Duramax: 2001-2004 (LB7)
Fleece Performance Billet Oil Cap Red (FPE-DMAX-OC-RED) for 2001-2016 Duramax LB7 / LLY / LBZ
The Fleece Performance Billet Oil Cap Red (FPE-DMAX-OC-RED) is a high-quality aftermarket upgrade for 2001–2016 GM Duramax diesel engines (LB7, LLY, LBZ). Made from durable billet aluminum with a red anodized finish, it offers a secure fit, corrosion resistance, and enhanced engine bay aesthetics—combining style and function for Duramax owners.
Fleece Performance Billet Oil Cap Blue (FPE-DMAX-OC-BLU) for 2001-2016 Duramax LB7 / LLY / LBZ
The Fleece Performance Billet Oil Cap Blue (FPE-DMAX-OC-BLU) is a durable, anodized aluminum upgrade for 2001–2016 GM Duramax diesel engines (LB7, LLY, LBZ). It offers a secure, leak-free seal and enhances engine bay aesthetics with its vibrant blue finish. Designed for a precise fit, it replaces the factory cap with a corrosion-resistant, high-performance alternative ideal for diesel enthusiasts seeking improved function and style.
Fleece Performance Billet Oil Cap Black (FPE-DMAX-OC-BLK) for 2001-2016 Duramax LB7 / LLY / LBZ
The Fleece Performance Billet Oil Cap Black (FPE-DMAX-OC-BLK) is a durable, high-quality aluminum replacement for 2001–2016 GM Duramax diesel engines. It features a sleek black anodized finish for corrosion resistance and improved aesthetics. Designed for a perfect fit, it ensures a secure seal to maintain oil pressure and prevent leaks, making it ideal for both performance enthusiasts and daily drivers.
Fleece CP3 Adapter (FPE-DMAX-CP3-ADPT) for 2001-2016 Duramax 6.6L LB7/ LLY / LBZ / LMM / LML
The Fleece CP3 Adapter (FPE-DMAX-CP3-ADPT) is a precision-engineered component for 2001–2016 GM Duramax 6.6L diesel engines. It enables the replacement of the less reliable factory CP4 fuel pump with a more dependable CP3 pump, particularly beneficial for LML models. Designed for durability and proper fitment, the adapter enhances fuel system reliability and performance, making it ideal for high-horsepower or heavy-duty use.
Fleece Performance Bosch CP3 (FPE-DMAX-CP3) for 2001-2016 Duramax LB7 / LLY / LBZ / LMM / LML
The Fleece Performance Bosch CP3 (FPE-DMAX-CP3) is a durable, high-performance replacement fuel injection pump for 2001–2016 GM Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). Known for its reliability and ability to support higher horsepower, it restores proper fuel pressure and flow, making it a preferred upgrade over the less reliable stock CP4 pumps. Ideal for both replacements and performance upgrades, it’s trusted by diesel enthusiasts and professionals.
Fleece 3/8″ CP3 Return Fitting (FPE-CP3-RTRN) for CP3 fuel pumps
The Fleece 3/8″ CP3 Return Fitting (FPE-CP3-RTRN) is a durable, high-quality aftermarket part designed for CP3 fuel pumps. It ensures a secure, leak-free return line connection to support optimal fuel system performance. Compatible with various fuel setups, it’s ideal for performance upgrades or maintenance. Made by Fleece Performance Engineering, it offers easy installation and reliable operation under demanding conditions.
Fleece Rocker Bridges (FPE-BRAB-D1) for 2001-2016 Duramax LP7 / LLY / LBZ / LMM / LML
The Fleece Rocker Bridges (FPE-BRAB-D1) are high-strength, precision components designed for 2001–2016 GM Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). They enhance valvetrain stability and durability, making them ideal for high-performance or heavy-duty applications. Built to OEM specifications, these direct-fit bridges reduce engine wear, maintain proper valve geometry, and are compatible with both factory and aftermarket rocker arms.
