Dorman 594-427 Engine Harmonic Balancer

Dorman 594-427 Harmonic Balancer

This Dorman harmonic balancer is a direct replacement for select Ram, Dodge, and Chrysler applications. It uses a stress-resistant rubber bond to absorb engine vibration, while ductile steel construction adds tensile and impact strength for long-term durability.

• Direct replacement harmonic balancer for OE-style fitment
• Stress-resistant rubber bond helps absorb crankshaft vibration
• Ductile steel construction for added strength and durability
• Black finish
• 6-groove serpentine belt design
• 1 mounting hole
• Inside diameter: 37.44 mm
• Outside diameter: 185 mm
• Depth: 106 mm

Built for engines that rely on a serpentine drive belt, this balancer helps maintain smooth crankshaft operation and supports consistent accessory drive performance. Part number 594-427 is a practical OE-style replacement for Ram 1500, Ram 2500, Ram 3500, Ram 4000, Dodge Ram 1500, Dodge Ram 2500, Dodge Ram 3500, Dodge Durango, and Chrysler Aspen applications listed below. This part cross-references ATP (e.g., 102348) for the same application.

Vehicle Fitment

• Fits 2011-2020 Ram 1500, N/A
• Fits 2020 Ram 2500, N/A, wo/Towing Package
• Fits 2020 Ram 3500, N/A, wo/Towing Package
• Fits 2019 Ram 1500 Classic, N/A
• Fits 2011-2019 Ram 2500, N/A
• Fits 2014-2019 Ram 2500, N/A, wo/Sales Code XF5
• Fits 2014-2019 Ram 3500, N/A, wo/Sales Code XF5
• Fits 2011-2018 Ram 3500, N/A
• Fits 2011-2018 Ram 4000, N/A
• Fits 2009-2010 Dodge Ram 1500, N/A
• Fits 2009-2010 Dodge Ram 2500, N/A
• Fits 2009 Chrysler Aspen, N/A
• Fits 2009 Dodge Durango, N/A
• Fits 2009 Dodge Ram 3500, N/A

Common Issues This Part Addresses

• Crankshaft vibration that can affect engine smoothness
• Worn or damaged harmonic balancer rubber bond
• Accessory drive imbalance on serpentine belt systems
• Noise or vibration from a deteriorated balancer assembly
• Replacement needs after inspection reveals balancer wear

Installation Notes and Tips

Verify engine application, belt configuration, and any listed exclusions before installation. Confirm the inside diameter, outside diameter, groove count, and depth match the original part, and inspect the crankshaft snout and pulley alignment during service. Bolt and washer are not included, and the center bolt is not included.

Quality Assurance

Dorman manufactures this harmonic balancer as a direct replacement component with materials selected for vibration control and durability. Its rubber bond and ductile steel construction support dependable service in Ram and Dodge truck applications, including Ram 1500 and Ram 2500 models.