Duramax
Sinister Diesel Valve Cover Gasket Kit (SDVCKFGM045) For 2004-2010 Duramax 6.6L
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)
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 Intake Resonator Cover Plate (SDRSNTRDLML) for 2011-2016 Duramax 6.6L LML
The Sinister Diesel Intake Resonator Cover Plate SDRSNTRDLML fits 2011-2016 Duramax 6.6L LML engines. It replaces the bulky factory intake resonator with a cleaner and more durable cover plate. This upgrade helps reduce the risk of cracks that can allow unfiltered air into the intake system. It also improves engine bay appearance and intake reliability. The SDRSNTRDLML provides a dependable intake system upgrade.
SINISTER DIESEL TRANSMISSION REAR HOUSING SUPPORT (SDRHSDMAXZF6) FOR 2001-2005 Duramax LB7 LLY using ZF6 transmission
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 (SDRHSDMAXLML) FOR 2011-2016 Duramax LML with ALLISON transmission
The Sinister Diesel Transmission Rear Housing Support SDRHSDMAXLML fits 2011-2016 Duramax LML trucks with Allison 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 SDRHSDMAXLML 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
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 (SDRADTUBEDMAX11) for 2011-2016 Duramax 6.6L LML
The Sinister Diesel Radiator Pipe SDRADTUBEDMAX11 fits 2011-2016 Duramax 6.6L LML engines. It replaces factory coolant hoses with durable 6061 aluminum construction for improved reliability. The kit includes heat-resistant four-ply silicone boots rated to 400 PSI. Precision mandrel bends provide proper fitment and installation. The SDRADTUBEDMAX11 adds cooling system durability and improved engine bay appearance.
Sinister Diesel Radiator Pipe (SDRADTUBEDMAX01) for 2001-2005 Duramax 6.6L LB7 / LLY
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
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.
Sinister Diesel Edition Powermax Series 1 Turbo (SDPWRMAX661) for 2004.5-2010 Duramax 6.6L LLY / LBZ / LMM
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.
Sinister Diesel PITBULL SERIES® Turbocharger (SDPB66TURBO11) for 2011-2016 Duramax 6.6L LML
The Sinister Diesel PITBULL SERIES® Turbocharger is a high-performance, drop-in upgrade for 2011–2016 Chevy and GMC Duramax 6.6L trucks. It retains the factory VGT and mounting style for easy installation, improves power potential up to 650 horsepower, maintains low-end drivability, reduces peak exhaust gas temperatures (EGTs), and lowers drive pressure.
Sinister Diesel PITBULL SERIES® Turbocharger for 2004.5-2010 Duramax 6.6L LLY/LBZ/LMM
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.
SINISTER DIESEL HIGH PERFORMANCE MOTOR MOUNTS (SDMMDMAX) FOR DURAMAX 2001-2010 LB7 / LLY / LBZ / LMM
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 Injector Set (set of 8) (SDLMLINJK0120) for 2011-2016 Duramax 6.6L LML
Sinister Diesel remanufactured fuel injectors restore OEM performance for 2011-2016 Chevy/GMC 2500/3500HD trucks with 6.6L Duramax LML engines. They replace worn stock injectors, improving fuel delivery and engine performance at a lower cost than OEM parts. Includes a 2-year warranty.
Sinister Diesel Coolant Filtration System w /Wix (SDLMLCF11) for 2011-2016 Duramax 6.6L LML
This Coolant Filter Bypass System helps extend the life of your diesel engine by removing contaminants like casting sand and metal shavings, protecting components such as the water pump, EGR cooler, and oil cooler. It filters small amounts of coolant while the engine runs and features a durable CNC-machined aluminum filter block that mounts without drilling.
