Cast manifolds can crack or restrict pulse energy, hurting spool and raising EGTs under load.

The ATS 2019012272 exhaust manifold is for 5.9 Cummins 2003-2005. It is an ATS Diesel Performance component sold for heavier diesel use than a worn OE part.

What you get

• ATS 2019012272 exhaust manifold as supplied
• Fitment: 5.9 Cummins 2003-2005
• California / emissions restricted on this listing—confirm legality for your state before purchase
• Sold by Full Force Diesel

Specs

• ATS part number: 2019012272
• ATS catalog SKU match: 201-901-2272
• ATS product listing: ATS Arcflow Intake Manifold Fits 1994-Early - 2007 12V 24V CR 5.9L Cummins

A solid upgrade for cracked manifolds or restrictive OE castings. Confirm transmission, turbo, and year options against your truck before ordering. This item is flagged California-restricted in our catalog; it may be illegal for on-road use in CA or other states—verify local emissions rules.