HomeAir and Fuel Delivery > FiltersBaldwin BF1226 Fuel Water Separator Filter - Primary
Part #: BF1226

Baldwin BF1226 Fuel Water Separator Filter - Primary

⚙️ 1 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: GMC, P3500
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Overview of Baldwin BF1226 Fuel Water Separator Filter

The Baldwin BF1226 Fuel Water Separator Filter is designed specifically for GMC P3500 vehicles equipped with Cummins engines. This filter helps protect your engine by efficiently separating water from fuel, ensuring cleaner fuel delivery and improved engine performance.

  • Compatible with GMC P3500 models featuring Cummins engines
  • Replaces Cummins part number 3903202
  • Height: 5 11/16 inches (144.5 mm)
  • Outside diameter: 3 1/32 inches (77 mm)
  • Thread size: M16 x 1.5
  • Includes integral gasket and one O-ring for proper sealing
  • Contains a standpipe for enhanced filtration

Detailed Product Description

The Baldwin BF1226 fuel water separator filter is engineered to meet the filtration needs of Cummins engines found in GMC P3500 trucks. With a height of 5 11/16 inches and an outside diameter of just over 3 inches, this filter fits precisely in the designated housing. The M16 x 1.5 threaded connection ensures secure installation. The integral gasket and included O-ring provide a reliable seal to prevent leaks. The standpipe design enhances the separation of water from fuel, protecting the engine’s fuel system from contamination and potential damage.

Common Applications and Problem Solving

  • Prevents water contamination in fuel systems
  • Reduces risk of engine misfires and poor performance
  • Protects fuel injectors and pumps from corrosion
  • Helps maintain fuel system cleanliness in GMC P3500 trucks
  • Replaces worn or damaged Cummins 3903202 filters

Installation Notes and Tips

When installing the Baldwin BF1226 filter, ensure the furnished O-ring is properly installed on the post to achieve a secure seal. Follow manufacturer torque specifications for the M16 x 1.5 threaded connection. Inspect the integral gasket for any damage before installation. Proper installation is critical to prevent leaks and maintain optimal filtration performance.

Quality Assurance and Warranty

Baldwin filters are manufactured to meet strict quality standards for durability and filtration efficiency. The BF1226 fuel water separator filter is designed to provide reliable service in demanding conditions. Please refer to Baldwin’s warranty policy for specific coverage details.

BrandBaldwin
Part NumberBF1226
ContainsStandpipe
FitsCummins Engines
Height5 11/16
Height (mm)144.5
Integral Gasket{G449-B}
NotesCAUTION: Furnished O-Ring must be installed on post for seal.
O-Ring[1] Included
Outside Diameter 13 1/32
Outside Diameter 1 (mm)77
ReplacesCummins 3903202
ThreadM16 x 1.5

This part fits 1 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1990GMCP35003.9LL4DIESELN/AOE Number : TP1069

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

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.