Diesel Performance Parts & Accessories
Shop diesel performance parts at Offroad Unlimited. Find tuners, fuel systems, injectors & upgrades from top brands for Power Stroke, Cummins & Duramax.
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It's common knowledge that the oil cooler on the 6.0L PowerStroke is prone to failure which could leave you with costly repairs, so Sinister Diesel offers the Ford 6.0 Oil Cooler kit to make sure your truck stays running right. Better yet, this oil...Regular price $399.99 USDRegular priceUnit price per
$519.99 USDSale price $399.99 USD -
Maximize the performance and efficiency of your 1999.5 through 2003 Ford 7.3L PowerStroke V-8 by replacing the stock, restrictive piping that connects the intercooler to your engine with the 7.3L Powerstroke charge pipe kit. This upgraded 3" cold side charge pipe is larger in...Regular price $499.99 USDRegular priceUnit price per
$649.99 USDSale price $499.99 USD -
Maximize the performance and efficiency of your 2017 through 2021 Ford 6.7L PowerStroke V-8 by replacing the stock, restrictive piping that connects the intercooler to your engine with the 2017-2021 Powerstroke 6.7L cold side charge pipe. This upgraded 3" cold side charge pipe is...Regular price $369.99 USDRegular priceUnit price per
$480.99 USDSale price $369.99 USD -
Sinister Diesel 11-16 Ford Powerstroke 6.7L Cold Side Charge PipeRegular price $369.99 USDRegular priceUnit price per
$480.99 USDSale price $369.99 USD -
The Sinister Diesel Charge Pipe Kit for the Powerstroke 6.4L includes the intercooler pipe that connects the intercooler to the intake, and the pipe that connects the turbocharger compressor to the intercooler. This upgraded pipe is larger in diameter and has smooth mandrel bends...Regular price $759.99 USDRegular priceUnit price per
$987.99 USDSale price $759.99 USD -
Sinister Diesel Intercooler Charge Pipes for Ford TrucksThe Sinister Diesel Charge Pipe Kit for the Powerstroke 6.0L includes the intercooler pipe that connects the intercooler to the intake, and the pipe that connects the turbocharger compressor to the intercooler. This upgraded pipe is larger...Regular price $579.99 USDRegular priceUnit price per
$753.99 USDSale price $579.99 USD -
Sinister Diesel Intercooler Charge Pipes for Ford Trucks, The Sinister Diesel Hot Side Intercooler Charge Pipe for the Powerstroke 6.0L replaces the stock, restrictive piping that connects the turbocharger to your intercooler. This upgraded pipe is larger in diameter and has smooth mandrel bends...Regular price $307.99 USDRegular priceUnit price per
$400.39 USDSale price $307.99 USD -
Sinister Diesel Intercooler Charge Pipes for Ford TrucksThe Sinister Diesel Cold Side Charge Pipe Kit for the Powerstroke 6.0L connects the intercooler to the intake. This upgraded pipe is larger in diameter and has smooth mandrel bends to increase air flow velocity to improve...Regular price $307.99 USDRegular priceUnit price per
$400.39 USDSale price $307.99 USD -
The Sinister Diesel LML Intake Bridge replaces the restrictive stock piping on your 2011 - 2016 GM 6.6L Duramax Diesel with larger diameter CNC mandrel bent aluminum tubing that optimizes airflow after the throttle valve and heater. The increased diameter of the air path...Regular price $459.99 USDRegular priceUnit price per
$597.99 USDSale price $459.99 USD -
The Sinister Diesel 7.3L Power Stroke intake manifold serves as an upgrade to your performance and appearance. It replaces the restrictive stock piping on your 1999.5-2003 Ford F-250 or F-350 Super Duty with larger diameter CNC mandrel bent aluminum tubing. The increased diameter and...Regular price $719.99 USDRegular priceUnit price per
$935.99 USDSale price $719.99 USD -
Sinister Diesel Regulated Fuel Return Kit for 7.3L Powerstroke Diesel, The Sinister Diesel Regulated Fuel Return Kit is designed to fit every Ford F-250 and F-350 Super Duty truck equipped with the 7.3L Powerstroke Diesel Engine. It's constructed with CNC machined billet aluminum parts...Regular price $1,129.99 USDRegular priceUnit price per
$1,468.99 USDSale price $1,129.99 USD -
