Dorman 594-783 Engine Harmonic Balancer

Brand Dorman 594-783
Inside Diameter 35.3
Outside Diameter 180
Pulley Groove Quantity 6
Grade Type Regular
Mounting Hole Quantity 1
Drive Belt Type Serpentine
Bolt And Washer Included No
Keyway Type Yes
Depth 53
Mounting Hole Diameter 47.7
Center Bolt Included No
Color/Finish Black
Degree Markings Yes
Package Contents 1 harmonic balancer
Fits Ford · 5 vehicles

Direct replacement. Fits like the original part with no modifications needed.

Stress-resistant rubber bond. Helps absorb engine vibration for smoother operation.

Ductile steel construction. Adds tensile and impact strength for greater durability.

Cross-references PowerBond by Dayco PB1815N and 1R3Z6B321AA for the same application. See all 2.

$252.34Free shipping
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Dorman 594-783 Harmonic Balancer for Mustang

Restore proper engine vibration control with this direct replacement harmonic balancer from Dorman. Built with a stress-resistant rubber bond and ductile steel construction, it is made for 2001-2004 Ford Mustang applications that need dependable crankshaft vibration damping and accurate belt drive operation.

  • Direct replacement harmonic balancer for Ford Mustang V8 applications
  • Stress-resistant rubber bond helps absorb engine vibration
  • Ductile steel construction adds tensile and impact strength
  • 6-groove pulley design for serpentine belt systems
  • Degree markings included for timing reference
  • Keyway design for proper crankshaft alignment
  • Black finish for a clean OE-style appearance

Detailed Product Overview

Dorman 594-783 is an engine harmonic balancer engineered for 2001, 2002, 2003, and 2004 Ford Mustang models. It features a 180 mm outside diameter, 35.3 mm inside diameter, 53 mm depth, and a single mounting hole configuration. The balancer is built around a bonded rubber isolator that helps reduce torsional vibration before it reaches the crankshaft and accessory drive. With ductile steel construction and a 6-groove serpentine pulley profile, this Dorman harmonic balancer supports stable belt tracking and consistent engine operation. This part number, 594-783, is also a practical OE-style replacement for Mustang owners searching for a Ford Mustang harmonic balancer or crankshaft damper replacement.

This part cross-references Ford OE 1R3Z6B321AA and PowerBond by Dayco PB1815N for the same application.

What It Helps Address

  • Crankshaft vibration and torsional oscillation
  • Worn or deteriorated harmonic balancer rubber bond
  • Accessory drive instability on serpentine belt systems
  • Timing reference visibility with degree-marked balancer wear
  • Replacement needs for a damaged Mustang crankshaft damper

Installation Notes and Tips

Verify pulley groove count, inside diameter, outside diameter, depth, and keyway configuration before installation. Confirm the crankshaft snout and mounting surfaces are clean and free of damage, and use the correct service procedure for the 2001-2004 Ford Mustang engine. This balancer does not include a center bolt or washer, so reuse or source the proper fasteners as required by the vehicle service specification.

Quality Assurance

Dorman backs this direct replacement harmonic balancer with materials selected for durability and fit consistency. The ductile steel body and bonded rubber isolator are specified to support long-term vibration control in Mustang engine applications.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004FordMustang3.9LV6N/A
2004FordMustang3.8LV6N/A
2003FordMustang3.8LV6N/A
2002FordMustang3.8LV6N/A
2001FordMustang3.8LV6N/A
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
PowerBond by Dayco — PB1815N1R3Z6B321AA