Sinister Diesel Injector Set (Set of 8) (SDLB7INJK0120) for 2001-2004 Duramax 6.6L LB7
Sinister Diesel remanufactured fuel injectors for the 6.6L Duramax LB7 restore OEM performance in 2001-2004 Chevy/GMC 2500 and 3500HD trucks. These injectors replace worn stock parts, improving fuel delivery, horsepower, and torque at a lower cost than OEM replacements.
Sinister Diesel Intake Bridge & Hot Side Charge Pipe Kit (SDINTRPIPELMLHOTIE) for 2011-2016 Duramax 6.6L LML
The Sinister Diesel LML Intake Bridge and Charge Pipe Kit upgrades 2011-2016 GM 6.6L Duramax engines by improving airflow and performance. Featuring larger-diameter CNC mandrel-bent aluminum tubing, it enhances turbo spool and efficiency. The intake bridge reduces restrictions, while the charge pipe boosts air velocity and lowers EGTs.
Sinister Diesel Hot Side Charge Pipe Kit for (SDINTRPIPELMLHOT) 2011-2016 Duramax LML 6.6L
The Sinister Diesel Charge Pipe Kit for the Duramax LML 6.6L is a high-performance upgrade that replaces the restrictive factory piping, improving airflow, reducing EGTs, and enhancing engine performance. Made from durable 6061 aluminum alloy, it features smooth mandrel bends and is secured with 5-ply silicone boots and stainless steel clamps for a leak-free seal.
Sinister Diesel Intake Bridge (SDINTELLML) for 2011-2016 Duramax 6.6L LML
The Sinister Diesel LML Intake Bridge is an aftermarket upgrade for 2011–2016 GM 6.6L Duramax Diesel engines that replaces the restrictive stock piping with larger diameter, CNC mandrel-bent aluminum tubing. This design improves airflow after the throttle valve and heater, reducing restriction for better performance and faster turbo spool. It features a high-gloss blue powder coat for a visually appealing finish and offers a performance and aesthetic improvement over the stock cast aluminum component.
Sinister Diesel Injector Package (SDINJPKGLB7) for 2001-2004 Duramax LB7
Sinister Diesel’s Injector Package is designed to strengthen high-performance diesel truck engines by providing a complete set of gaskets and injectors. The package includes ARP head studs, which offer superior clamping force to prevent head gasket failure, and Mahle Motorsport Grade C head gaskets, which ensure a secure seal. The package also contains a full gasket set for all engine components sealing against the cylinder head. Additionally, it includes Sinister Diesel Remanufactured Injectors and matching High-Pressure Fuel Injector Lines, restoring OEM performance at a lower cost than factory replacements.
Sinister Diesel Reman Injector (SDINJGM11) for 2011-2016 GM Duramax LML 6.6L
The Sinister Diesel Stock Reman Injectors are reliable, cost-effective replacements that meet or exceed OEM standards. They restore fuel system performance and offer long-lasting service at a lower price than dealership options. Upgrading the fuel filtration system is recommended when replacing injectors.
Sinister Diesel Reman Injector (SDINJGM075) for 2007.5-2010 Duramax LMM 6.6L
The Sinister Diesel Reman Injector for 2007.5-2010 LMM Duramax is a high-quality remanufactured fuel injector designed to meet or exceed OEM specifications. It undergoes a rigorous remanufacturing process, including thorough inspection, cleaning, and rebuilding with premium components. Built for durability and performance, it ensures a smooth and responsive driving experience, even in demanding conditions.
Sinister Diesel Reman Injector (SDINJGM06) for 2006-2007 Duramax LBZ 6.6L
The Sinister Diesel Reman Injector for the 2006-2007 LBZ Duramax is a high-quality, remanufactured fuel injector designed to meet or exceed OEM specifications. Each injector undergoes a thorough inspection, cleaning, and rebuilding process using premium components for durability and reliability. Engineered for a smooth driving experience, it is built to withstand demanding conditions without compromise.
Sinister Diesel Reman Injector (SDINJGM045) for 2004.5-2005 Duramax LLY 6.6L
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.
