DIESELR Stainless Steel Header Manifolds (1999-2003 Powerstroke 7.3L)
DIESELR Stainless Steel Header Manifolds (1999-2003 Powerstroke 7.3L) is backordered and will ship as soon as it is back in stock.
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Confirm vehicle fitment
Confirm fitment before ordering. Match the year, make, model, trim, engine, drivetrain and selected options shown on this page. If any detail is unclear, search your exact vehicle or contact us before checkout.
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What’s included
What’s included
The product description and selected variant determine what is included. Items shown in lifestyle or installation photos are not included unless they are specifically listed in the description.
DIESELR Stainless Steel Header Manifolds (1999-2003 Powerstroke 7.3L)
DIESELR Stainless Steel Header Manifolds (1999-2003 Powerstroke 7.3L) is backordered and will ship as soon as it is back in stock.
Buy with confidence
Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.
Description
Description
Take your 7.3L Powerstroke to the next level with the DIESELR Stainless Steel Header Manifolds — built tough, built to last, and built to let your truck breathe like it should’ve from the factory. Designed to replace those crack-prone stock manifolds, this kit brings serious durability and flow to the table for your F250, F350, or F450.
Made from high-grade stainless steel, these manifolds resist warping, cracking, and corrosion — even under the heat and stress of towing, hauling, or full-send driving. Whether you're working the truck hard or dialing in a performance setup, these headers are up for the job.
The manifolds have been re-engineered and reinforced in all the weak points where OEMs typically fail. No more dealing with leaks or performance loss from thermal stress. Plus, every unit undergoes a rigorous inspection process to ensure top-notch quality from Doctor Diesel USA.
NOTE:
These headers do not come with an exhaust back pressure sensor bung. Depending on your turbo setup, tuning or modification may be required.
✅ Kit Includes:
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(2) Stainless steel exhaust manifolds
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(2) Cylinder head gaskets
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(4) Studs & (4) nuts for exhaust pipe flange
🔧 Fitment:
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1999–2003 Ford Powerstroke 7.3L
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F250 / F350 / F450
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Replaces OEM Part Numbers: F81Z9431AA, F81Z9430AA
🔥 Why Upgrade?
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Stronger than stock: Redesigned in high-failure zones
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Leak-resistant: Keeps exhaust flowing where it should
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High-flow stainless design: Boosts turbo spool-up & lowers EGTs
Don’t let cracked manifolds choke your performance. Bolt on a set of DIESELR Stainless Steel Header Manifolds and give your 7.3L the airflow it deserves.
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