Fleece Tall Stack Cover – 5″ Diameter – Straight Cut (FPE-STK-CVR-5-S) fits 5″ stack
The Fleece Tall Stack Cover (FPE-STK-CVR-5-S) is a durable protective cover designed for 5-inch straight-cut exhaust stacks. It provides a snug, tall fit to shield stacks from debris, moisture, and environmental elements, helping prevent corrosion and blockages. Ideal for trucks and performance vehicles, it helps extend the life of the exhaust system.
Fleece Tall Stack Cover – 6″ Diameter – Straight Cut (FPE-STK-CVR-6-S) fits 6″ stack
The Fleece Tall Stack Cover – 6″ Diameter – Straight Cut (FPE-STK-CVR-6-S) is a high-quality protective cover designed to fit 6-inch exhaust stacks with a straight-cut top. Crafted from durable materials, this cover helps prevent debris, moisture, and unwanted pests from entering the exhaust stack when the vehicle is not in use. Ideal for trucks with vertical exhaust stacks, the Fleece Tall Stack Cover ensures longevity and optimal performance by keeping the system clean and protected. Its snug fit and easy installation make it a practical and essential accessory for maintaining your exhaust system.
Fleece Tall Stack Cover – 6″ Diameter – Miter Cut (FPE-STK-CVR-6-45) fits 6″ stack
The Fleece Tall Stack Cover – 6″ Diameter – Miter Cut (FPE-STK-CVR-6-45) is a durable cover designed to protect 6-inch exhaust stacks. Featuring a 45-degree miter cut for a secure fit, it shields against debris, moisture, and pests when not in use. Made from high-quality materials, it helps maintain exhaust system performance and longevity in all weather conditions, making it a practical choice for truck owners and operators.
Fleece Tall Stack Cover – 5″ Diameter – Miter Cut (FPE-STK-CVR-5-45) fits 5″ stack
The Fleece Tall Stack Cover (FPE-STK-CVR-5-45) is designed for 5-inch diameter exhaust stacks with a miter cut. Made from fleece, it protects stacks from moisture, debris, and pests, helping prevent corrosion and extend system life. Ideal for trucks, generators, and industrial equipment, it offers a snug fit and easy use for effective maintenance.
Fleece Tall Stack Cover – 8″ Diameter – Straight Cut (FPE-STK-CVR-8-S) fits 8″ stack
The Fleece Tall Stack Cover – 8″ Diameter – Straight Cut (FPE-STK-CVR-8-S) is a durable, weather-resistant cover designed for 8-inch exhaust stacks on trucks and heavy-duty vehicles. It provides a secure fit to protect against debris, moisture, and harsh conditions when not in use. Featuring a sleek straight-cut design, it is easy to install and remove, helping to extend the life of exhaust components.
BD Diesel R900 12MM CP3 Pump (105651) for 2001-2010 Duramax LB7 / LLY / LBZ / LMM
The BD Diesel R900 12MM CP3 Pump (105651) is a high-performance fuel pump designed for 2001–2010 Chevy and GMC Duramax diesel engines (LB7, LLY, LBZ, and LMM). Featuring a 12mm stroke, it provides greater fuel flow than stock pumps, boosting throttle response, power, and efficiency. Supporting up to 900 horsepower with proper modifications, it’s ideal for tuned or modified trucks. The R900 offers factory fitment and reliability, making it a durable and trusted upgrade for diesel performance enthusiasts.
BD Diesel BD Built Injector Stock Standard (1715502) for 2001-2004 Duramax LB7
The BD-Built Duramax LB7 Injector (0986435502) is a remanufactured, high-quality replacement for 2001–2004 Chevy and GMC 2500HD/3500HD trucks with the 6.6L Duramax LB7 engine. Designed to meet or exceed OEM standards, it offers reliable performance, improved fuel atomization, and reduced emissions. Available in Stock and StockPlus versions, it’s ideal for restoring power and fuel economy, making it a trusted choice for both diesel enthusiasts and professionals.
BD Diesel BD Built Injector Stock Premium (1725502) for 2001-2004 Duramax LB7
The BD-Built Duramax LB7 Injector (0986435502) is a remanufactured, high-quality replacement for 2001–2004 Chevy and GMC 2500HD/3500HD trucks with the 6.6L Duramax LB7 engine. Designed to meet or exceed OEM standards, it offers reliable performance, improved fuel atomization, and reduced emissions. Available in Stock and StockPlus versions, it’s ideal for restoring power and fuel economy, making it a trusted choice for both diesel enthusiasts and professionals.
