Sinister Diesel

Sinister Diesel Performance Parts

  • Sinister Diesel® - Billet Cap Assembly
    Sinister Diesel®Billet Cap Assembly
    0
    # sp29806
    Billet Cap Assembly by Sinister Diesel®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest technology,...
    High quality at an affordable priceExpertly made from premium materials
    $253.99
  • Sinister Diesel® - External Oil Filter System
    Sinister Diesel®External Oil Filter System
    0
    # sp29798
    External Oil Filter System by Sinister Diesel®. Keeping your oil clean is what it all comes down to. The Sinister oil filter kit is here to do just that. This the best oil filter available on the market with our parts to filter better...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $470.99 - $620.99
  • Sinister Diesel® - CAT™ Fuel Filter Adapter
    Sinister Diesel®CAT™ Fuel Filter Adapter
    0
    # sp29807
    CAT™ Fuel Filter Adapter by Sinister Diesel®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    Improved Filtration EfficiencyCNC Billet Aluminum Construction
    $116.99 - $151.99
  • Sinister Diesel® - Black Diamond™ Head Gasket
    Sinister Diesel®Black Diamond™ Head Gasket
    0
    # sp29795
    Black Diamond™ Head Gasket by Sinister Diesel®. Replace blown, leaky stock head gaskets in your diesel truck with high performance gaskets designed to operate in the extreme heat and high cylinder pressures that your Duramax Diesel...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $111.99 - $233.99
  • Sinister Diesel® - Fuel Regulator and Return Hose Kit
    Sinister Diesel®Fuel Regulator and Return Hose Kit
    0
    # sp112853
    Fuel Regulator and Return Hose Kit by Sinister Diesel®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest...
    High quality at an affordable priceExpertly made from premium materials
    $801.99 - $860.99
  • Sinister Diesel® - Water Pump
    Sinister Diesel®Water Pump
    0
    # sp29805
    Water Pump by Sinister Diesel®. Proper heat management from the cooling system is crucial on modified engines when you want trouble-free and reliable performance. The factory Duramax water pump is known to slip under load and can...
    TIG welded on both Impeller and GearDrop-in replacement for factory water pump
    $245.99 - $624.99
  • Sinister Diesel® - Fuel Filter Cap
    Sinister Diesel®Fuel Filter Cap
    0
    # sp29809
    Fuel Filter Cap by Sinister Diesel®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest technology, they...
    High quality at an affordable priceExpertly made from premium materials
    $68.99 - $116.99
  • Sinister Diesel® - Motor Fuel Rail Plug
    Sinister Diesel®Motor Fuel Rail Plug
    0
    # sp29811
    Motor Fuel Rail Plug by Sinister Diesel®. The Sinister Diesel Fuel Rail Race Plug replaces the stock or shimmed pressure relief valve in the Sinister Diesel Fuel rail with a solid plug that will not fail or slowly leak. Using this Race...
    High quality at an affordable priceExpertly made from premium materials
    $52.99
  • Sinister Diesel® - Bypass Oil Filter System
    Sinister Diesel®Bypass Oil Filter System
    1
    # sp29796
    Bypass Oil Filter System by Sinister Diesel®. The oil system in your engine is crucial to the trucks performance and life. Designed utilizing the latest technology, this product by Sinister Diesel features premium quality and will...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $353.99 - $470.99
  • Sinister Diesel® - Intake Elbow
    Sinister Diesel®Intake Elbow
    1
    # sp29803
    Intake Elbow by Sinister Diesel®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for...
    Mandrel Bent Tubing1/8" NPT Bung Installed
    $116.99 - $506.99
  • Sinister Diesel® - Cold Air Intake
    Sinister Diesel®Cold Air Intake
    0
    # sp224554
    Cold Air Intake by Sinister Diesel®. Get the coolest and densest air into the engine in the smoothest and cleanest way possible with the cold air intake by Sinister Diesel to enjoy better combustion, more power output, and better fuel...
    Designed to deliver impressive performance and built to last for years to comeFeeds your engine more air so it can burn extra fuel for more HP and acceleration
    $293.99 - $494.99
  • Sinister Diesel® - Diesel Series 304 SS Round Angle Cut Clamp-On Exhaust Tip
    Sinister Diesel®Diesel Series 304 SS Round Angle Cut Clamp-On Exhaust Tip
    0
    # 294693593
    Universal Diesel Series 304 SS Round Angle Cut Exhaust Tip by Sinister Diesel®. Tip Shape: Round. Tip Cut Type: Angle Cut. Tip Length: 12". Tip Attachment Style: Clamp-On. Exhaust tips are an affordable way to improve your vehicle's...
    High quality at an affordable priceExpertly made from premium materials
    $58.99 - $81.99
  • Sinister Diesel® - AR-15 Stainless Steel Round Straight Cut Clamp-On Exhaust Tip
    Sinister Diesel®AR-15 Stainless Steel Round Straight Cut Clamp-On Exhaust Tip
    0
    # 294693579
    Universal AR-15 Stainless Steel Round Straight Cut Exhaust Tip by Sinister Diesel®. Tip Shape: Round. Tip Cut Type: Straight Cut. Tip Inlet Diameter: 4". Tip Attachment Style: Clamp-On. This tip is crafted from powder coated stainless...
    Unique AR-15 Riffle designConstruction - Stainless Steel
    $234.99
  • Sinister Diesel® - Alternator
    Sinister Diesel®Alternator
    0
    # sp199627
    Alternator by Sinister Diesel®. Sinister Diesel OEM alternators are trusted by many Diesel repair shops and stores to be the “fix-all solution” for the Ford Powerstroke 6.0L/7.3L alternator failures which may cause electronics...
    Elaborately designed to provide just enough powerIdentical in specifications to the factory alternator
    $687.99 - $776.99
  • Sinister Diesel® - Fuel Tank Cap
    Sinister Diesel®Fuel Tank Cap
    0
    # sp234783
    Fuel Tank Cap by Sinister Diesel®. The Sinister Diesel Fuel Rail Race Plug replaces the stock or shimmed pressure relief valve in the Sinister Diesel Fuel rail with a solid plug that will not fail or slowly leak. Using this Race Plug in...
    High quality at an affordable priceExpertly made from premium materials
    $47.99 - $64.99
