PRT Performance Ride
PRT Shock Absorber

PRT Performance Ride 173843 Shock Absorber - Rear

Brand PRT Performance Ride 173843
Position Rear
Adjustable No
Body Diameter 1.77
Boot Included No
Coil Over Springs Included No
Compressed Length 13.98
Dust Shield No
Extended Length 20.08
Gas Charged Yes
Lower Mount Type Bracket
Shock Absorber Body End Measuring Point Center of the Bracket
Shock Absorber Rod End Measuring Point Stage of the Bolt
Shock Stroke 6.10
Travel Length 6.10
Upper Mount Type Bolt
Product line PRT Shock Absorber
Fits INFINITI and Nissan · 7 vehicles

Gas charged. Delivers consistent damping performance for a smoother ride.

Bolt and bracket mounts. Simplifies installation with a direct-fit shock absorber design.

PRT Shock Absorber. Built for suspension replacement with a straightforward OE-style fit.

$35.02Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Shock Absorbers are typically replaced in pairs, axle by axle.
Order total $35.02
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Rear Shock Absorber for Sport Suspension

PRT Performance Ride 173843 is a gas-charged rear suspension shock absorber built for select Infiniti G35 and Nissan 350Z sport suspension applications. It is engineered with a 6.10-inch stroke, 20.08-inch extended length, and 13.98-inch compressed length to match the specified rear suspension geometry.

The PRT Shock Absorber line focuses on direct-fit replacement dampers for passenger vehicles that need controlled rear suspension movement and stable road contact. Part number 173843 uses a bolt upper mount and bracket lower mount, with a 1.77-inch body diameter and no adjustable valving.

Key Features

  • PRT Performance Ride 173843 rear shock absorber
  • Gas charged for consistent damping response
  • Compressed length: 13.98 inches
  • Extended length: 20.08 inches
  • Shock stroke / travel length: 6.10 inches
  • Upper mount type: bolt
  • Lower mount type: bracket
  • No coil over springs included
  • No boot or dust shield included
  • Non-adjustable design

Detailed Description

PRT Performance Ride 173843 is a rear suspension shock absorber for 2003-2006 INFINITI G35, rear, sport suspension and 2003-2005 Nissan 350Z, rear, sport suspension. This part number is built around the listed mounting points and dimensions to support proper rear suspension fitment on these applications. If you are replacing a worn rear damper on an Infiniti G35 or Nissan 350Z with sport suspension, part number 173843 provides the specified bolt-to-bracket configuration and gas-charged construction.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

  • Replacing a leaking or worn rear shock absorber
  • Restoring rear suspension control on an INFINITI G35 or Nissan 350Z sport suspension setup
  • Reducing excessive bounce after bumps and dips
  • Addressing uneven rear ride behavior caused by damper wear
  • Supporting stable rear wheel contact during normal driving

Installation Notes and Tips

Verify rear fitment by matching the vehicle year, model, and sport suspension configuration before installation. Confirm the upper bolt mount and lower bracket mount match the original shock absorber on the vehicle. Inspect surrounding suspension components, including bushings and mounting points, before installing PRT 173843 to ensure the new shock can operate correctly.

Quality Assurance

PRT Performance Ride 173843 is a gas-charged replacement shock absorber built to the listed dimensions and mounting style for the specified rear applications. The PRT Shock Absorber product line is focused on direct-fit suspension replacement parts for passenger vehicles.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2006INFINITIG35Coupe3.5LV6RearSport Suspension; PRT Shock Absorber
2005INFINITIG35Coupe3.5LV6RearSport Suspension; PRT Shock Absorber
2005Nissan350Z3.5LV6RearSport Suspension; PRT Shock Absorber
2004INFINITIG35Coupe3.5LV6RearSport Suspension; PRT Shock Absorber
2004Nissan350Z3.5LV6RearSport Suspension; PRT Shock Absorber
2003INFINITIG35Coupe3.5LV6RearSport Suspension; PRT Shock Absorber
2003Nissan350Z3.5LV6RearSport Suspension; PRT Shock Absorber