Prime Time Savings Upgrade Your Diesel Performance
Limited-time discounts on our most popular performance upgrades. Don't miss your chance to save!
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Hot Deals by Category
Upgrade your diesel with these limited-time discounts
10% OFF
10% OFF
12% OFF
Featured Sale Products
Best-selling items now at discounted prices
10% OFF
6.7L Powerstroke Cold Air Intakes
High-flow air intake system increases horsepower and improves throttle response while protecting your engine from harmful contaminants.
View Products10% OFF
6.7 Powerstroke Charge Pipes
Replace the failure-prone plastic OEM charge pipe with our durable billet aluminum design that won't crack under pressure.
View Products12% OFF
6.7 Cummins Coolant and Oil Filtration System Systems
Complete coolant filtration kit that removes harmful debris and extends the life of your cooling system components.
View Products12% OFF
6.7 Powerstroke Fuel Filter Conversion Kit
Eliminate the risk of cracked OEM housings with our reinforced fuel filter conversion system.
View Products12% OFF
6.0 Powerstroke Oil Filtration Systems
Advanced oil filtration that removes contaminants before they can damage your engine's critical components.
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Why Upgrade With Sinister Diesel?
Premium performance parts designed to outperform the competition
American Made Quality
All Sinister Diesel products are designed and manufactured in the USA using premium materials and rigorous quality control standards.
Proven Performance
Our components are tested in real-world conditions to ensure they deliver measurable improvements to power, efficiency, and reliability.
Limited Lifetime Warranty
We stand behind our products with one of the best warranties in the industry - if it fails due to manufacturing defects, we'll replace it.
Don't Miss These Prime Time Savings
These discounts won't last forever - upgrade your diesel today and start enjoying improved performance and reliability
Use Code: PRIME at Checkout
