HomeSuspension > Shocks and StrutsRancho RS55188 Shock Absorber - Front
Part #: RS55188

Rancho RS55188 Shock Absorber - Front

RS5000X, Front
62 vehicles fit this part
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RS5000X, Front
Fitment: Nissan, Frontier, Xterra, and D21
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Overview of Rancho RS55188 Suspension Shock Absorber

The Rancho RS55188 suspension shock absorber is engineered for Nissan D21, Frontier, and Xterra models, providing reliable damping performance. Designed to meet specific vehicle requirements, this shock absorber supports improved ride control and handling.

  • Part Number: RS55188
  • Brand Line: RS5000X
  • Compressed Length: 8.87 inches
  • Extended Length: 12.7 inches
  • Travel Length: 3.83 inches
  • Extended Bumper Stop included
  • Lower Mount: Loop bushing & sleeve mount (12mm sleeve ID x 1.1/4" sleeve OAL)
  • Upper Mount: Stem mount (2.3/8" stem length x 3/8"-16 thread pitch)
  • Reserve Tube Diameter: 2 inches
  • Parts Pack Included: P01134

Details on the RS5000X Brand Line

The RS5000X series by Rancho is designed to offer consistent performance for light trucks and SUVs, including Nissan models like the D21, Frontier, and Xterra. This line focuses on delivering controlled damping with durable construction, suitable for both on-road and moderate off-road conditions. The RS55188 shock absorber is part of this series, featuring specifications tailored to maintain vehicle stability and comfort.

Technical Description of the RS55188 Shock Absorber

This suspension shock absorber features a compressed length of 8.87 inches and an extended length of 12.7 inches, providing a travel length of 3.83 inches. It includes an extended bumper stop to help protect the shock during full compression. The lower mounting uses a loop bushing and sleeve mount with a 12mm sleeve inner diameter and 1.25-inch outer length, while the upper mounting is a stem mount with a 2.375-inch stem length and 3/8"-16 thread pitch. The 2-inch reserve tube diameter supports consistent hydraulic performance. Note that this model does not include a compressed bumper stop or dust shield.

Applications and Problem Solving

  • Compatible with Nissan D21, Frontier, and Xterra front suspension systems
  • Addresses issues with worn or leaking factory shocks
  • Improves vehicle handling and ride comfort on varied terrain
  • Reduces excessive bouncing and body roll
  • Helps maintain proper suspension travel and control

Installation Notes and Tips

  • Verify compatibility with Nissan D21, Frontier, or Xterra front suspension before installation
  • Use appropriate tools for loop bushing and stem mount removal and installation
  • Inspect mounting hardware and replace if worn or damaged
  • Follow torque specifications for upper and lower mounts to ensure secure fitment
  • Check for proper shock travel and clearance after installation

Quality Assurance and Warranty

Rancho RS55188 shock absorbers are manufactured to meet OEM standards for durability and performance. The RS5000X line is designed for consistent operation under normal driving conditions. Warranty details should be confirmed with the product packaging or manufacturer documentation.

BrandRancho
Part NumberRS55188
PositionRS5000X, Front
LS23
S4
Compressed Bumper StopNo
Compressed Length8.87
Dust Shield IncludedNo
Extended Bumper StopYes
Extended Hydraulic LockoutNo
Extended Length12.7
Lower Mounting DescriptionLoop Bushing & Sleeve Mount - 12MM Sleeve ID X 1.1/4" Sleeve OAL
Parts PackP01134
Reserve Tube Diameter2
Travel Length3.83
Upper Mounting DescriptionStem Mount - 2.3/8" Stem Length X 3/8"-16 Thread Pitch

This part fits 62 vehicles. Search below:

