FCS 342539 Shock Absorber - Rear
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 FCS

FCS 342539 Shock Absorber - Rear

Brand FCS 342539
Position Rear
Compressed Length 14.57
Extended Length 21.65
Stroke Length 7.08
Product line FCS
Fits Acura · 11 vehicles

Direct replacement. Suspension shock absorber for straightforward service replacement.

Compressed, extended, and stroke lengths are specified for accurate fitment.

$48.76Free 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 $48.76
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Shock Absorber options

Rear Shock Absorber for Acura MDX and ZDX

FCS 342539 is a rear suspension shock absorber built around the listed compressed length of 14.57 inches, extended length of 21.65 inches, and 7.08 inches of stroke. It is a direct-fit replacement for select Acura MDX and Acura ZDX applications with rear suspension service needs.

Key Features

  • Compressed length: 14.57 in.
  • Extended length: 21.65 in.
  • Stroke length: 7.08 in.
  • Rear-position shock absorber for suspension replacement
  • FCS part number 342539 for application matching

Application Details

Compatible With 2007-2013 Acura MDX, rear, excluding vehicles with electronic adjustable suspension. Compatible With 2010-2013 Acura ZDX, rear, excluding electronic suspension. For buyers searching for a rear shock absorber for 2007-2013 Acura MDX or a rear suspension shock for 2010-2013 Acura ZDX, FCS 342539 provides the listed dimensional specifications needed for fitment verification.

FCS is the brand line identified for this part, and 342539 is the catalog number used to match the correct rear shock absorber to the vehicle application.

What This Part Helps Address

  • Rear suspension noise from a worn shock absorber
  • Excessive bouncing after bumps or dips
  • Reduced rear-end control during braking or cornering
  • Uneven ride quality at the back of the vehicle
  • Fluid leakage from a failing rear shock

Installation Notes and Tips

Verify rear suspension type before ordering. This part is not suitable for Acura MDX models with electronic adjustable suspension and excludes Acura ZDX models with electronic suspension. Confirm compressed length, extended length, and stroke length against the original unit before installation. Use the vehicle’s service information for torque specifications and final inspection.

Quality Assurance

FCS 342539 is specified with exact dimensional data to support accurate replacement selection. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Related reading

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2013AcuraMDXRearNot suitable for vehicles with electronic adjustable suspension.; FCS
2013AcuraZDXRearExc. Electronic Suspension; FCS
2012AcuraMDXRearNot suitable for vehicles with electronic adjustable suspension.; FCS
2012AcuraZDXRearExc. Electronic Suspension; FCS
2011AcuraMDXRearNot suitable for vehicles with electronic adjustable suspension.; FCS
2011AcuraZDXRearExc. Electronic Suspension; FCS
2010AcuraMDXRearNot suitable for vehicles with electronic adjustable suspension.; FCS
2010AcuraZDXRearExc. Electronic Suspension; FCS
2009AcuraMDXRearNot suitable for vehicles with electronic adjustable suspension.; FCS
2008AcuraMDXRearNot suitable for vehicles with electronic adjustable suspension.; FCS
2007AcuraMDXRearNot suitable for vehicles with electronic adjustable suspension.; FCS