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Silver metal spin-on fuel filter canister with M20-1.50 thread and sensor port

Baldwin Filters

Baldwin Filters BF1233 Fuel Filter Spin-On 25 micron M20-1.50

SKU CH-ZYR5-KPD8C

Spin-on fuel filter with water separator, sensor port, 25 micron rating and M20-1.50 thread

  • 25 micron filtration protects injection systems
  • Spin-on design enables quick tool-free replacement
  • M20-1.50 thread matches common diesel applications
  • Fuel water separator with sensor port monitors contamination
  • Includes two furnished gaskets for leak-free sealing

Product identity

The Baldwin Filters BF1233 is a spin-on fuel filter with an integrated water separator and a sensor port. It is built for diesel systems that need 25 micron filtration and an M20-1.50 thread connection. Fleet mechanics and equipment owners use it to protect injection components from water and particulate contamination.

Thermals noise power

This filter has no moving parts and draws no electrical power. Normal operation adds no heat or noise to the fuel system. The only service requirement is periodic replacement when the element reaches its contaminant capacity.

Filtration rating

The 25 micron rating determines whether this filter matches the engine manufacturer’s specification. Finer or coarser ratings will not provide the intended protection for the injection system. Buyers who need a different micron rating or a thread size other than M20-1.50 must select another part.

Highlights

  • 25 micron filtration protects injection systems
  • Spin-on design enables quick tool-free replacement
  • M20-1.50 thread matches common diesel applications
  • Fuel water separator with sensor port monitors contamination
  • Includes two furnished gaskets for leak-free sealing

Specifications

BrandBALDWIN FILTERS

Questions about this item

How do I install the BF1233 fuel filter and which step is often missed?

Spin the filter onto the M20 x 1.50 thread until the gasket contacts the base, then tighten 3/4 to 1 full turn by hand. The step often missed is lubricating both supplied gaskets with clean fuel before installation.

What maintenance or replacement will the BF1233 need later?

Replace the spin-on canister at the engine manufacturer's recommended interval or when the water-in-fuel sensor triggers. The 25 micron rating means it captures fine contaminants, so timely replacement prevents restriction.

What limit appears first on the BF1233 during sustained operation?

The 25 micron media will gradually load with particles, increasing pressure drop across the filter. This restriction is the first limit encountered, signalling that a replacement is due.

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