Diesel Prime Days — June 23–26 •
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00Hrs
00Min
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Use Code PRIME2026
Diesel Prime Days 2026

Save 12–35%
Storewide

4 Days Only June 23–26, 2026

Upgrade your Powerstroke, Cummins, or Duramax with proven aluminum parts trusted by thousands of diesel owners nationwide.

Promo Code PRIME2026

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★ 4.8 / 5 Rating • 🚚 Fast U.S. Shipping • 🏠 Family Owned Since 2009
Prime Day Highlights 500+ On Sale
Sinister Diesel Cold Air Intake for Dodge Ram Cummins 6.7L Save 12%
Cold Air Intake — Cummins 6.7L
2013–2018 Dodge/Ram
$499.99$439.99
 Sinister Diesel Cold Air Intake for Ford Powerstroke 6.7L Save 12%
Cold Air Intake — Powerstroke 6.7L
2020–2023 Ford F-250/F-350/F-450
$589.99$519.19
 Sinister Diesel 5 inch DPF-back exhaust for Ford Powerstroke 6.7L Save 12%
5" DPF-Back Exhaust
2017–2023 Ford Powerstroke 6.7L
$569.99$501.59
 Sinister Diesel Fuel Filter Conversion Kit for Ford Powerstroke 6.7L Save 12%
Fuel Filter Conversion Kit
2011–2026 Ford Powerstroke 6.7L
$298.99$263.11
 Sinister Diesel Hot Side Charge Pipe for Ford Powerstroke 6.7L Save 12%
Hot Side Charge Pipe
2011–2026 Ford Powerstroke 6.7L
$429.99$378.39
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500+Products on Sale
Up to 35%Off Storewide
4 DaysLimited Quantities
FastU.S. Shipping
Prime Day Deals

Shop by Category

Air Intakes
Air Intakes
Filtration
Filtration
Coolant System
Coolant System
Engine Parts
Engine Parts
Exhaust Kits
Exhaust Kits
Exterior
Exterior
Intercooler Pipes
Intercooler Pipes
Turbos
Turbos
Apparel
Apparel
All Sinister Parts
All Sinister Parts
All Other Brands
All Other Brands
Open Box / Clearance
Open Box / Clearance
Prime Day Deals by Platform

Shop by Truck

Ford Powerstroke diesel truck
Ford
POWERSTROKE
6.0L  •  6.4L  •  6.7L  •  7.3L
Shop Powerstroke Deals →
Dodge Ram Cummins diesel truck
Dodge / Ram
CUMMINS
5.9L  •  6.7L
Shop Cummins Deals →
Chevrolet GMC Duramax diesel truck
Chevy / GMC
DURAMAX
6.6L LML  •  LBZ  •  L5P
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Prime Day Doorbusters

Best Deals of the Event

Limited Time — Limited Quantities
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Save 12%
Sinister Diesel Complete Blue Package for 2017–2019 Ford Powerstroke 6.7L
Complete Blue Package — 2017–2019 Powerstroke 6.7L
$3,999.99$3,519.99
View Product
Save 12%
Sinister Diesel Complete Blue Kit for 2003–2007 Ford Powerstroke 6.0L
Complete Blue Kit — 2003–2007 Powerstroke 6.0L
$3,216.99$2,830.95
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Save 12%
Sinister Diesel Complete Blue Kit for 2011–2016 Duramax 6.6L LML
Complete Blue Kit — 2011–2016 Duramax 6.6L LML
$2,699.99$2,375.99
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Save 12%
Sinister Diesel Charge Pipe Kit for 2017–2026 Ford Powerstroke 6.7L
Charge Pipe Kit — 2017–2026 Powerstroke 6.7L
$785.99$691.67
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Save 12%
Sinister Diesel Basic Solution Kit for 2004–2007 Ford Powerstroke 6.0L
Basic Solution™ Kit — 2004–2007 Powerstroke 6.0L
$879.99$774.39
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Save 12%
Sinister Diesel Oil Filter and Coolant Filtration System for Ford Powerstroke 6.0L
Oil Filter & Coolant Filtration System — Powerstroke 6.0L
$798.99$703.11
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1,247+ customers purchased during the last Prime Days event

