HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsAtlantic Automotive Enterprises PU100-280 Power Steering Pump Pulley
Part #: PU100-280

Atlantic Automotive Enterprises PU100-280 Power Steering Pump Pulley

16 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, Allante, Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville
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Power Steering Pump Pulley for Cadillac Applications

Atlantic Automotive Enterprises PU100-280 is a steel power steering pump pulley built as a standard replacement for select Cadillac vehicles. It is finished in black and uses a press-fit mount with a serpentine belt design for direct-fit service on covered applications.

Fits 1991-1995 Cadillac DeVille, N/A; Fits 1993 Cadillac Commercial Chassis, N/A; Fits 1991-1993 Cadillac Eldorado, N/A; Fits 1991-1993 Cadillac Seville, N/A; Fits 1991-1992 Cadillac Allante, N/A; Fits 1991-1992 Cadillac Fleetwood, N/A.

Key Features

  • Steel construction for durable power steering pump service
  • Black finish
  • Press-fit mount type
  • Serpentine belt type
  • Standard replacement grade
  • Mounting hole quantity: 1
  • Atlantic Automotive Enterprises PU100-280

Detailed Description

The PU100-280 power steering pump pulley is manufactured with OE-quality components and inspected and tested to support proper fitment and operation. It is intended for Cadillac DeVille, Eldorado, Seville, Allante, Fleetwood, and Commercial Chassis applications listed above, making it a direct replacement choice for service work on the power steering drive system. This part cross-references 3537908 for the same application. Atlantic Automotive Enterprises PU100-280 is a practical option when replacing a worn, damaged, or out-of-spec pulley on a serpentine-belt power steering setup.

Common Issues This Part May Address

  • Wobbling or misaligned power steering pump pulley
  • Belt tracking noise from a worn pulley surface
  • Cracked, bent, or damaged pulley replacement
  • Improper belt engagement on a serpentine drive system
  • Restoring correct power steering pump rotation and drive alignment

Installation Notes and Tips

Verify pulley diameter, press-fit style, and belt routing before installation. Use the correct pulley installation and removal tools to avoid damaging the pump shaft or pulley hub. Confirm alignment after installation so the serpentine belt tracks smoothly and the power steering system operates correctly. The PU100-280 is a press-fit component and should be installed with care to maintain OE-style fitment.

Quality Assurance

Atlantic Automotive Enterprises states that this pulley is built with OE-quality components and undergoes inspection and testing to support OE operation and fitment.

BrandAtlantic Automotive Enterprises
Part NumberPU100-280
MaterialSteel
ColorBlack
Mounting Hardware IncludedNo
Grade TypeStandard replacement
Mount TypePress-fit
Mounting Hole Quantity1
Belt TypeSerpentine

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995CadillacDeVille4.9LV8N/A
1994CadillacDeVille4.9LV8N/A
1993CadillacCommercial Chassis4.9LV8N/A
1993CadillacDeVille4.9LV8N/A
1993CadillacEldorado4.9LV8N/A
1993CadillacSeville4.9LV8N/A
1992CadillacAllante4.5LV8N/A
1992CadillacDeVille4.9LV8N/A
1992CadillacEldorado4.9LV8N/A
1992CadillacFleetwood4.9LV8N/A
1992CadillacSeville4.9LV8N/A
1991CadillacAllante4.5LV8N/A
1991CadillacDeVille4.9LV8N/A
1991CadillacEldorado4.9LV8N/A
1991CadillacFleetwood4.9LV8N/A
1991CadillacSeville4.9LV8N/A

* 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:

3537908

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