HomeAir and Fuel Delivery > FiltersBaldwin BF1280 Fuel Water Separator Filter - Primary
Part #: BF1280

Baldwin BF1280 Fuel Water Separator Filter - Primary

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Overview of Baldwin BF1280 Fuel Water Separator Filter

The Baldwin BF1280 fuel water separator filter is designed specifically for Cummins engines, providing reliable filtration to protect your fuel system. This filter helps maintain engine performance by effectively separating water from fuel, reducing the risk of damage and contamination.

  • Compatible with Cummins engines
  • Height: 6 1/4 inches (158.8 mm)
  • Outside diameter: 3 11/16 inches (93.7 mm)
  • Thread size: 13/16 inch
  • Includes one furnished gasket for proper sealing
  • Integral gasket design for enhanced sealing performance
  • Replaces Cummins part number 3925274
  • 18 threads per inch for secure fitment

Detailed Product Description

The Baldwin BF1280 fuel water separator filter is engineered to meet the filtration needs of Cummins engines, ensuring clean fuel delivery by removing water and contaminants. With a height of 6 1/4 inches and an outside diameter of 3 11/16 inches, this filter fits precisely in designated fuel systems. The 13/16 inch thread and 18 threads per inch specification provide a secure and leak-resistant connection. The integral gasket and furnished gasket included with the filter ensure a proper seal, preventing fuel leaks and maintaining system integrity. This filter is a direct replacement for Cummins part number 3925274, making it a suitable choice for maintenance and repair.

Applications and Problem Solving

  • Prevents water contamination in fuel systems of Cummins engines
  • Reduces risk of engine damage caused by fuel impurities
  • Helps maintain consistent engine performance and fuel efficiency
  • Protects fuel injectors and pumps from corrosion and wear
  • Supports reliable operation in heavy-duty and commercial vehicles

Installation Notes and Tips

When installing the Baldwin BF1280 fuel water separator filter, ensure the furnished o-ring is properly installed on the post to achieve an effective seal. Failure to install the o-ring correctly may result in leaks or reduced filtration performance. Verify thread compatibility with your Cummins engine model and tighten the filter securely without over-torquing to avoid damage.

Quality Assurance and Warranty

Baldwin filters are manufactured to meet industry standards for filtration and durability. The BF1280 model is designed to provide consistent performance in demanding environments. While specific warranty details are not provided here, Baldwin products typically come with manufacturer-backed quality assurance to support reliable operation in Cummins engine applications.

BrandBaldwin
Part NumberBF1280
FitsCummins engines
Furnished Gasket[1] included
Height6 1/4
Height (mm)158.8
Integral Gasket{g401}
NotesCaution: furnished o-ring must be installed on post for seal.
Outside Diameter 13 11/16
Outside Diameter 1 (mm)93.7
Per Inch18
Related to{bf7879} (without drain)
ReplacesCummins 3925274
Thread13/16

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* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.