Dorman 300-156 Vacuum Pump Pulley

Brand Dorman 300-156
Fits Ford · 9 vehicles

OE-style fit. Matches the original pulley’s fit and function for a straightforward replacement.

Steel construction. Built from steel for dependable strength and lasting performance.

Standard replacement. A practical vacuum pump pulley for restoring proper belt drive operation.

Cross-references 4C2Z2L487BA for the same application. See all 1.

$42.42Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $42.42
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Vacuum Pump Pulley for Ford E-350 Super Duty

This Dorman vacuum pump pulley is a standard replacement part built to match the original fit and function on specified applications. It is made from steel with a black finish for dependable service in the emission control vacuum system.

  • Brand: Dorman
  • Part number: 300-156
  • Steel construction for strength and durability
  • Black finish
  • Serpentine belt application
  • V-belt pulley/groove design
  • Outside diameter: 5 in.
  • Width: 1.4 in.
  • Standard replacement grade
  • Direct replacement for specified Ford applications

Detailed Product Overview

Dorman 300-156 is a vacuum pump pulley engineered for the emission control vacuum system on select Ford E-350 Super Duty and Ford E-350 Club Wagon models with a heavy duty alternator. It is built to replicate the original pulley’s fit and function, helping maintain proper belt drive operation in the engine accessory system. The steel construction supports long-term durability, while the black finish provides a clean OE-style appearance. If you are replacing a worn or damaged pulley on a Ford E-350 Super Duty, 300-156 is a direct-fit service part for the listed applications.

This part cross-references Ford 4C2Z2L487BA for the same application.

What It Helps Fix

  • Worn or damaged vacuum pump pulley surfaces
  • Belt tracking issues related to pulley wear
  • Noise from a failing pulley in the accessory drive
  • Loss of proper vacuum pump drive function
  • Service needs on Ford E-350 Super Duty and Ford E-350 Club Wagon models with heavy duty alternator

Installation Notes and Tips

Verify belt type, pulley dimensions, and vehicle configuration before installation. This pulley is listed for 2004-2010 Ford E-350 Super Duty and 2004-2005 Ford E-350 Club Wagon with heavy duty alternator. Confirm the existing vacuum pump and belt routing match the application before service. Professional installation is recommended for proper alignment and drive performance.

Quality Assurance

Dorman designs this vacuum pump pulley as a standard replacement part for specified OE applications. It is manufactured from quality materials and engineered to match original fit and function for reliable service.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2010FordE-350 Super Duty6.0LV8DIESELN/Aw/Heavy Duty Alternator
2009FordE-350 Super Duty6.0LV8DIESELN/Aw/Heavy Duty Alternator
2008FordE-350 Super Duty6.0LV8DIESELN/Aw/Heavy Duty Alternator
2007FordE-350 Super Duty6.0LV8DIESELN/Aw/Heavy Duty Alternator
2006FordE-350 Super Duty6.0LV8DIESELN/Aw/Heavy Duty Alternator
2005FordE-350 Club Wagon6.0LV8DIESELN/Aw/Heavy Duty Alternator
2005FordE-350 Super Duty6.0LV8DIESELN/Aw/Heavy Duty Alternator
2004FordE-350 Club Wagon6.0LV8DIESELN/Aw/Heavy Duty Alternator
2004FordE-350 Super Duty6.0LV8DIESELN/Aw/Heavy Duty Alternator
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
4C2Z2L487BA