HomeSuspension > Suspension, Springs and Related ComponentsMoog 81643 Coil Spring Set - Rear
Part #: 81643

Moog 81643 Coil Spring Set - Rear

Rear
8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Acura and Honda, MDX and Pilot
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Moog Coil Spring Set for Acura MDX and Honda Pilot

The Moog 81643 coil spring set is engineered to restore suspension performance for Acura MDX and Honda Pilot models. Designed with precise wire diameter and length specifications, this coil spring set ensures reliable ride height and handling characteristics.

  • Wire diameter options: 0.765 inches (19.4 mm)
  • Front and rear spring relaxed length: 14.625 inches (371.5 mm)
  • Front and rear spring compressed length: 10.000 inches (254.0 mm)
  • Compatible with Acura MDX and Honda Pilot suspension systems
  • Part number 81643 for accurate identification and fitment

Technical Specifications and Design Details

The Moog 81643 coil spring set features a wire diameter of 0.765 inches (19.4 mm), providing the necessary strength and flexibility for front and rear suspension applications. Both front and rear springs share identical relaxed lengths of 14.625 inches (371.5 mm) and compressed lengths of 10.000 inches (254.0 mm), ensuring balanced suspension response and consistent ride height. These specifications are critical for maintaining proper suspension geometry and vehicle stability on Acura MDX and Honda Pilot models.

Applications and Performance Benefits

This coil spring set is designed specifically for use in the suspension systems of Acura MDX and Honda Pilot vehicles. It addresses common suspension issues such as:

  • Sagging or lowered ride height due to worn springs
  • Uneven or unstable handling characteristics
  • Reduced suspension travel and comfort
  • Noise or vibration caused by fatigued springs
  • Restoring original suspension geometry for improved safety

Installation Notes and Tips

When installing the Moog 81643 coil spring set, ensure the vehicle is securely lifted and supported. It is recommended to replace springs in pairs (front or rear) to maintain balanced suspension performance. Verify spring orientation and seating during installation to prevent premature wear or noise. Professional installation is advised for safety and optimal results.

Quality Assurance and Warranty

Moog coil springs are manufactured to meet or exceed OEM specifications, ensuring durability and consistent performance. The 81643 coil spring set undergoes rigorous quality control to provide reliable suspension support for Acura MDX and Honda Pilot vehicles. Warranty coverage details should be confirmed with the manufacturer or authorized distributor.

BrandMoog
Part Number81643
Wire Diameter0.765
Wire Diameter19.4
Front Spring Relaxed Length14.625
Front Spring Relaxed Length371.5
Front Spring Compressed Length10.000
Front Spring Compressed Length254.0
Rear Spring Relaxed Length14.625
Rear Spring Relaxed Length371.5
Rear Spring Compressed Length10.000
Rear Spring Compressed Length254.0

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2011AcuraMDXRearwithout Sport Suspension
2011HondaPilotRear
2010AcuraMDXRearwithout Sport Suspension
2010HondaPilotRear
2009AcuraMDXRearwithout Sport Suspension
2009HondaPilotRear
2008AcuraMDXRearwithout Sport Suspension
2007AcuraMDXRearwithout Sport Suspension

* 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:

277381052441STXA0252441STXA0352441SZBA0252441SZVA018G1Z5310E

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