HomeSuspension > Shocks and StrutsRancho RS55009 Shock Absorber - Rear
Part #: RS55009

Rancho RS55009 Shock Absorber - Rear

RS5000X, Rear
53 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
RS5000X, Rear
Fitment: Ford, F-100, F-150, and F-250
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Overview of Rancho RS5000X Suspension Shock Absorber

The Rancho RS5000X RS55009 suspension shock absorber is engineered for Ford trucks including the F-100, F-150, and F-250 models. Designed to provide reliable damping performance, this shock absorber supports improved ride control and handling for these specific vehicles.

  • Compressed length: 15.75 inches
  • Travel length: 10.57 inches
  • Extended length: 26.32 inches
  • Lower mounting: Loop bushing & sleeve mount (1/2" sleeve ID x 1.1/2" sleeve OAL)
  • Upper mounting: Stem mount (2.3/8" stem length x 3/8"-16 thread pitch)
  • No compressed or extended bumper stops included
  • No dust shield or extended hydraulic lockout
  • Parts pack included (P01134)

Details on the RS5000X Product Line

The RS5000X line from Rancho is designed to offer dependable suspension shock absorbers tailored for trucks requiring precise fitment and consistent performance. This product line focuses on delivering controlled damping characteristics suitable for Ford F-series trucks, ensuring compatibility and durability under typical driving conditions.

Technical Description of the RS55009 Shock Absorber

The RS55009 shock absorber features a compressed length of 15.75 inches and a travel length of 10.57 inches, providing a total extended length of 26.32 inches. The lower mounting utilizes a loop bushing and sleeve mount with a 1/2 inch sleeve inner diameter and 1.5 inch outer length, while the upper mounting is a stem mount with a 2.375 inch stem length and 3/8"-16 thread pitch. This shock absorber does not include compressed or extended bumper stops, dust shields, or extended hydraulic lockout, focusing on a straightforward design for reliable suspension performance.

Applications and Problem Solving

  • Compatible with Ford F-100, F-150, and F-250 models requiring replacement suspension shocks
  • Addresses issues with worn or leaking shock absorbers causing poor ride quality
  • Improves vehicle handling and stability on uneven or rough terrain
  • Reduces excessive body roll and suspension bounce
  • Restores proper suspension travel and damping response

Installation Notes and Tips

  • Verify compatibility with your specific Ford model and year before installation
  • Ensure proper alignment of the loop bushing and sleeve mount on the lower end
  • Use appropriate tools for the 3/8"-16 threaded stem mount on the upper end
  • Inspect mounting hardware and replace if worn or damaged
  • Follow vehicle manufacturer torque specifications during installation

Quality Assurance and Warranty

Rancho RS5000X shock absorbers are manufactured to meet OEM standards for fit and function. The RS55009 part number undergoes quality control to ensure durability and consistent performance. Warranty details should be confirmed with the manufacturer or authorized distributor.

BrandRancho
Part NumberRS55009
PositionRS5000X, Rear
LS38
S4
Compressed Bumper StopNo
Compressed Length15.75
Dust Shield IncludedNo
Extended Bumper StopNo
Extended Hydraulic LockoutNo
Extended Length26.32
Lower Mounting DescriptionLoop Bushing & Sleeve Mount - 1/2" Sleeve ID X 1.1/2" Sleeve OAL
Parts PackP01134
Travel Length10.57
Upper Mounting DescriptionStem Mount - 2.3/8" Stem Length X 3/8"-16 Thread Pitch

This part fits 53 vehicles. Search below:

YearMakeModelBody TypeDrive TypePositionNotes
1979FordF-100Standard Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1979FordF-100Extended Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1979FordF-100Cab & ChassisRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1979FordF-150RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1979FordF-1504WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1979FordF-2504WDRearwith Rear Raised Height 1.5 (in) to 3.5 (in); RS8125 Axle Shim Kit may be Required on Rear Axle for Shock-to-Axle Clearance; RS5000X
1979FordF-250RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1978FordF-100Standard Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1978FordF-100Extended Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1978FordF-100Cab & ChassisRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1978FordF-150RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1978FordF-1504WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1978FordF-2504WDRearwith Rear Raised Height 1.5 (in) to 3.5 (in); RS8125 Axle Shim Kit may be Required on Rear Axle for Shock-to-Axle Clearance; RS5000X
1978FordF-250RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1977FordF-100Standard Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1977FordF-100Extended Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1977FordF-100Cab & ChassisRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1977FordF-150RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1977FordF-1504WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1977FordF-250RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1977FordF-2504WDRearFrom 03/1977; with Rear Raised Height 1.5 (in) to 3.5 (in); RS8125 Axle Shim Kit may be Required on Rear Axle for Shock-to-Axle Clearance; RS5000X
1976FordF-100Standard Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1976FordF-100Extended Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1976FordF-100Standard Cab Pickup4WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1976FordF-100Extended Cab Pickup4WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1976FordF-100Cab & Chassis4WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1976FordF-100Cab & ChassisRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1976FordF-150RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1976FordF-1504WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1976FordF-250RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1975FordF-100Standard Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1975FordF-100Extended Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1975FordF-100Standard Cab Pickup4WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1975FordF-100Extended Cab Pickup4WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1975FordF-100Cab & Chassis4WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1975FordF-100Cab & ChassisRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1975FordF-150RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1975FordF-250RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1974FordF-100Standard Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1974FordF-100Standard Cab Pickup4WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1974FordF-250RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1973FordF-100Standard Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1973FordF-100Standard Cab Pickup4WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1973FordF-250RWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1972FordF-100Standard Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1972FordF-100Standard Cab Pickup4WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1972FordF-250RearRWD Models; with Rear Raised Height 2.0 (in) to 4.0 (in); RS8125 Axle Shim Kit may be Required on Rear Axle for Shock-to-Axle Clearance; RS5000X
1971FordF-100Standard Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1971FordF-100Standard Cab Pickup4WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1971FordF-250RearRWD Models; with Rear Raised Height 2.0 (in) to 4.0 (in); RS8125 Axle Shim Kit may be Required on Rear Axle for Shock-to-Axle Clearance; RS5000X
1970FordF-100Standard Cab PickupRWDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1970FordF-100Standard Cab Pickup4WDRearRear Raised Height 2.0" to 4.0"; RS8125 Axle Shim Kit may be needed for Shock-to-Axle Clearance; RS5000X
1970FordF-250RearRWD Models; with Rear Raised Height 2.0 (in) to 4.0 (in); RS8125 Axle Shim Kit may be Required on Rear Axle for Shock-to-Axle Clearance; 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:

RS5009

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