YearMakeModelBody TypeDrive TypePositionNotes
2004NissanFrontierCrew Cab PickupRWDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2004NissanFrontierExtended Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2004NissanFrontierCrew Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2004NissanFrontierExtended Cab PickupRWDFrontwith Desert Runner Package; with Front Raised Height 0 (in); RS5000X
2004NissanFrontierExtended Cab PickupRWDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2004NissanFrontierExtended Cab Pickup4WDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2004NissanFrontierCrew Cab PickupRWDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2004NissanFrontierCrew Cab Pickup4WDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2004NissanXterraFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2003NissanFrontierCrew Cab PickupRWDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2003NissanFrontierExtended Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2003NissanFrontierCrew Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2003NissanFrontierExtended Cab PickupRWDFrontwith Desert Runner Package; with Front Raised Height 0 (in); RS5000X
2003NissanFrontierExtended Cab PickupRWDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2003NissanFrontierExtended Cab Pickup4WDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2003NissanFrontierCrew Cab PickupRWDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2003NissanFrontierCrew Cab Pickup4WDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2003NissanXterraFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2002NissanFrontierCrew Cab PickupRWDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2002NissanFrontierExtended Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2002NissanFrontierCrew Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2002NissanFrontierExtended Cab PickupRWDFrontwith Desert Runner Package; with Front Raised Height 0 (in); RS5000X
2002NissanFrontierExtended Cab PickupRWDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2002NissanFrontierExtended Cab Pickup4WDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2002NissanFrontierCrew Cab PickupRWDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2002NissanFrontierCrew Cab Pickup4WDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2002NissanXterraFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2001NissanFrontierCrew Cab PickupRWDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2001NissanFrontierStandard Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2001NissanFrontierExtended Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2001NissanFrontierCrew Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2001NissanFrontierStandard Cab PickupRWDFrontwith Desert Runner Package; with Front Raised Height 0 (in); RS5000X
2001NissanFrontierExtended Cab PickupRWDFrontwith Desert Runner Package; with Front Raised Height 0 (in); RS5000X
2001NissanFrontierExtended Cab PickupRWDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2001NissanFrontierExtended Cab Pickup4WDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2001NissanFrontierCrew Cab PickupRWDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2001NissanFrontierCrew Cab Pickup4WDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2001NissanXterraFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2000NissanFrontierCrew Cab PickupRWDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2000NissanFrontierStandard Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2000NissanFrontierExtended Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2000NissanFrontierCrew Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
2000NissanFrontierStandard Cab PickupRWDFrontwith Desert Runner Package; with Front Raised Height 0 (in); RS5000X
2000NissanFrontierExtended Cab PickupRWDFrontwith Desert Runner Package; with Front Raised Height 0 (in); RS5000X
2000NissanFrontierExtended Cab PickupRWDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2000NissanFrontierExtended Cab Pickup4WDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2000NissanFrontierCrew Cab PickupRWDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2000NissanFrontierCrew Cab Pickup4WDFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
2000NissanXterraFrontwith Rancho Suspension System; with Front Raised Height 2.5 (in); RS5000X
1999NissanFrontierStandard Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
1999NissanFrontierExtended Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
1998NissanFrontierStandard Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
1998NissanFrontierExtended Cab Pickup4WDFrontFront suspension strut for vehicles with 0" lift, suitable for installation.; RS5000X
1994NissanD21Frontwith Front Raised Height 2.5 (in); RS5000X
1993NissanD21Frontwith Front Raised Height 2.5 (in); RS5000X
1992NissanD21Frontwith Front Raised Height 2.5 (in); RS5000X
1991NissanD21Frontwith Front Raised Height 2.5 (in); RS5000X
1990NissanD21Frontwith Front Raised Height 2.5 (in); RS5000X
1989NissanD21Frontwith Front Raised Height 2.5 (in); RS5000X
1988NissanD21Frontwith Front Raised Height 2.5 (in); RS5000X
1987NissanD21Frontwith Front Raised Height 2.5 (in); RS5000X
1986NissanD21Frontwith Front Raised Height 2.5 (in); RS5000X

* 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:

RS5188

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