  • Sinister Diesel® - Oil Filter Cap
    Sinister Diesel®Oil Filter Cap
    0
    # sp212516
    Oil Filter Cap by Sinister Diesel®. A cracked or broken filter cap can lead to oil leaks or extra costs associated with repairs, but the oil filter cap from Sinister Diesel ensures this won't happen. And it looks good while getting the...
    6061 T6 Billet AluminumTough, heat-resistant design
    $116.99
  • Sinister Diesel® - Coil Spring Spacers
    Sinister Diesel®Coil Spring Spacers
    0
    # sp129874
    Coil Spring Spacers by Sinister Diesel®. If you want to level your car, Sinister Diesel leveling kit is what you want. And we just happen to have it for a price you want too. If you want to level the front end of your truck with the...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $128.99 - $269.99
  • Sinister Diesel® - Engine Coolant Recovery Tank
    Sinister Diesel®Engine Coolant Recovery Tank
    0
    # sp234250
    Engine Coolant Recovery Tank by Sinister Diesel®. Sinister Diesel's new Coolant Reservoir is made from 6061 aircraft grade aluminum which is TIG welded and pressure tested for maximum strength. This fabrication method makes...
    TIG Welded 6061 Aluminum Construction - Substantially stronger than OEMPressure tested
    $411.99 - $530.99
  • Sinister Diesel® - Diesel Fuel Injector
    Sinister Diesel®Diesel Fuel Injector
    0
    # sp137750
    Diesel Fuel Injector by Sinister Diesel®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest technology,...
    High quality at an affordable priceExpertly made from premium materials
    $288.99
  • Sinister Diesel® - Brake Master Cylinder Cap
    Sinister Diesel®Brake Master Cylinder Cap
    0
    # sp232529
    Brake Master Cylinder Cap by Sinister Diesel®. The Sinister Diesel Adjustable Track Bar is precision manufactured from high strength forged bars for unparalleled durability and includes long lasting Heavy Duty polyurethane bushings....
    High quality at an affordable priceExpertly made from premium materials
    $45.99
  • Sinister Diesel® - Blue Spring Kit Fuel Filter Cap
    Sinister Diesel®Blue Spring Kit Fuel Filter Cap
    0
    # sp258165
    Blue Spring Kit Fuel Filter Cap by Sinister Diesel®. Designed with big speed fans in mind, this mind-blowing fuel system upgrade will help you maximize engine performance and fuel efficiency. It’s easy to install and will help you...
    Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency
    $187.99
  • Sinister Diesel® - Bowl Delete Fuel Filter
    Sinister Diesel®Bowl Delete Fuel Filter
    0
    # sp196801
    Bowl Delete Fuel Filter by Sinister Diesel®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the highest grade materials and the latest technology,...
    High quality at an affordable priceExpertly made from premium materials
    $76.99
  • Sinister Diesel® - Steering Box Stabilizer
    Sinister Diesel®Steering Box Stabilizer
    0
    # sp178195
    Steering Box Stabilizer by Sinister Diesel®. If you are looking to upgrade the steering system of your vehicle to make the most out of your vehicle’s performance, go with this high-grade steering part that is engineered to be...
    High quality at an affordable priceBuilt to match your exact requirements
    $234.99
  • Sinister Diesel® - Steering Box Support
    Sinister Diesel®Steering Box Support
    0
    # sp178196
    Steering Box Support by Sinister Diesel®. If you are looking to upgrade the steering system of your vehicle to make the most out of your vehicle’s performance, go with this high-grade steering part that is engineered to be second...
    High quality at an affordable priceBuilt to match your exact requirements
    $671.99
  • Sinister Diesel® - Aluminum Radiator Pipe
    Sinister Diesel®Aluminum Radiator Pipe
    0
    # sp254570
    Aluminum Radiator Pipe by Sinister Diesel®. Factory coolant hoses are prone to abrasions and cracking over time that could lead to cooling system failures, but this radiator pipe kit is the perfect way to ensure that your cooling system...
    Abrasion and Crack-Resistant 6061 Aluminum Alloy PipingPrecision Mandrel Bent Tubing for a Perfect Fit
    $151.99
  • Sinister Diesel® - Engine Coolant Filtration System
    Sinister Diesel®Engine Coolant Filtration System
    0
    # sp219563
    Engine Coolant Filtration System by Sinister Diesel®. Add years of life to your engine with this Water Coolant Filter Bypass System. Removing contaminates such as the casting sand and metal shavings left over from the manufacturing...
    Aluminum 6061 filter blockCNC machined
    $175.99 - $222.99
  • Sinister Diesel® - Silicone Hose
    Sinister Diesel®Silicone Hose
    0
    # sp178190
    Silicone Hose by Sinister Diesel®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide excellent performance and...
    High quality at an affordable priceBuilt to match your exact requirements
    $235.99 - $254.99
  • Sinister Diesel® - Engine Coolant Reservoir Cap
    Sinister Diesel®Engine Coolant Reservoir Cap
    0
    # sp254571
    Engine Coolant Reservoir Cap by Sinister Diesel®. This new Coolant Reservoir Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoirs for 1994-2016 Powerstroke...
    CNC Machined from T6-6061 Billet AluminumEtched Sinister Diesel Logo
    $70.99
  • Sinister Diesel® - Thermostat Housing
    Sinister Diesel®Thermostat Housing
    0
    # sp251376
    Thermostat Housing by Sinister Diesel®. This billet aluminum housing replaces the OEM housing which can be lower-quality stamped steel that may not always seal properly after replacing your thermostat. The OEM housing can also tend to...
    High quality at an affordable priceBuilt to match your exact requirements
    $80.99 - $92.99
  • Sinister Diesel® - Battery Hold Down Retainer
    Sinister Diesel®Battery Hold Down Retainer
    0
    # sp247343
    Battery Hold Down Retainer by Sinister Diesel®. Keep your battery in place while giving your engine bay some Sinister Diesel flair! These hold downs are CNC milled here at the Sinister Diesel headquarters from billet aluminum to protect...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $151.99




