All Products
Sinister Diesel Steering Box Support (SDDODGESBS9402) for 1994-2002 Cummins 5.9L
The Sinister Diesel Steering Box Support is designed for 1994–2002 Dodge Cummins 4×4 trucks to improve steering precision and performance by eliminating steering box flex. Made from high-strength materials for durability, it reinforces the steering box mounting area to reduce movement under load, enhancing stability and control. It installs easily as a direct bolt-on replacement with no modifications required.
Sinister Diesel Steering Box Support (SDDODGESBS13) for 2013-2024 Cummins 6.7L
The Sinister Diesel Cummins Steering Box Brace reduces steering wobble in Cummins-powered Dodge trucks. It includes all necessary hardware for an easy installation in about an hour and fits 2013+ Dodge 2500/3500 4×4 models.
Sinister Diesel Steering Box Support (SDDODGESBS1012) for 2010-2012 Cummins 6.7L
The Sinister Diesel Steering Box Support is designed for 2010–2012 Dodge Cummins 4×4 trucks to reduce steering box flex and improve steering precision and performance. Made from high-strength materials, it reinforces the steering box mounting area, enhancing stability and control. It features a direct bolt-on design for easy, modification-free installation.
Sinister Diesel Steering Box Support (SDDODGESBS0309) for 2003-2009 Cummins 5.9L / 6.7L
The Sinister Diesel Steering Box Support is designed for 2010–2012 Dodge Cummins 4×4 trucks to reduce steering box flex and improve steering precision and performance. Made from high-strength materials, it reinforces the steering box mounting area, enhancing stability and control. It features a direct bolt-on design for easy, modification-free installation.
Sinister Diesel Degas Bottle (SDDEGASLML13) for 2013-2015 Duramax 6.6L
Upgrade your 2013-15 Duramax 6.6L with Sinister Diesel’s high-strength, all-aluminum coolant reservoir. Made from 6061 aircraft-grade aluminum, TIG welded, and pressure tested, it enhances durability and heat dissipation for better performance and longevity. This direct drop-in replacement requires no modifications and installs in under 30 minutes with basic tools.
Sinister Diesel Coolant Reservoir (Degas) (SDDEGAS73) for 1999.5-2003 Powerstroke 7.3L
Upgrade your cracked or leaky factory coolant reservoir with Sinister Diesel’s high-strength, all-aluminum coolant reservoir for 1999.5–2003 Powerstroke 7.3L engines. Made from durable 6061 aircraft-grade aluminum, it’s TIG welded, pressure tested, and designed to improve cooling system performance and longevity. This direct drop-in replacement requires no modifications and installs easily in under 30 minutes with basic tools. It features a sight glass for easy coolant checks and comes with all necessary hardware.
Sinister Diesel Coolant Reservoir (Degas) (SDDEGAS67P20) for 2017-2021 Powerstroke 6.7L
Upgrade your cracked or leaky factory coolant reservoir with Sinister Diesel’s high-strength, all-aluminum coolant reservoir for 1999.5–2003 Powerstroke 7.3L engines. Made from durable 6061 aircraft-grade aluminum, it’s TIG welded, pressure tested, and designed to improve cooling system performance and longevity. This direct drop-in replacement requires no modifications and installs easily in under 30 minutes with basic tools. It features a sight glass for easy coolant checks and comes with all necessary hardware.
Sinister Diesel Degas Bottle (SDDEGAS64) for 2008-2010 Powerstroke 6.4L
Sinister Diesel’s new Coolant Reservoir is made from durable 6061 aircraft-grade aluminum, TIG welded, and pressure tested for strength. Unlike factory plastic tanks that can crack and leak, this aluminum design improves durability and heat dissipation, enhancing performance and longevity. It uses the factory cap (with upgrade options) and includes a sight glass for easy level checks.
