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Silver metal spin-on fuel filter cylinder with threaded top and open port for bowl

Baldwin Filters

Baldwin Filters BF46025-O Fuel Filter Spin-On 5-17/32 in. Lx3-3/4 in. dia

SKU CH-6FMJ-CFK7Q

Spin-on fuel filter with water-separator bowl port, 1 in.-14 thread and furnished gasket

  • Spin-on design simplifies filter replacement during routine maintenance
  • Fuel and water separation protects engine components from contamination
  • Open port accommodates a bowl for visible water drainage
  • Includes 3 1/8 in - 10 UN 1B thread bowl for secure attachment
  • Furnished gasket ensures a reliable seal upon installation

Baldwin BF46025-O Fuel Filter Application

The Baldwin BF46025-O is a spin-on fuel filter designed as a fuel and water separator for automotive and industrial fuel systems. It serves technicians and fleet operators who need reliable contaminant removal during routine maintenance or system overhaul. The unit includes a furnished gasket to simplify installation and ensure a proper seal on the filter head.

Thread and Port Constraints

The filter features a 1 In. -14 thread size for mounting to the filter head and includes a 3 1/8 in - 10 UN 1B thread bowl port for water collection. These specific threads dictate direct compatibility with matching filter heads and bowls only. Adapters or mismatched ports will prevent secure installation and compromise the water separation function.

Build Quality and Daily Use

The steel canister construction withstands typical fuel system pressures while the spin-on design allows quick service intervals without special tools. The open port for a bowl enables visual water monitoring and manual draining during daily checks. The included gasket eliminates the need for separate sealing components during each filter change.

Highlights

  • Spin-on design simplifies filter replacement during routine maintenance
  • Fuel and water separation protects engine components from contamination
  • Open port accommodates a bowl for visible water drainage
  • Includes 3 1/8 in - 10 UN 1B thread bowl for secure attachment
  • Furnished gasket ensures a reliable seal upon installation

Specifications

BrandBALDWIN FILTERS

Questions about this item

Which thread size should I select for the BF46025-O fuel filter?

The filter uses a 1 In. -14 thread size, so match that specification when choosing a compatible version.

What does the 5-17/32 in. length mean when the filter is installed?

That measurement is the overall height of the spin-on canister once mounted, determining the clearance needed in the engine bay.

How does the 1 In. -14 thread interface limit flow or pressure in practice?

The 1 In. -14 thread seals the canister to the head; flow and pressure limits are set by the filter media and housing, not by the thread itself.

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