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Baldwin Filters

Baldwin Filters BF1398-O Fuel Filter accessory

SKU CH-RNRQ-7KQNM

Spin-on fuel and water separator with open bowl port, 1‑14 thread and integral post seal

  • Spin-on design enables quick filter changes
  • Fuel/water separation protects injection systems
  • Open port accepts bowl for water drainage
  • Integral post seal prevents bypass leaks
  • 1-14 thread size fits compatible housings

Baldwin Filters BF1398-O Fuel Filter

The Baldwin Filters BF1398-O is a spin-on fuel and water separator designed for diesel fuel systems. It suits technicians and fleet operators who need reliable contaminant removal on heavy-duty equipment. The open port accommodates a collection bowl for visual water monitoring. It installs directly onto existing 1 In. -14 threads.

Spin-on installation with integral seal

The filter spins onto the 1 In. -14 thread mount and uses an integral post seal plus an O-ring for a secure fit. A 3 1/8 in - 10 thread bowl connects to the open port without extra tools. Misaligned threads or a missing O-ring are the typical causes of leaks during fitting.

Sustained flow under continuous duty

The spin-on design maintains consistent fuel flow during extended engine operation. The integral post seal resists pressure cycling without loosening over time. Water separates continuously into the bowl rather than passing downstream. The housing dimensions support standard service intervals on compatible equipment.

Highlights

  • Spin-on design enables quick filter changes
  • Fuel/water separation protects injection systems
  • Open port accepts bowl for water drainage
  • Integral post seal prevents bypass leaks
  • 1-14 thread size fits compatible housings

Specifications

BrandBALDWIN FILTERS

Questions about this item

How can I confirm the BF1398-O is sealing correctly after installation?

Check that the integral post seal and O-ring sit flush without leaks; the 1 In. -14 thread should engage smoothly and the open port for the bowl must remain clear.

What comes with the BF1398-O and what must I source separately?

The filter includes the spin-on body, integral post seal, O-ring and a 3 1/8 in - 10 thread bowl; mounting hardware and fuel lines are not included.

Which thread specification should I match when selecting this fuel filter?

Choose the BF1398-O when your system requires a 1 In. -14 thread size and a 3 1/8 in - 10 thread bowl connection.

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