What could you get when a team of diesel, truck, and 4x4 off-road fans get together, while being united by a dream of radically changing the automotive aftermarket? You could surely get Sinister Diesel! The company’s founders, Michael Mitchell and Brian George, just like each and every one of the members of their team, share a love of everything diesel. And so it happened that one afternoon, while having to work on Brian’s truck, they’ve started a new company.

Now customers can easily find one of the greatest selections of high-quality Sinister Diesel performance products all in one place. The company has become a one-stop shop for Duramax, Cummins, and Powerstroke diesel performance parts for many off-road enthusiasts. Sinister Diesel had their own vision about exactly how their products should perform and look like. Some of the company’s products feature distinctive and stylish metallic blue color, that the company itself calls the “Sinister Blue”.

Right from the very beginning, Sinister Diesel has gotten a great reputation for their products; that’s how the company knew that they were on the right track. Today, it is perhaps one of the fastest developing companies providing high-performance aftermarket diesel components and systems. The brand is proud to offer air intakes and parts, injectors, Sinister EGR delete kits, tuners and programmers, Sinister Diesel exhaust systems, etc. The company offers high-performance aftermarket parts for any type of diesel trucking to help their customers modify or repair the Duramax, Cummins, or Powerstroke diesel engine. The spirit of diesel trucking fans is very much like their own - a little bit rebel. We don’t all lead rebel lifestyles, but we all can share that spirit, and Sinister Diesel captures it.

Sinister Diesel Reviews

9 reviews
5 of 5
Worth it
Item looks great, ships fast and work awesome definitely worth it!
Posted by Jordan (Berlin, WI) / February 14, 2020
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