HomeSuspension > Shocks and StrutsPRT Performance Ride 173904 Suspension Shock Absorber - Rear
Part #: 173904

PRT Performance Ride 173904 Suspension Shock Absorber - Rear

PRT Shock Absorber, Rear
⚙️ 11 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦PRT Shock Absorber, Rear
🚗Fitment: Acura, MDX and ZDX
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Overview of PRT Shock Absorber 173904 for Acura MDX and ZDX

The PRT Performance Ride Shock Absorber 173904 is designed specifically for Acura MDX and ZDX models, providing reliable suspension performance. This gas-charged shock absorber features durable metal dust shields and loop-style mounts for secure installation.

  • Compressed length: 14.49 inches
  • Extended length: 21.50 inches
  • Travel length and shock stroke: 7.01 inches
  • Gas charged for consistent damping
  • Metal dust shield included for protection
  • Upper and lower loop mount types
  • Body diameter: 1.77 inches
  • Non-adjustable design
  • Boot not included
  • Coil over springs not included

Detailed Features of the PRT Shock Absorber Line

The PRT Shock Absorber product line focuses on delivering dependable suspension components tailored to specific vehicle applications. The 173904 shock absorber maintains consistent damping performance through its gas-charged design, while the metal dust shield helps protect internal components from debris and wear. Loop-style mounts at both ends ensure a secure fitment for Acura MDX and ZDX models, supporting stable handling and ride quality.

Technical Description and Specifications

This suspension shock absorber has a compressed length of 14.49 inches and extends to 21.50 inches, providing a travel length and shock stroke of 7.01 inches. The 1.77-inch body diameter contributes to its structural integrity. The shock absorber rod end and body end measuring points are centered on the loops, facilitating precise installation alignment. Although this model is non-adjustable and does not include coil over springs or a protective boot, it incorporates a metal dust shield to enhance durability in demanding driving conditions.

Common Suspension Issues Addressed

  • Reduced ride comfort due to worn shocks
  • Excessive body roll or instability during cornering
  • Increased braking distances from poor shock absorption
  • Uneven tire wear caused by inconsistent damping
  • Noise or vibration from damaged suspension components

Installation Notes and Tips

When installing the PRT Performance Ride Shock Absorber 173904 on Acura MDX or ZDX vehicles, ensure the loop mounts align correctly with the vehicle’s suspension points. Verify the shock absorber’s compressed and extended lengths match the original equipment specifications. Since this shock absorber is non-adjustable, no tuning is required post-installation. Use appropriate tools to avoid damaging the metal dust shield during mounting.

Quality Assurance and Warranty

The PRT Shock Absorber 173904 is manufactured to meet OEM standards for fitment and performance on Acura MDX and ZDX models. It features a gas-charged design for consistent damping and a metal dust shield for extended service life. Warranty details are provided by the manufacturer and should be confirmed at the time of purchase.

BrandPRT Performance Ride
Part Number173904
PositionPRT Shock Absorber, Rear
Compressed Length14.49
Travel Length7.01
Coil Over Springs IncludedNo
Dust ShieldYes
Extended Length21.50
Shock Stroke7.01
AdjustableNo
Shock Absorber Rod End Measuring PointCenter of the loop
Shock Absorber Body End Measuring PointCenter of the loop
Lower Mount TypeLoop
Upper Mount TypeLoop
Boot IncludedNo
Gas ChargedYes
Body Diameter1.77
Dust Shield MaterialMetal

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013AcuraMDX3.7LV6RearExc. Electonic Adjustable Suspension; PRT Shock Absorber
2013AcuraZDXRearExc. Electonic Adjustable Suspension; PRT Shock Absorber
2012AcuraMDX3.7LV6RearExc. Electonic Adjustable Suspension; PRT Shock Absorber
2012AcuraZDXRearExc. Electonic Adjustable Suspension; PRT Shock Absorber
2011AcuraMDX3.7LV6RearExc. Electonic Adjustable Suspension; PRT Shock Absorber
2011AcuraZDXRearExc. Electonic Adjustable Suspension; PRT Shock Absorber
2010AcuraMDX3.7LV6RearExc. Electonic Adjustable Suspension; PRT Shock Absorber
2010AcuraZDXRearExc. Electonic Adjustable Suspension; PRT Shock Absorber
2009AcuraMDX3.7LV6RearExc. Electonic Adjustable Suspension; PRT Shock Absorber
2008AcuraMDX3.7LV6RearExc. Electonic Adjustable Suspension; PRT Shock Absorber
2007AcuraMDX3.7LV6RearExc. Electonic Adjustable Suspension; PRT Shock Absorber

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.