BD Diesel BD Built Injector StockPlus Standard 5-15HP (1714502) for 2001-2004 Duramax LB7
The BD-Built Duramax LB7 Injector (0986435502) is a remanufactured, high-quality replacement for 2001–2004 Chevy and GMC 2500HD/3500HD trucks with the 6.6L Duramax LB7 engine. Designed to meet or exceed OEM standards, it offers reliable performance, improved fuel atomization, and reduced emissions. Available in Stock and StockPlus versions, it’s ideal for restoring power and fuel economy, making it a trusted choice for both diesel enthusiasts and professionals.
BD Diesel BD Built Injector StockPlus Premium 5-15HP (1724502) for 2001-2004 Duramax LB7
The BD-Built Duramax LB7 Injector (0986435502) is a remanufactured, high-quality replacement for 2001–2004 Chevy and GMC 2500HD/3500HD trucks with the 6.6L Duramax LB7 engine. Designed to meet or exceed OEM standards, it offers reliable performance, improved fuel atomization, and reduced emissions. Available in Stock and StockPlus versions, it’s ideal for restoring power and fuel economy, making it a trusted choice for both diesel enthusiasts and professionals.
Bilstein Rear B8 5160 Shock (25-311846) for 2001-2024 Duramax LB7 / LLY / LBZ / LMM / L5P / LML
The Bilstein B8 5160 remote reservoir shock absorbers are high-performance, direct-fit upgrades for lifted trucks and SUVs. They feature a remote reservoir for better cooling and increased wheel travel, enhancing off-road capability. With a monotube design and velocity-sensitive digressive valving tuned for specific vehicles, these shocks deliver consistent, fade-free performance. They also include a 360-degree swivel banjo hose fitting and a sleek billet reservoir mount for a clean installation. Overall, the B8 5160 shocks boost durability and off-road performance.
Chevy Duramax 01-04 LB7 Reman Injector Set 45 Percent Over 75hp Dynomite Diesel
Chevy Duramax 2001-2004 LB7 6.6L Injector Set: Remanufactured injectors flowing at 45 percent over, capable of 675 RWHP with proper supporting modifications. Biggest injector recommended for stock CP3 pump or turbo.
EFI Live FlashScan 3 (FS3-GM) for 2001-2016 GM Duramax LML/LMM/LBZ/LLY/LB7
FlashScan V3 Scan Only is a scan tool, data logger and calibration reader for selected GM, Dodge Cummins and Cummins HD engine controllers, in either standalone mode (FlashScan V3 to vehicle connection), or in pass through mode (PC/laptop to FlashScan V3 to vehicle connection).
Industrial Injection XR1 Turbocharger 63.5mm (8973077111-XR1) for 2001-2004 Duramax 6.6L LB7
This XR1 Series LB7 Turbocharger comes with an upgraded Billet Blade Technology 63.5mm compressor wheel as well as a polished compressor housing. The Billet Blade Technology compressor wheel is designed to increase turbo efficiency to help lower EGT’s while adding strength and reliability.
Sinister Diesel “Welded” Water Pump (SDWWP01) for 2001-2005 Duramax LB7 / LLY
Proper cooling is essential for reliable performance in modified engines. The factory Duramax water pump can slip under load, causing serious issues in high-horsepower setups. The Sinister Diesel Welded Duramax Water Pump is a drop-in replacement for 2001–2005 Duramax trucks, featuring TIG-welded impeller and pump gear for improved durability. It’s ideal for trucks with performance upgrades or due for maintenance.
Sinister Diesel Pre-Filter Sock for Cold Air Intake (SDUPFS0120)
The Sinister Diesel Pre-Filter Sock helps keep your truck’s air filter clean by blocking debris down to 5 microns without reducing airflow. This extra layer of protection improves performance and extends filter life. Backed by a 2-year warranty.
