Baldwin CA4999 Channel Flow Air Filter – Replaces Motorcraft FA1746 FA1778 3C3U-9601-BC, Donaldson P603577, WIX 42731 – Fits Ford F-250 F-350 F-450 F-550 Super Duty Excursion 6.0L Powerstroke 2003-07

Baldwin CA4999 – Channel Flow Air Filter for Ford 6.0L Power Stroke Turbo Diesel (2003–2007) The Baldwin CA4999 is a Channel Flow air filter element engineered specifically for Ford Super Duty trucks and Excursion equipped with the 6.0L V8 Turbo Diesel Power Stroke engine. Baldwin's Channel Flow design uses high-efficiency filter media with a straight-through air path, delivering maximum airflow while effectively blocking the combustion-damaging contaminants that wear down your engine over time. VEHICLE FITMENT: 2003–2007 Ford F-250 Super Duty | 2003–2007 Ford F-350 Super Duty | 2003–2005 Ford Excursion | All with 6.0L V8 Turbo Diesel Power Stroke Engine FILTER SPECIFICATIONS: Outside Diameter: 7-31/32 in. (202.4 mm) to 12-3/32 in. (307.2 mm) | Length: 9-5/16 in. (236.5 mm) | Includes: 1 attached gasket CROSS-REFERENCE GUIDE – DIRECT REPLACEMENT FOR THESE PART NUMBERS: The Baldwin CA4999 replaces Motorcraft FA1746, FA1778, Ford 3C3U-9601-BC, Ford 4C3Z-9601-AA, Donaldson P603577, Fleetguard AF26152, WIX 42731, WIX 542731, Fram CA9516, NAPA 2731, Carquest 87731, Luber-Finer LAF1646, AC Delco A2991C, A45535, and Hastings AF2397. BUILT TO PERFORM: PermaPleat construction maintains consistent pleat spacing throughout the service interval, preventing media bunching that reduces filtration area. Spiral glue binding locks the pleat geometry in place to maintain efficiency even under variable pressure and high-vibration operating conditions typical of the 6.0L Power Stroke. The included attached gasket provides a secure seal against the housing to prevent unfiltered air bypass. ABOUT BALDWIN FILTERS: Baldwin Filters, a division of Parker Hannifin, has been delivering heavy-duty filtration solutions since 1936. Built to meet or exceed OEM specifications, Baldwin products are a trusted choice for 6.0L Power Stroke owners looking for a reliable OEM-quality replacement. No modification required – a direct drop-in for all listed Ford applications.

• CROSS REFERENCES: Replaces Motorcraft FA1746, FA1778, Ford 3C3U-9601-BC, Ford 4C3Z-9601-AA, Donaldson P603577, Fleetguard AF26152, WIX 42731, WIX 542731, Fram CA9516, NAPA 2731, Carquest 87731, Luber-Finer LAF1646, AC Delco A2991C, A45535, Hastings AF2397
• FITMENT: Direct-fit replacement for 2003–2007 Ford F-250 Super Duty and F-350 Super Duty, and 2003–2005 Ford Excursion – all equipped with the 6.0L V8 Turbo Diesel Power Stroke engine. Fits the factory air filter housing with no modification required.
• CHANNEL FLOW DESIGN: Baldwin's Channel Flow air filter uses high-efficiency media with a straight-through air path for optimal airflow in a compact form. O.D.: 7-31/32 in. (202.4 mm) to 12-3/32 in. (307.2 mm) | Length: 9-5/16 in. (236.5 mm) | Includes one (1) attached gasket for a secure, leak-free seal.
• HEAVY-DUTY FILTRATION TECHNOLOGY: PermaPleat construction maintains even pleat spacing under operating conditions to prevent media bunching and extend filter life. Spiral glue binding locks pleat geometry in place to sustain peak filtration efficiency throughout the full service interval, keeping combustion-damaging contaminants out of your 6.0L Power Stroke engine.
• TRUSTED HEAVY-DUTY FILTRATION: Baldwin Filters, part of Parker Hannifin, has engineered filtration solutions since 1936 for automotive, diesel, and commercial equipment. The CA4999 is built to meet or exceed OEM specifications for Ford 6.0L Power Stroke applications – the same dependable standard used by fleets and owner-operators across the country.