Upgrade your Ford 6.0L Powerstroke with the BD Diesel Exhaust Manifold Set for 2003–2007 and experience a durable, corrosion‑resistant solution built to outlast stock manifolds. This complete replacement kit is designed to restore reliable exhaust flow, seal, and performance while keeping emissions compliance across all 50 states.

What makes this BD Diesel kit stand out

• 50‑state legality with CARB EO No. D-553-26 — you can install with confidence wherever you drive, avoiding regional restrictions.
• Heavy‑walled construction to resist warping and distortion under high exhaust temperatures, delivering consistent performance over time.
• Corrosion‑resistant coating protects against road salt, heat, and moisture for a longer‑lasting, maintenance‑friendly upgrade.
• Improved exhaust flow—on average 16.8% more flow per port (BD ≈ 218 cfm/port vs OEM ≈ 187 cfm/port), helping the turbo and exhaust system breathe easier and respond faster.
• Pre‑drilled pyrometer ports streamline temperature monitoring and tuning, making it easier to optimize performance and keep exhaust temps in check.
• Comprehensive replacement package includes both driver‑ and passenger‑side manifolds, feed pipe mounting hardware, and all gaskets needed for a clean, professional install.
• OEM‑specific compatibility designed to replace 3C3Z9430AB, 1840770C1 and 3C3Z9431AB, 1840994C1, ensuring a precise fit on the Ford 6.0L Powerstroke.
• Ready for maintenance workflows ideal for preventative replacement during engine work, reducing leaks and costly cleaning or machining down the line.
• Warranty you can trust 36 months / 75,000 miles for peace of mind on your investment.

Why you’ll notice a real difference

Replacing aging manifolds with this BD Diesel set delivers a more reliable seal and steadier exhaust flow, which supports consistent turbo spool and broader exhaust efficiency. The heavy‑wall design and coated finish help keep your exhaust system predictable under cold starts and peak‑heat conditions, reducing the chance of gasket leaks and distortion that can plague worn OEM parts.

Ideal for bold, practical engine upkeep

This kit is perfect for:

• Owners planning preventative maintenance while other engine work is underway to minimize downtime.
• Fleet operators aiming for durable, long‑lasting replacements to reduce service interruptions.
• Enthusiasts who monitor EGTs and tune for performance or efficiency without compromising emissions compliance.

Installation at a glance

Designed for straightforward, professional installation, the kit covers both cylinder banks and includes everything you need for a confident replacement in about a full day of work. With the BD Diesel Exhaust Manifold Set installed, you’ll enjoy improved exhaust flow, durable performance, and dependable operation for miles to come.

Technical snapshot

• Application: Ford 6.0L Powerstroke, 2003–2007
• Material: Heavy‑wall construction with corrosion‑resistant coating
• Gaskets & hardware: Included for complete install
• Pyrometer ports: Pre‑drilled for easy monitoring
• OEM references: Replaces 3C3Z9430AB, 1840770C1 and 3C3Z9431AB, 1840994C1
• Warranty: 36 months / 75,000 miles