Sinister Diesel Degas Bottle Cap (SDDCFORD94) for 1994-2016 Powerstroke 6.0L / 6.4L / 6.7L / 7.3L
The Sinister Diesel Coolant Reservoir (Degas) Cap is a high-quality aftermarket upgrade for 1994-2016 Powerstroke engines. It provides a superior seal over stock caps, maintaining optimal system pressure for efficient cooling performance. Rigorously tested to meet or exceed industry standards, it reflects Sinister Diesel’s commitment to quality and features their signature blue finish.
Sinister Diesel Coolant Reservoir (Degas) Cap (SDDCDMAX01) for 2001-2016 Duramax 6.6L
The Sinister Diesel Coolant Reservoir Cap is a factory-style replacement with a custom design. Made from CNC-machined T6-6061 aluminum, it fits OEM and Sinister Diesel reservoirs for 2001-2016 GM Duramax models. It includes an internal pressure relief system for reliability, even if the gasket fails. Available in gray or Sinister Blue, it combines durability with a stylish look.
Sinister Diesel Degas Bottle Cap (SDDC67P17) for 2017-2019 Powerstroke 6.7L
The Sinister Diesel Coolant Reservoir Cap fits 2017-2019 Powerstroke engines and offers a custom design while functioning like a factory cap. Made from CNC-machined T6-6061 billet aluminum, it includes an interior pressure relief system for reliability. Available in gray or Sinister Blue, it combines durability with a stylish look.
Sinister Diesel Complete Solution Kit (SDCS60SCBLUE20) for 2003-2007 Powerstroke 6.0L w/20mm Head Gaskets
The Sinister Diesel Complete Solution® Kit is designed to enhance the performance and reliability of the 6.0 Powerstroke engine by preventing common issues like blown head gaskets and EGR cooler failures. The kit includes an upgraded EGR cooler with superior cooling capacity, a heavy-duty oil cooler for better engine oil cooling, and ARP Head Studs to prevent head gasket failures.
Sinister Diesel Complete Solution® (SDCS60) for 2003-2007 Powerstroke 6.0L
The Sinister Diesel Complete Solution® Kit is a comprehensive upgrade for rebuilding the 6.0 PowerStroke engine in 2004-2007 Ford F-Series Super Duty trucks and Ford Excursion SUVs. It addresses common engine issues like stretched head bolts, blown head gaskets, and excessive exhaust smoke. The kit includes essential components such as a replacement EGR cooler, head gaskets, ARP head studs, an updated oil cooler kit, intake gaskets, and turbo hardware. Easy to install, this all-in-one solution ensures a reliable rebuild, making it ideal for work, pleasure, or show vehicles.
Sinister Diesel Coolant Filtration System (w/ WIX) (SDCOOLFIL73W) for 1999-2003 Powerstroke 7.3L
This coolant filtration kit helps extend the life of your engine’s water pump, EGR cooler, and oil cooler by removing contaminants like casting sand and metal shavings. It filters small amounts of coolant while the engine runs and features a CNC-machined billet 6061 aluminum filter block that mounts without drilling. The kit includes all necessary fittings, and the filter is easily replaceable.
Sinister Diesel Coolant Filtration System (w/CAT) (SDCOOLFIL73C) for 1999-2003 Powerstroke 7.3L
This coolant filtration kit helps extend the life of your engine’s water pump, EGR cooler, and oil cooler by removing contaminants like casting sand and metal shavings. It filters small amounts of coolant while the engine runs and features a CNC-machined billet 6061 aluminum filter block that mounts without drilling. The kit includes all necessary fittings, and the filter is easily replaceable.
Sinister Diesel Coolant Filtration System (w/WIX) (SDCOOLFIL67CW) for 2007.5-2012 Cummins 6.7L
Even brand-new or rebuilt engines can have contaminated coolant with particles like casting sand, metal shavings, and rust, which can reduce cooling efficiency and damage components like the water pump, EGR cooler, and oil cooler. The Sinister Diesel 6.7L Cummins Coolant Filter Kit helps maintain optimal cooling system performance by filtering out these contaminants. Made from 6061 billet aluminum, the kit includes all necessary mounts and fittings for installation. The filter boss has two inlet ports and one outlet port.