The Sinister Diesel Regulated Fuel Return Kit is designed to fit the 2003-2007 model year Ford F-250 and F-350 Super Duty equipped with the 6.0L Powerstroke Diesel Engine. It's constructed with CNC machined billet aluminum parts and stainless steel braided fuel lines and nickel-plated...Regular price $1,059.99 USDRegular priceUnit price per
$1,377.99 USDSale price $1,059.99 USD -
The easy 30 minute install of the new updated "Blue Spring" will increase your fuel pressure back up to where it should be from the factory. Most 6.0's see an increase of 10 psi of fuel pressure. The added fuel pressure will help keep...Regular price $129.99 USDRegular priceUnit price per
$168.99 USDSale price $129.99 USD -
The Sinister Diesel Coolant Filter Oil Filter Kit for 6.0L Ford Powerstroke is designed to extend the service life of your fluids by keeping both your oil and coolant free from tiny contaminants that can cause damage to your engine. Oil and Coolant are...Regular price $934.99 USDRegular priceUnit price per
$1,215.49 USDSale price $934.99 USD -
Removing contaminates such as the casting sand and metal shavings means your engine's water pump, EGR cooler and oil cooler will last longer. This kit is designed to bypass and filter small amounts of the engine'coolant while your diesel engine is running. The CNC...Regular price $229.99 USDRegular priceUnit price per
$298.99 USDSale price $229.99 USD -
Even on freshly rebuilt, or brand new engines, the coolant is usually contaminated with microscopic particles including casting sand leftover from the manufacturing process, metal shavings, rust, and mineral deposits that can diminish the cooling system's ability to absorb heat. If these particles are...Regular price $229.99 USDRegular priceUnit price per
$298.99 USDSale price $229.99 USD -
Sinister Diesel 03-07 Ford 6.0L Ford Powerstroke Coolant Filtration System w/ Wix FilterRegular price $249.99 USDRegular priceUnit price per
$324.99 USDSale price $249.99 USD -
If you want to ensure maximum protection for your GM diesel engine's fuel system, then be sure to check out this upgraded Duramax fuel filter. Instead of a the factory fuel filter, the Sinister Diesel Duramax fuel filter and adapter kit comes with everything...Regular price $149.99 USDRegular priceUnit price per
$194.99 USDSale price $149.99 USD -
The more air you can get to your truck's engine the better and more efficiently it runs, and factory air intakes just can't stand up to the Sinister Diesel 2013-16 Duramax 6.6L cold air intake in this regard. This cold air intake kit significantly...Regular price $499.99 USDRegular priceUnit price per
$649.99 USDSale price $499.99 USD -
Whether you need to replace a damaged filter on your Sinister Diesel Cold Air Intake or if you're making your own air intake, Sinister Diesel has you covered! Coming in at 10" tall and a 4" Inner Diameter and high flow filter, the Sinister...Regular price $129.99 USDRegular priceUnit price per
$168.99 USDSale price $129.99 USD -
Really give your truck a performance edge with this 7.3L Powerstroke cold air intake from Sinister Diesel. It has been designed, engineered, and fabricated in-house, so you know this cold air intake is of excellent quality. Enjoy improved throttle response and turbo spool-up for...Regular price $309.99 USDRegular priceUnit price per
$402.99 USDSale price $309.99 USD -
Sinister Diesel Cold Air Intake for 2020-2021 Ford Powerstroke 6.7L.Regular price $589.99 USDRegular priceUnit price per
$766.99 USDSale price $589.99 USD -
Diesel engines are simple: air and fuel make power, so with a cold air intake, the more air you get into your engine, the more power you can make. The Sinister Diesel 2011-16 Powerstroke 6.7L cold air intake (CAI) feeds your engine more air...Regular price $579.99 USDRegular priceUnit price per
$753.99 USDSale price $579.99 USD -
Sinister Diesel Cold Air Intake for 2011-2016 Ford Powerstroke 6.7L.This Part Fits: Year Make Model Submodel 2011-2016 Ford F-250 Super Duty King Ranch 2011-2016 Ford F-250 Super Duty Lariat 2013-2016 Ford F-250 Super Duty Platinum 2011-2016 Ford F-250 Super Duty XL 2011-2016 Ford F-250...Regular price $579.99 USDRegular priceUnit price per
$753.99 USDSale price $579.99 USD