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Your Diesel.
Diagnosed Right.

Diesel parts for Cummins, Duramax, and Power Stroke. Input your rig — year, make, model, engine — and only see what fits your truck. Nothing else. Plus AI fitment help built in.

Open App See Features

Engine Platforms

30+

Years Covered

50,000+

Parts Cataloged

Featured Brands

BD Diesel Industrial Injection MagnaFlow AFE Diamond Eye MBRP PPE ARP Carli Fabtech K&N Mishimoto +400 more

Independent retailer · Authorized distribution through APG · Not directly affiliated with brands shown · Learn more

What It Does

Built for Diesel. Nothing Else.

Every feature is designed around your specific truck. No generic advice, no wrong parts, no wasted time.

🧠

AI Diagnostics

Describe your problem or upload a photo. Our AI knows the difference between a VP44 failure and a CP3 issue — because it knows your exact engine.

🔧

Vehicle-Filtered Parts

Every part in the marketplace is filtered to your year, make, model, and engine. If it doesn't fit your truck, you'll never see it.

📸

Photo Troubleshooting

Snap a photo of your engine bay, code reader, or damage. The AI analyzes it against known issues for your specific platform.

🚛

Smart Vehicle Setup

Pick your year, and we only show makes that built trucks that year. Pick your make, only matching models appear. All the way down to your exact engine.

📦

Order & Track

Buy parts directly in the app. Track your orders from warehouse to doorstep. No middlemen, no guesswork.

⚡

Engine-Specific Knowledge

The AI knows KDP issues on 5.9 Cummins, head gasket problems on 6.0 Power Strokes, and injector balance rates on Duramax. Your truck's known issues, front and center.

The App

Everything Your Truck Needs. One App.

Black Stack Diesel is a mobile-first app built for diesel truck owners and mechanics. Set up your vehicle once and the entire experience adapts.

✓

AI Chat Diagnostics

Talk through issues with an AI that knows your engine inside and out

✓

Parts Marketplace

Only shows parts that fit your exact truck — injectors, turbos, filters, all of it

✓

Photo Upload

Snap engine bay photos and get visual diagnostics for your platform

✓

Cummins · Power Stroke · Duramax

All three major diesel platforms from 1994 to 2024

BlackStack

Diesel

🧠 AI Diagnostics

🔧 Parts Marketplace

📸 Photo Analysis

🚛 Vehicle Profile

Supported Platforms

We Know Your Engine.

From the legendary 12-valve Cummins to the latest L5P Duramax, Black Stack Diesel covers the diesel engines that matter. Dodge, Ford, Chevy, and GMC — 1994 to 2024.

Cummins

5.9L 12V / 24V / ISB

1994 – 2007 · Ram 2500/3500

Cummins

6.7L ISB / HO

2007 – 2024 · Ram 2500/3500

Power Stroke

7.3L / 6.0L / 6.4L

1999 – 2010 · F-250/350

Power Stroke

6.7L V8 Gen 1–3

2011 – 2024 · F-250/350

Duramax

6.6L LB7 – LBZ

2001 – 2007 · Silverado/Sierra

Duramax

6.6L LMM – L5P

2007 – 2024 · Silverado/Sierra

Why Black Stack Diesel

Honest tools, real distribution, no fluff.

🎯

Diesel-Specific Catalog

Only parts for Cummins, Power Stroke, and Duramax — 1994 to 2024. No half-ton accessories. No gas-engine clutter. Just what fits your truck.

📦

400+ Brands via Authorized APG Distribution

Inventory access through APG Premier WD, our distribution partner. BD Diesel, ATS, PPE, Industrial Injection, Edge Products, and hundreds more.

🤖

AI-Assisted Diagnostics

Built on Claude. Get instant fitment checks and engine-specific diagnostic help — for known issues like 6.0L head gaskets, VP44 problems, LB7 injector balance, and more.

🇺🇸

Independent and Transparent

Real Missouri business, owned and operated by one guy. Not a dropshipping front, not based offshore. Just diesel parts done right.

Your Diesel.Diagnosed Right.