Sinister Diesel Coolant Filtration System (w/CAT) (SDCOOLFIL67CC) for 2007.5-2012 Cummins 6.7L
Even brand-new or rebuilt engines can have contaminated coolant with particles like casting sand, metal shavings, and rust, which can reduce cooling efficiency and damage components like the water pump, EGR cooler, and oil cooler. The Sinister Diesel 6.7L Cummins Coolant Filter Kit helps maintain optimal cooling system performance by filtering out these contaminants. Made from 6061 billet aluminum, the kit includes all necessary mounts and fittings for installation. The filter boss has two inlet ports and one outlet port.
Sinister Diesel Coolant Filtration System (w/ WIX) (SDCOOLFIL6611W) for 2011-2015 Duramax 6.6L LML
This Coolant Filter Bypass System extends the life of your diesel engine by removing contaminants like casting sand and metal shavings, protecting the water pump, EGR cooler, and oil cooler. It filters small amounts of coolant while the engine runs. The CNC-machined aluminum filter block mounts using factory holes, requiring no drilling. The kit includes all necessary fittings, and the filter is easy to replace.
Sinister Diesel Coolant Filtration System (SDCOOLFIL6601W) for 2001-2010 Duramax 6.6L LB7 / LLY / LBZ / LMM
This Coolant Filter Bypass System extends the life of your diesel engine by removing contaminants like casting sand and metal shavings, helping to protect the water pump, EGR cooler, and oil cooler. It bypasses and filters small amounts of coolant while the engine runs. The kit includes a CNC-machined billet aluminum filter block that mounts using factory holes, requiring no drilling. It comes with all necessary fittings, and the filter is easy to replace.
Sinister Diesel Coolant Filtration System (w/WIX) (SDCOOLFIL64W) for 2008-2010 Powerstroke 6.4L
The Sinister Diesel Coolant Filtration System for 6.4L Powerstroke engines removes contaminants to protect and extend the life of the cooling system. Regular use helps prevent premature wear, ensuring smooth performance and long-term cost savings.
Sinister Diesel Coolant Filtration System (w/CAT) (SDCOOLFIL64C) for 2008-2010 Powerstroke 6.4L
The Sinister Diesel Coolant Filtration System for 6.4L Powerstroke engines removes contaminants to protect and extend the life of the cooling system. Regular use helps prevent premature wear, ensuring smooth performance and long-term cost savings.
Sinister Diesel Coolant Filtration System (w/CAT) (SDCOOLFIL60C) for 2003-2007 Powerstroke 6.0L
Contaminants like casting sands, metal shavings, rust, and mineral deposits in your 6.0L Powerstroke engine’s coolant can reduce cooling efficiency and damage components over time. This coolant filter kit mounts easily without drilling and includes all necessary fittings.
Sinister Diesel Coolant Filtration System (w/WIX) (SDCFL5P20) for 2020-2021 Duramax L5P 6.6L
The Coolant Filtration Bypass System extends the life of diesel engines by removing contaminants like casting sand and metal shavings, protecting components such as the water pump, EGR cooler, and oil cooler. Designed for the L5P 6.6L Duramax engine, this system filters small amounts of coolant while the engine runs. It features a CNC-machined billet aluminum filter block that mounts without drilling, durable hoses, and a premium Wix coolant filter.
Sinister Diesel Coolant Filtration System (w/CAT) (SDCF67P20) for 2020-2022 Powerstroke 6.7L
This coolant filtration kit helps extend the life of your engine’s water pump, EGR cooler, and radiator by removing contaminants like casting sand and metal shavings. It filters small amounts of coolant while the engine runs and features a CNC-machined billet aluminum filter boss that mounts without drilling.
