Baldwin BF7766 Fuel Filter Spin-On – 6 Pack – M72×2.0 Thread, 3 23/32″ OD × 9 5/32″ L, 10 Micron Absolute – Fits Cummins ISX Series Engines, Replaces Wix 33711, Fleetguard FF2200, Donaldson P552200

The Baldwin BF7766 is a spin-on fuel filter built for heavy-duty diesel service. It uses an M72×2.0 mounting thread and measures 9 5/32 inches in length with a 3 23/32-inch outside diameter for proper fit in compatible housings. With an absolute 10-micron rating, this OEM-brand element supports clean fuel delivery in demanding fleet environments. Typical applications include Cummins ISX series engines used across International, Kenworth, Mack, Peterbilt, and other platforms; always verify the part number and housing specifications for your engine before purchase. Cross-references include Donaldson P552200, Fleetguard FF2200, Fram P9644, Luber-Finer LFF2201, and WIX 33711.

• Genuine Baldwin BF7766 spin-on fuel filter for heavy-duty diesel applications; M72×2.0 mounting thread.
• Verified dimensions: length 9 5/32" (232.6 mm); outside diameter 3 23/32" (94.5 mm).
• Absolute efficiency rating: 10 µm (per distributor tech spec for BF7766).
• Cross Reference (verified): Donaldson P552200; Fleetguard FF2200; Fram P9644; Luber-Finer LFF2201; WIX 33711.
• Applications: commonly used on Cummins ISX series engines and select International, Kenworth, Mack, Peterbilt, and other trucks—confirm housing/engine before purchase.