Customer Picks

Fan Favorites

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Sinister Diesel Steering Box Support for Dodge Cummins 6.7LSave 12%
Steering Box Support — 2013–2024 Dodge Cummins 6.7L
$299.99$263.99
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Sinister Diesel Coolant Filtration System for Ford Powerstroke 6.0LSave 12%
Coolant Filtration System — 2003–2007 Powerstroke 6.0L
$229.99$202.39
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Sinister Diesel Severe Duty Kit for Ford Powerstroke 6.7LSave 12%
Severe Duty Kit — 2017–2019 Powerstroke 6.7L
$859.99$756.79
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Sinister Diesel Polished Dual Wall Angle-Cut Exhaust TipSave 12%
Dual Wall Angle-Cut Exhaust Tip — Polished 4" to 6"
$186.99$164.55
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Sinister Diesel Intercooler Charge Pipe Kit for Ford Powerstroke 6.0LSave 12%
Intercooler Charge Pipe Kit — Powerstroke 6.0L
$679.99$598.39
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Sinister Diesel Heavy Duty Oil Cooler for Ford Powerstroke 6.0LSave 12%
Heavy Duty Oil Cooler — 2003–2007 Powerstroke 6.0L
$399.99$351.99
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Why Upgrade During Prime Days

OEM Weak Points.
Proven Solutions.

Stop wasting money on factory parts that fail. Upgrade to Sinister Diesel aluminum solutions built to last — now at the lowest prices of the year.

Shop Reliability Upgrades
Sinister Diesel Fuel Filter Conversion Kit for Ford Powerstroke 6.7L
✕Crack-prone factory plastic fuel filter housing
✓Billet Fuel Filter Conversion Kit — $298.99 $263.11
Sinister Diesel Cold Side Charge Pipe for Ford Powerstroke 6.7L
✕Factory plastic and rubber pipes crack or split under boost
✓3" Aluminum Cold Side Charge Pipe — $369.99 $325.59
Sinister Diesel Coolant Filtration System for Dodge Cummins 6.7L
✕Casting sand, rust, and debris restrict coolant flow
✓Coolant Filtration System — $249.99 $219.99
Sinister Diesel Blue EGR Cooler for Ford Powerstroke 6.0L
✕Factory fin-style EGR cooler can crack and leak coolant
✓Blue Stainless-Tube EGR Cooler — $459.99 $404.79
Big Savings, Small Budget

Most Popular Upgrades Under $250

Sinister Diesel Blue Spring Kit with Billet Housing for Ford Powerstroke 6.0L
Blue Spring Kit with Billet Housing — Powerstroke 6.0L
$99.99$87.99
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 Sinister Diesel CAT Fuel Filter Adapter for GM Duramax 6.6L
CAT Fuel Filter Adapter — 2001–2016 Duramax 6.6L
$149.99$131.99
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 Sinister Diesel Universal Reusable Air Filter
Universal Reusable Air Filter — 4" Inner Diameter
$129.99$114.39
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 Sinister Diesel Black Dual Wall Angle-Cut Exhaust Tip
Dual Wall Angle-Cut Exhaust Tip — Black 4" to 6"
$186.99$164.55
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 Sinister Diesel Boost T-Shirt
Sinister Diesel Boost T-Shirt
$27.99$24.63
Select Options
 Sinister Diesel Green Fuel Cap for Ford Powerstroke
Green Fuel Cap — 2008–2020 Ford Powerstroke
$89.99$79.19
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Why Diesel Owners Choose Sinister

Built for Diesel. Backed by Experience.

Family Owned Since 2009
Diesel passion runs in our blood.
4.8 Star Rating
From 10,000+ verified reviews.
Fast U.S. Shipping
Orders ship same day from our warehouse.
Dedicated Diesel Experts
Real experts. Real answers.
Industry Leading Warranty
Built to last. Backed for the long haul.
What Customers Are Saying

Real Diesel Owners. Real Results.

★★★★★4.8 out of 5 — Over 10,000 verified reviews ↗
★★★★★

The charge pipe fit perfectly and solved my boost leak immediately. Quality is second to none.

Josh T.
2019 F-250 6.7L Powerstroke
★★★★★

Best fuel filter conversion on the market. Easy install and works flawlessly. Would buy again.

Brandon M.
2020 Ram 2500 6.7L Cummins
★★★★★

Sinister's customer service is outstanding. Fast shipping and top notch products every time.

Kyle R.
2018 Silverado 2500 Duramax
Diesel Prime Days Ends June 26

Shop Before
It's Gone

12–35% Off Storewide — June 23–26
Use Code PRIME2026
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