HomeSuspension > Shocks and StrutsPRT Performance Ride 173851 Shock Absorber - Rear
Part #: 173851

PRT Performance Ride 173851 Shock Absorber - Rear

PRT Shock Absorber, Rear
8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
PRT Shock Absorber, Rear
Fitment: Ford and Mercury, Freestar and Monterey
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Reliable Suspension Upgrade for Ford Freestar

The PRT Performance Ride PRT Shock Absorber part number 173851 is designed specifically for the Ford Freestar, providing consistent damping performance to improve ride quality and vehicle control. This gas-charged shock absorber features durable construction and precise dimensions to ensure proper fitment and function.

  • Compressed length: 10.35 inches
  • Travel length and shock stroke: 5.28 inches
  • Extended length: 15.63 inches
  • Gas charged for consistent damping
  • Metal dust shield included for protection
  • Upper and lower mount types: loop
  • Body diameter: 1.77 inches
  • Shock absorber rod and body end measuring points at center of the loop
  • No coil over springs or boot included
  • Compatible with Ford Freestar models

About the PRT Shock Absorber Product Line

The PRT Shock Absorber line from PRT Performance Ride focuses on delivering reliable suspension components engineered for specific vehicle applications. This product line emphasizes precise fitment and durable materials, such as metal dust shields and gas-charged technology, to maintain consistent shock performance under various driving conditions. The PRT Shock Absorber 173851 is part of this line, tailored to meet the suspension needs of the Ford Freestar.

Product Details and Specifications

This suspension shock absorber features a compressed length of 10.35 inches and an extended length of 15.63 inches, with a travel length and shock stroke of 5.28 inches. The gas-charged design helps reduce foaming and maintains consistent damping performance. Both the upper and lower mounts use loop-style connections, with measuring points centered on the loops for accurate installation. The shock body diameter measures 1.77 inches, and a metal dust shield is included to protect the internal components from debris and extend service life. Note that coil over springs and boots are not included with this part.

Common Suspension Issues Addressed

  • Reduced vehicle stability and control due to worn shocks
  • Excessive bouncing or poor ride comfort on rough roads
  • Uneven tire wear caused by inadequate damping
  • Noise or rattling from damaged or failing shock absorbers
  • Decreased braking performance linked to suspension wear

Installation Notes and Tips

When installing the PRT Performance Ride PRT Shock Absorber 173851 on a Ford Freestar, ensure the vehicle is securely lifted and supported. Verify that the loop-style upper and lower mounts align correctly with the vehicle’s suspension points. Use the center of the loop as the measuring point for accurate placement. Since this shock absorber is not adjustable and does not include coil springs or boots, no additional tuning or components are required. Inspect mounting hardware for wear and replace if necessary to maintain secure attachment.

Quality Assurance and Warranty

The PRT Shock Absorber 173851 is manufactured to meet industry standards for durability and performance. It includes a metal dust shield to protect internal components and is gas charged to ensure consistent damping. While specific warranty details are not provided, PRT Performance Ride products typically adhere to quality control processes to support reliable operation in Ford Freestar suspension systems.

BrandPRT Performance Ride
Part Number173851
PositionPRT Shock Absorber, Rear
AdjustableNo
Body Diameter1.77
Boot IncludedNo
Coil Over Springs IncludedNo
Compressed Length10.35
Dust ShieldYes
Dust Shield MaterialMetal
Extended Length15.63
Gas ChargedYes
Lower Mount TypeLoop
Shock Absorber Body End Measuring PointCenter of the Loop
Shock Absorber Rod End Measuring PointCenter of the Loop
Shock Stroke5.28
Travel Length5.28
Upper Mount TypeLoop

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007FordFreestar4.2LV6RearPRT Shock Absorber
2007FordFreestar3.9LV6RearPRT Shock Absorber
2006FordFreestar4.2LV6RearPRT Shock Absorber
2006FordFreestar3.9LV6RearPRT Shock Absorber
2005FordFreestar4.2LV6RearPRT Shock Absorber
2005FordFreestar3.9LV6RearPRT Shock Absorber
2004FordFreestar4.2LV6RearPRT Shock Absorber
2004FordFreestar3.9LV6RearPRT Shock Absorber

* 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:

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