Which Duramax generations do you support?

LB7 through L5P — every generation GM has put in a Duramax pickup.

I'm not sure which parts fit my specific Duramax. What do I do?

Call or text us with your truck's year and engine code. We confirm fitment before you order, not after.

Do you carry both bolt-on parts and tuning for Duramax?

Yes — parts and tuning are sold separately so you can build out exactly what your truck needs.

Duramax

LB7 through L5P — Duramax performance parts and tuning for GM diesel trucks.

Platforms We Support

2020–2026: 6.6L L5P Duramax
2017–2019: 6.6L L5P Duramax
2011–2016: 6.6L LML Duramax
2007.5–2010: 6.6L LMM Duramax
2006–2007: 6.6L LLY/LBZ Duramax
2004.5–2005: 6.6L LLY Duramax
2001–2004: 6.6L LB7 Duramax

Tuning notice: our tuning products and services are intended for off-road and competition use only. If your state doesn't allow modifications to emissions systems, we don't recommend installing or using this on a vehicle operated on public roads. It's the buyer's responsibility to know and follow their local emissions laws.

Catalog for Duramax is being built out right now. Call or text and we'll get you squared away on parts and pricing in the meantime.

Duramax Questions

Which Duramax generations do you support?: LB7 through L5P — every generation GM has put in a Duramax pickup.
I'm not sure which parts fit my specific Duramax. What do I do?: Call or text us with your truck's year and engine code. We confirm fitment before you order, not after.
Do you carry both bolt-on parts and tuning for Duramax?: Yes — parts and tuning are sold separately so you can build out exactly what your truck needs.

Fitment question not answered here? Call (502) 257-4944 and we'll sort it out before you order.