HomeSuspension > Shocks and StrutsMonroe 171145 Suspension Strut and Coil Spring Assembly - Rear
Part #: 171145

Monroe 171145 Suspension Strut and Coil Spring Assembly - Rear

Quick-Strut Complete Strut Assembly, Rear
7 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$143.55Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Quick-Strut Complete Strut Assembly, Rear
Fitment: Mitsubishi, Eclipse
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Monroe Quick-Strut Complete Strut Assembly Overview

The Monroe Quick-Strut Complete Strut Assembly 171145 is designed specifically for Mitsubishi Eclipse models, providing a reliable suspension upgrade. This gas-charged suspension strut and coil spring assembly comes with all necessary mounting hardware for a straightforward installation.

  • Complete strut and coil spring assembly for Mitsubishi Eclipse
  • Gas charged for consistent damping performance
  • Includes mounting hardware for easy installation
  • Compressed length: 12.625 inches, travel length: 6.25 inches
  • Body length: 12.125 inches, extended length: 18.875 inches
  • Parts pack included (P01101)

Detailed Product Features and Specifications

The Monroe Quick-Strut Complete Strut Assembly 171145 integrates a gas-charged shock absorber with a coil spring, engineered to restore the original ride height and handling characteristics of your Mitsubishi Eclipse. The compressed length of 12.625 inches and travel length of 6.25 inches ensure proper suspension travel and responsiveness. The body length measures 12.125 inches, while the extended length reaches 18.875 inches, matching OE specifications for optimal fit and function. This assembly includes all mounting hardware, simplifying the replacement process and reducing installation time.

Compatible Vehicles and Application

This suspension strut and coil spring assembly is compatible with Mitsubishi Eclipse models, providing a direct replacement for worn or damaged struts. It is ideal for addressing common suspension issues such as:

  • Excessive bouncing or poor ride quality
  • Uneven tire wear due to suspension misalignment
  • Reduced vehicle stability during cornering
  • Noise or clunking from worn strut components
  • Loss of proper ride height or sagging suspension

Installation Notes and Tips

Installation of the Monroe Quick-Strut Complete Strut Assembly 171145 is simplified by the inclusion of all necessary mounting hardware. It is recommended to have the vehicle properly supported and to follow manufacturer torque specifications during installation. Aligning the suspension after replacement is advised to ensure optimal handling and tire wear. Professional installation is recommended if you are unfamiliar with suspension components.

Quality Assurance and Warranty

Monroe's Quick-Strut Complete Strut Assembly line is engineered to meet or exceed original equipment standards. The gas-charged design enhances durability and performance under various driving conditions. This product includes a parts pack (P01101) and mounting hardware to ensure a complete and reliable replacement. Warranty details should be confirmed with the product documentation or supplier.

BrandMonroe
Part Number171145
PositionQuick-Strut Complete Strut Assembly, Rear
Body Length12.125
Compressed Length12.625
Extended Length18.875
Gas ChargedYes
Mounting Hardware IncludedYES
Parts PackP01101
Travel Length6.25

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2012MitsubishiEclipseRearRefer to product warranty for commercial usage; assembled in the USA; includes strut, strut mount, and coil spring; suggested for OE application-specific replacement.; Quick-Strut Complete Strut Assembly
2011MitsubishiEclipseRearRefer to product warranty for commercial usage; assembled in the USA; includes strut, strut mount, and coil spring; suggested for OE application-specific replacement.; Quick-Strut Complete Strut Assembly
2010MitsubishiEclipseRearRefer to product warranty for commercial usage; assembled in the USA; includes strut, strut mount, and coil spring; suggested for OE application-specific replacement.; Quick-Strut Complete Strut Assembly
2009MitsubishiEclipseRearRefer to product warranty for commercial usage; assembled in the USA; includes strut, strut mount, and coil spring; suggested for OE application-specific replacement.; Quick-Strut Complete Strut Assembly
2008MitsubishiEclipseRearRefer to product warranty for commercial usage; assembled in the USA; includes strut, strut mount, and coil spring; suggested for OE application-specific replacement.; Quick-Strut Complete Strut Assembly
2007MitsubishiEclipseRearRefer to product warranty for commercial usage; assembled in the USA; includes strut, strut mount, and coil spring; suggested for OE application-specific replacement.; Quick-Strut Complete Strut Assembly
2006MitsubishiEclipseRearRefer to product warranty for commercial usage; assembled in the USA; includes strut, strut mount, and coil spring; suggested for OE application-specific replacement.; Quick-Strut Complete Strut Assembly

* 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:

1345427

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