory transmission lines that are prone to cracking or leaking, offering enhanced durability and performance. Made from high-quality materials to handle high temperatures and pressures, it ensures a secure, leak-free connection between the transmission and cooler. Ideal for modified or performance applications, it improves reliability and simplifies installation, making it a popular choice among Duramax owners.
Fleece 1″ T4 Pedestal Spacer (FPE-T4PED-SPACER1.0) for Duramax equipped w/T4 Turbos
The Fleece 1″ T4 Pedestal Spacer (FPE-T4PED-SPACER1.0) is a high-quality component designed for Duramax engines with T4 turbochargers. It raises the turbo pedestal by one inch to allow clearance for larger or custom turbos, ensuring proper alignment and secure mounting. Ideal for performance upgrades and custom builds, it enhances compatibility and flexibility in turbo system modifications.
Fleece Dosing Injector Fuel Line Disconnect Tool (FPE-LML-QCDT) for 2011-2016 Duramax LML
The Fleece Dosing Injector Fuel Line Disconnect Tool (FPE-LML-QCDT) is a precision tool designed for 2011–2016 GM Duramax LML diesel engines. It simplifies the removal of the fuel line to the dosing injector, a typically difficult task, by providing a secure and efficient disconnect. Ideal for both technicians and DIY users, it aids in servicing or diagnosing components in the exhaust aftertreatment system.
Fleece Secondary MAP Sensor Spacer (FPE-L5P-MAP-SPR-24) for 2024 Duramax L5P
The Fleece Secondary MAP Sensor Spacer (FPE-L5P-MAP-SPR-24) is a high-quality component designed for the 2024 Duramax L5P diesel engine. Made by Fleece Performance Engineering, it enables the installation of a secondary MAP sensor for custom tuning, data logging, and performance monitoring. Built for durability and a precise fit, it installs between the intake manifold and OEM sensor without affecting alignment or function. It’s ideal for performance enthusiasts and professional tuners seeking enhanced engine diagnostics on modern Duramax systems.
