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Cylindrical hydraulic filter cartridge with pleated glass media and reinforced center tube, metal end caps, 9 3/16 inches tall

Baldwin Filters

Baldwin Filters PT189MPG Hydraulic Transmission Filter Cartridge 9 3/16 in Height

SKU CH-RY43-XG31M

Hydraulic transmission filter cartridge with 5‑micron glass media, 9‑3/16 in height, reinforced centretube, fits Caterpillar equipment

  • 5-micron glass media captures fine contaminants
  • 9 3/16 in cartridge height fits Caterpillar applications
  • Reinforced centertube resists collapse under pressure
  • 3 15/16 in outside diameter matches OEM specifications
  • New Baldwin Filters cartridge ensures reliable hydraulic protection

Baldwin PT189MPG Hydraulic Transmission Filter

The Baldwin PT189MPG is a cartridge-style hydraulic and transmission filter built for Caterpillar equipment. It uses Maximum Performance Glass media rated at 5 microns to capture fine contaminants in fluid systems. The reinforced centertube adds structural strength under pressure. This new filter suits maintenance crews and fleet operators who need reliable filtration for heavy-duty machinery.

Replaces standard cellulose elements when finer

Switching to this glass-media cartridge is worthwhile when operating conditions demand a 5-micron rating instead of coarser alternatives. The reinforced centertube helps prevent collapse during high-flow or cold-start situations. The jump makes sense for systems where cleaner fluid extends component life and reduces wear on pumps and valves. It fits applications where the original element matches the given height and diameter.

Verify equipment model

Confirm that your Caterpillar machine calls for a cartridge with a 9 3/16 in height and 3 15/16 in outside diameter. Check that the 2 9/32 in inside diameter matches the filter head or mounting post. Ensure the hydraulic or transmission fluid type is compatible with glass media. No thread size applies, so mounting relies on the correct housing fit.

Highlights

  • 5-micron glass media captures fine contaminants
  • 9 3/16 in cartridge height fits Caterpillar applications
  • Reinforced centertube resists collapse under pressure
  • 3 15/16 in outside diameter matches OEM specifications
  • New Baldwin Filters cartridge ensures reliable hydraulic protection

Specifications

BrandBALDWIN FILTERS

Questions about this item

What clearance is needed for the 9 3/16 in height and 3 15/16 in outside diameter?

Allow at least 9 3/16 inches of vertical space and a 3 15/16 inch bore for the cartridge to seat fully.

How is the cartridge installed, and what step is often missed?

Slide the cartridge over the 2 9/32 inch centre tube until the reinforced centertube bottoms out; skipping that full seat lets fluid bypass the 5 micron glass media.

When should the filter element be replaced?

Replace at the interval specified by the Caterpillar equipment manufacturer or when the service indicator shows the 5 micron element is loaded.

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