Cooling

Drivetrain

Electrical

Engine Upgrades

Exhaust

Exterior

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Intake System

Interior

Lighting

Suspension

Tuners & Programmers

Turbochargers

Bilstein Rear B8 5160 Shock (25-311846) for 2001-2024 Duramax LB7 / LLY / LBZ / LMM / L5P / LML

SKU: 25-311846
$288.75

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.

Fleece Multiuse Sensor Pigtail No 10 (FPE-HAR-MU-PT-10) for 2004.5-2016 6.6L Duramax and 2003-2010 6.0L/6.4L Powerstroke

SKU: FPE-HAR-MU-PT-10
$16.53

Replacement connector with 6″ pigtail for use in multiple locations on the Duramax and Powerstroke engines.

EFI Live FlashScan 3 (FS3-GM) for 2001-2016 GM Duramax LML/LMM/LBZ/LLY/LB7

SKU: FS3-GM
$1,076.25

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 New XP600 Series Duramax 6.6L CP3 (XP600D)

SKU: XP600D
$4,530.75

The Industrial Injection XP600D Duramax 6.6L CP3 Fuel Pump XP600D is built for high-performance diesel racing applications. It features a 14mm shaft, 9mm plungers, a high-flow gear pump, and hardened DLC-coated internals. Additionally, the XP600D requires a 290 GPH lift pump. Industrial Injection requires proof of a racing-only vehicle before shipment.

Industrial Injection New XP500 Series Duramax 6.6L CP3 (XP500D)

SKU: XP500D
$3,654.00

The Industrial Injection XP500D Duramax 6.6L CP3 Fuel Pump XP500D is designed for high-performance diesel racing applications. It features an 11.2mm shaft, 9mm plungers, an advanced high-flow gear pump, and DLC-coated internals. Additionally, the XP500D requires a 290 GPH lift pump. Industrial Injection requires proof of a racing-only vehicle before shipment.

Industrial Injection Duramax Stage 1 Camshaft w Key CORE CHARGE OF $250 APPLIES (DMXRV)

SKU: DMXRV
$795.00

The Industrial Injection Duramax Stage 1 Camshaft with Key DMXRV is a drop-in performance camshaft designed to help lower EGT. Industrial Injection recommends checking piston-to-valve clearance whenever installing an aftermarket camshaft. A $250 core charge applies to the DMXRV. Return the qualifying core within 90 days to receive full core credit.

Industrial Injection 6.6L Duramax Stage 2 Camshaft CORE CHARGE OF $250 APPLIES (DMXHP)

SKU: DMXHP
$899.41

The Industrial Injection 6.6L Duramax Stage 2 Camshaft DMXHP features .450-inch intake and exhaust lift with .258 intake and .268 exhaust duration. Industrial Injection recommends .080-inch piston valve relief and requires installers to check piston-to-valve clearance. A $250 core charge applies to the DMXHP. Return the qualifying core within 90 days for full core credit.

Sinister Diesel “Welded” Water Pump (SDWWP01) for 2001-2005 Duramax LB7 / LLY

SKU: SDWWP01
$363.08

The Sinister Diesel SDWWP01 Welded Water Pump SDWWP01 is a heavy-duty cooling upgrade for 2001-2005 Duramax LB7 and LLY trucks featuring TIG welded impeller and pump gear construction for improved reliability.

Sinister Diesel Valve Cover Gasket Kit (SDVCKFGM045) For 2004-2010 Duramax 6.6L

SKU: SDVCKFGM045
$55.64

The Sinister Diesel Valve Cover Gasket Kit SDVCKFGM045 fits 2004-2010 Duramax 6.6L engines. It uses premium silicone and FKM gasket materials for reliable sealing performance. The kit is packaged per bank for more efficient injector service repairs. Additional seals and installation components are included where required. The SDVCKFGM045 supports dependable leak-free engine repairs.

