FCS 342559 Shock Absorber - Rear

Brand FCS 342559
Position Rear
Compressed Length 13.78
Extended Length 22.83
Stroke Length 9.05
Product line FCS
Fits Jeep · 12 vehicles

Shock absorber. Smooths suspension movement for a more controlled ride.

Compressed and extended lengths are matched for proper suspension travel.

$45.70Free 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 β€” free returns if it doesn't
Step 2 — Quantity
Shock Absorbers are typically replaced in pairs, axle by axle.
Order total $45.70
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 Jeep Wrangler

FCS 342559 is a rear suspension shock absorber for Jeep Wrangler applications. It is built around the listed compressed length of 13.78 inches, extended length of 22.83 inches, and 9.05 inches of stroke to match the rear suspension travel required by the vehicle.

Compatible with 2007-2017 Jeep Wrangler, rear, and 2018 Jeep Wrangler JK, rear, this FCS shock absorber supports direct replacement service for the rear suspension. The FCS line focuses on application-specific suspension components, and part number 342559 is cataloged for these Jeep fitments.

Key Features

  • Rear suspension shock absorber for Jeep Wrangler and Jeep Wrangler JK
  • Compressed length: 13.78 inches
  • Extended length: 22.83 inches
  • Stroke length: 9.05 inches
  • Fits 2007-2017 Jeep Wrangler, rear
  • Fits 2018 Jeep Wrangler JK, rear
  • FCS part number 342559

Detailed Description

FCS 342559 is a rear shock absorber selected for the Jeep Wrangler platform where correct extended and compressed lengths are important for suspension movement and ride control. The listed dimensions help confirm proper rear fitment before installation, especially on 2007-2017 Jeep Wrangler models and the 2018 Jeep Wrangler JK rear application. If you are searching for a rear shock absorber for Jeep Wrangler JK 2018 or a rear replacement shock for 2007-2017 Jeep Wrangler, part number 342559 is the cataloged match.

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

What It Helps Address

  • Rear suspension bounce after bumps or dips
  • Excessive body movement over uneven pavement
  • Reduced rear damping performance from a worn shock
  • Unstable rear ride control during daily driving
  • Incorrect shock length for the rear suspension travel

Installation Notes and Tips

Verify rear fitment by matching the vehicle year, model, and the listed compressed and extended lengths before installation. Confirm that the shock absorber orientation and mounting points match the rear suspension on your Jeep Wrangler or Jeep Wrangler JK. Inspect related suspension components for wear while replacing the shock absorber.

Quality Assurance

FCS catalogs this shock absorber as an application-specific suspension replacement for the listed Jeep Wrangler rear fitments. Part number 342559 is identified for 2007-2017 Jeep Wrangler rear and 2018 Jeep Wrangler JK rear service.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2018JeepWrangler JK—RearFCS
2017JeepWrangler4WDRearFCS
2016JeepWrangler4WDRearFCS
2015JeepWrangler4WDRearFCS
2014JeepWrangler—RearFCS
2013JeepWrangler—RearFCS
2012JeepWrangler—RearFCS
2011JeepWrangler—RearFCS
2010JeepWrangler4WDRearFCS
2009JeepWrangler4WDRearFCS
2008JeepWrangler4WDRearFCS
2007JeepWrangler4WDRearFCS