Fluidampr 531101 Harmonic Balancer Subaru EJ Series

Overview

The Fluidampr 531101 Sport Compact Series Replacement Harmonic Damper is a high-performance, viscous crankshaft vibration damper engineered to control torsional vibrations and reduce parasitic power loss. Designed for optimal performance in Subaru EJ and Legacy engines as well as other models, this damper is trusted by experts to keep your engine running at peak efficiency without the need for tuning or rebuilding.

Key Features & Benefits

• Superior Vibration Control:
  Continuously self-tunes in real time to control torsional vibrations across the entire RPM range.
• Enhanced Engine Performance:
  Boosts horsepower and torque, improves fuel efficiency, and reduces wear on crankshaft bearings and timing gears.
• Plug-and-Play Installation:
  No tuning required; simply bolt on the Fluidampr 531101 and upgrade your engine immediately.
• Robust Construction:
  Made of steel with a black zinc finish, this damper weighs 6.9 lbs with an outside diameter of 5 3/8 inches.
• OEM Quality, Made in USA:
  SFI 18.1 certified and manufactured in ISO-certified facilities for unmatched durability and precision.

Applications

The Fluidampr 531101 Sport Compact Harmonic Damper is designed for a wide range of vehicles, including:

• Subaru Models:
  • Subaru Forester 2.5 (EJ251; EJ253; EJ25D)
  • Subaru Impreza & Outback (various EJ-series engines)
  • Subaru Baja Sport & Baja Turbo (EJ255)
  • Subaru Legacy, Legacy GT, and Legacy Spec. B (EJ251; EJ252; EJ253; EJ259)
• SAAB 9-2X AERO (EJ205; EJ255)

If you are searching for a Subaru Forester harmonic balancer, the Fluidampr 531101 delivers the performance and reliability required for your engine.

Replacement & Service

For optimal engine performance and to prevent excessive wear, inspect and replace your crankshaft damper at the 300,000-mile interval or during an in-frame overhaul. Timely replacement of the Fluidampr 531101 is critical to avoid catastrophic engine damage and to prolong engine life.

Specifications

• Material: Steel
• Finish: Black Zinc Coating
• Outside Diameter: 5 3/8 inches
• Weight: 6.9 lbs
• Design: Internally balanced, viscous damper (no pulley)
• Certification: SFI 18.1 Certified
• Origin: Made in USA

Additional Resources

• Timing Cover Modifications:
  For guidance on timing cover modifications, view Fluidampr’s Subaru EJ Timing Cover Trim PDF.
• More Dampers:
  Explore our full range of Fluidampr Sport Compact Dampers in our Fluidampr Sport Compact Dampers Collection.

• By KLM Performance