Sinister Diesel Pre-Filter Sock for Cold Air Intake (SDUPFS0120)

SKU: SDUPFS0120
$58.68

The Sinister Diesel Pre-Filter Sock for Cold Air Intake SDUPFS0120 helps protect your air filter from dirt and debris buildup. It filters contaminants down to 5 microns while maintaining consistent airflow performance. The pre-filter helps extend air filter service life and supports reliable intake airflow. Testing shows no significant airflow restriction during operation. The SDUPFS0120 includes a 2-year warranty.

SINISTER DIESEL TRANSMISSION REAR HOUSING SUPPORT (SDRHSDMAXZF6) FOR 2001-2005 Duramax LB7 LLY using ZF6 transmission

SKU: SDRHSDMAXZF6
$200.54

The Sinister Diesel Transmission Rear Housing Support SDRHSDMAXZF6 fits 2001-2005 Duramax LB7 and LLY trucks with ZF6 manual transmissions. It is built from 7/8-inch .120 wall DOM mild steel tubing for added strength and durability. This support helps reduce stress caused by driveline vibration and damaged driveline components. The direct-fit design installs using factory bolts. The SDRHSDMAXZF6 provides dependable drivetrain reinforcement for 4×4 applications.

Sinister Diesel Transmission Rear Housing Support (SDRHSDMAX0107) for 2001-2007 Duramax LB7/LLY/LBZ with Allison transmission

SKU: SDRHSDMAX0107
$200.54

The Sinister Diesel Transmission Rear Housing Support SDRHSDMAX0107 fits 2001-2007 Duramax LB7, LLY, and LBZ trucks with Allison automatic transmissions. It uses heavy-duty DOM mild steel tubing to reinforce the rear transmission housing. This support helps reduce drivetrain stress caused by vibration and damaged driveline components. The direct-fit design installs using factory mounting locations. The SDRHSDMAX0107 includes a 2-year warranty.

Sinister Diesel Radiator Pipe (SDRADTUBEDMAX01) for 2001-2005 Duramax 6.6L LB7 / LLY

SKU: SDRADTUBEDMAX01
$225.21

The Sinister Diesel Radiator Pipe SDRADTUBEDMAX01 fits 2001-2005 Duramax LB7 and LLY engines. It replaces factory coolant hoses with durable 6061 aluminum construction and four-ply silicone boots. The upgraded design improves cooling system reliability and helps resist cracking over time. Precision mandrel bends provide proper factory-style fitment. The SDRADTUBEDMAX01 also improves engine bay appearance with a Sinister Blue finish.

Sinister Diesel Edition Powermax Series 2 Turbo (SDPWRMAX662) for 2004.5-2010 Duramax 6.6L LLY / LBZ / LMM

SKU: SDPWRMAX662
$3,308.54

The Sinister Diesel Edition Powermax Series 2 Turbo SDPWRMAX662 fits 2004.5-2010 Duramax LLY, LBZ, and LMM engines. It uses a larger compressor wheel for improved airflow, throttle response, and horsepower potential. Garrett Advanced Variable Nozzle Turbine technology helps improve boost response and drivability. Original-style housings provide direct-fit installation compatibility. The SDPWRMAX662 also features a high gloss Sinister Blue compressor cover finish.

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Sinister Diesel Edition Powermax Series 1 Turbo (SDPWRMAX661) for 2004.5-2010 Duramax 6.6L LLY / LBZ / LMM

SKU: SDPWRMAX661
$2,678.54

The Sinister Diesel Powermax Series 1 Turbo features a larger compressor wheel for quick spool, increased horsepower, and sharp throttle response. It uses Garrett’s Advanced Variable Nozzle Turbine design for improved compressor flow and boost. Built by the original manufacturer with OEM-style housings, it ensures a direct fit for GM Duramax engines.

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Sinister Diesel PITBULL SERIES® Turbocharger for 2004.5-2010 Duramax 6.6L LLY/LBZ/LMM

SKU: SDPB66TURBO045
$3,498.48

The Sinister Diesel PITBULL SERIES® Turbocharger is a high-performance, drop-in upgrade for 2004.5–2010 Chevy and GMC Duramax 6.6L trucks. It retains the factory Variable Geometry Turbo and mounting style for easy installation, improves airflow for up to 690 horsepower, maintains low-end drivability, and reduces both peak exhaust gas temperatures (EGTs) and drive pressure.

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SINISTER DIESEL HIGH PERFORMANCE MOTOR MOUNTS (SDMMDMAX) FOR DURAMAX 2001-2010 LB7 / LLY / LBZ / LMM

SKU: SDMMDMAX
$556.49

Sinister Diesel High Performance Motor Mounts minimize drivetrain movement for better power transfer, smoother throttle transitions, and improved launches. They also enhance reliability, preventing wear and failure common in OEM mounts.

Sinister Diesel Reman Injector (SDINJGM045) for 2004.5-2005 Duramax LLY 6.6L

SKU: SDINJGM045
$365.39

The Sinister Diesel Reman Injector for the 2004.5-2005 LLY Duramax is engineered to meet or exceed OEM standards. Each injector undergoes a rigorous remanufacturing process, including inspection, cleaning, and rebuilding with high-quality components. Designed for durability and reliability, it ensures a smooth and responsive driving experience, even in demanding conditions.

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Sinister Diesel Injector Fuel Return Hose Kit (SDIFRHKGM045) For 2004-2010 Duramax 6.6L

SKU: SDIFRHKGM045
$83.99

Sinister Diesel Injector Fuel Return Hose Kits are made to meet or exceed OEM specifications. Over time, and with exposure to heat, these hoses become brittle and prone to leaks or cracks. If you service or replace a fuel injector, make sure to replace your fuel return hose.

Sinister Diesel Cat Fuel Filter Adaptor (SDGCATDMAX) for 2001-2016 Duramax 6.6L

SKU: SDGCATDMAX
$199.28

The Sinister Diesel Duramax fuel filter and adapter kit upgrades the factory fuel filter on 2001-2016 Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks with a 6.6L Duramax V-8. It includes a Caterpillar 2-micron spin-on fuel filter, improving filtration efficiency, fuel system longevity, and reducing maintenance costs.

Sinister Diesel 5″-6″ AR-15® Exhaust Tip (SDEXHSTAR56) Universal

SKU: SDEXHSTAR56
$401.31

The Sinister Diesel AR-15 exhaust tip is designed to resemble the quad-rail handguard of an AR-15 rifle. Made of stainless steel with a powder-coated finish, it features a 5-inch inlet and 6-inch outlet for compatibility with diesel truck exhaust systems. Its dual-wall design helps with heat dissipation, and installation is quick and easy with basic tools.

Sinister Diesel 4″-6″ AR-15® Exhaust Tip (SDEXHSTAR46) Universal

SKU: SDEXHSTAR46
$394.49

The Sinister Diesel AR-15 exhaust tip is designed to resemble the quad-rail handguard of an AR-15 rifle. Made of stainless steel with a powder-coated finish, it features a 4-inch inlet and 6-inch outlet for compatibility with diesel truck exhaust systems. Its dual-wall design helps with heat dissipation, and installation is quick and easy with basic tools.

Sinister Diesel 4″-5″ AR-15® Exhaust Tip (SDEXHSTAR45) Universal

SKU: SDEXHSTAR45
$375.38

The Sinister Diesel AR-15 exhaust tip is designed to resemble the quad-rail handguard of an AR-15 rifle. Made of stainless steel with a powder-coated finish, it features a 4-inch inlet and 5-inch outlet for compatibility with diesel truck exhaust systems. Its dual-wall design helps with heat dissipation, and installation is quick and easy with basic tools.