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Rancho RS55261 Shock Absorber - Rear
Overview of Rancho RS5000X Suspension Shock Absorber
The Rancho RS5000X Suspension Shock Absorber (Part Number RS55261) is engineered for Ford F-250 Super Duty and F-350 Super Duty trucks. Designed to provide reliable damping performance, this shock absorber features a durable construction with specific mounting configurations to ensure proper fitment and function.
- Compatible with Ford F-250 Super Duty and F-350 Super Duty models
- Compressed length: 19.01 inches
- Extended length: 32.98 inches
- Travel length: 13.97 inches
- Includes dust shield for added protection
- Lower mounting: Loop bushing & sleeve mount (12mm sleeve ID x 1.5" sleeve OAL)
- Upper mounting: Loop bushing mount (5/8" bushing ID x 1.3125" bushing OAL)
- Reserve tube diameter: 2.188 inches
- No compressed or extended bumper stops or hydraulic lockouts
Details on Rancho RS5000X Shock Absorber Features
The RS5000X shock absorber line from Rancho is designed to deliver consistent performance for heavy-duty trucks like the Ford F-250 and F-350 Super Duty. This particular model, RS55261, offers a travel length of nearly 14 inches, allowing for effective suspension articulation and control. The inclusion of a dust shield helps protect internal components from debris and extends service life. Both upper and lower mounts utilize loop bushing designs with precise sleeve and bushing dimensions to ensure secure installation and reduce noise or wear.
Applications and Problem Solving
- Improves ride quality and handling on Ford F-250 Super Duty and F-350 Super Duty trucks
- Reduces suspension bounce and harshness over rough terrain
- Minimizes wear on suspension components by providing controlled damping
- Addresses issues related to shock absorber failure or leakage
- Restores proper suspension travel and vehicle stability
Installation Notes and Tips
When installing the Rancho RS55261 shock absorber, verify compatibility with your Ford F-250 or F-350 Super Duty model year and suspension setup. Ensure the loop bushing mounts align correctly with the specified sleeve and bushing dimensions. The dust shield is included and should be positioned properly to protect the shock shaft. No additional parts pack is included, so retain any original mounting hardware if reusing. Proper torque specifications should be followed to avoid mounting damage.
Quality Assurance and Warranty
Rancho's RS5000X shock absorbers are manufactured to meet OEM standards for durability and performance. The RS55261 part undergoes quality control inspections to ensure consistent damping characteristics and fitment accuracy. While specific warranty details are not provided here, Rancho typically offers limited warranties on their suspension components. Consult Rancho or your parts provider for exact warranty terms related to this shock absorber.
| Brand | Rancho |
|---|---|
| Part Number | RS55261 |
| Position | RS5000X, Rear |
| L1 | |
| Compressed Bumper Stop | No |
| Compressed Length | 19.01 |
| Dust Shield Included | Yes |
| Extended Bumper Stop | No |
| Extended Hydraulic Lockout | No |
| Extended Length | 32.98 |
| Lower Mounting Code | LS26 |
| Lower Mounting Description | Loop Bushing & Sleeve Mount - 12MM Sleeve ID X 1.1/2" Sleeve OAL |
| Parts Pack | None |
| Reserve Tube Diameter | 2.188 |
| Travel Length | 13.97 |
| Upper Mounting Description | Loop Bushing Mount - 5/8" Bushing ID X 1.5/16" Bushing OAL |
This part fits 54 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Ford | F-250 Super Duty | 4WD | Rear | with Rear Raised Height 5.5 (in); Use with Rancho RS66552B System(s); RS5000X | |
| 2016 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2016 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2016 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2015 | Ford | F-250 Super Duty | 4WD | Rear | with Rear Raised Height 5.5 (in); Use with Rancho RS66552B System(s); RS5000X | |
| 2015 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2015 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2015 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2014 | Ford | F-250 Super Duty | 4WD | Rear | with Rear Raised Height 5.5 (in); Use with Rancho RS66552B System(s); RS5000X | |
| 2014 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2014 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2014 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2013 | Ford | F-250 Super Duty | 4WD | Rear | with Rear Raised Height 5.5 (in); Use with Rancho RS66552B System(s); RS5000X | |
| 2013 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2013 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2013 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2012 | Ford | F-250 Super Duty | 4WD | Rear | with Rear Raised Height 5.5 (in); Use with Rancho RS66552B System(s); RS5000X | |
| 2012 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2012 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2012 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2011 | Ford | F-250 Super Duty | 4WD | Rear | with Rear Raised Height 5.5 (in); Use with Rancho RS66552B System(s); RS5000X | |
| 2011 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2011 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2011 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Single Rear Wheels (SRW); with Rear Raised Height 2.0 (in); Use with Rancho RS66552B System(s); RS5000X |
| 2010 | Ford | F-250 Super Duty | 4WD | Rear | with Rancho Suspension System; with Rear Raised Height 4.0 (in); RS5000X | |
| 2009 | Ford | F-250 Super Duty | 4WD | Rear | with Rancho Suspension System; with Rear Raised Height 4.0 (in); RS5000X | |
| 2008 | Ford | F-250 Super Duty | 4WD | Rear | with Rancho Suspension System; with Rear Raised Height 4.0 (in); RS5000X | |
| 2007 | Ford | F-250 Super Duty | 4WD | Rear | with Rancho Suspension System; with Rear Raised Height 4.0 (in); RS5000X | |
| 2006 | Ford | F-250 Super Duty | 4WD | Rear | with Rancho Suspension System; with Rear Raised Height 4.0 (in); RS5000X | |
| 2005 | Ford | F-250 Super Duty | 4WD | Rear | with Rancho Suspension System; with Rear Raised Height 4.0 (in); RS5000X | |
| 2004 | Ford | F-250 Super Duty | 4WD | Rear | Fitment: Rear Shock Absorber with 4.0 inch Raised Height; RS5000X | |
| 2004 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2004 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2004 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2003 | Ford | F-250 Super Duty | 4WD | Rear | Fitment: Rear Shock Absorber with 4.0 inch Raised Height; RS5000X | |
| 2003 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2003 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2003 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2002 | Ford | F-250 Super Duty | 4WD | Rear | Fitment: Rear Shock Absorber with 4.0 inch Raised Height; RS5000X | |
| 2002 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2002 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2002 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2001 | Ford | F-250 Super Duty | 4WD | Rear | Fitment: Rear Shock Absorber with 4.0 inch Raised Height; RS5000X | |
| 2001 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2001 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2001 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2000 | Ford | F-250 Super Duty | 4WD | Rear | Fitment: Rear Shock Absorber with 4.0 inch Raised Height; RS5000X | |
| 2000 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2000 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 2000 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 1999 | Ford | F-250 Super Duty | 4WD | Rear | Fitment: Rear Shock Absorber with 4.0 inch Raised Height; RS5000X | |
| 1999 | Ford | F-350 Super Duty | Standard Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 1999 | Ford | F-350 Super Duty | Extended Cab Pickup | 4WD | Rear | with Rear Raised Height 2.5 (in); RS5000X |
| 1999 | Ford | F-350 Super Duty | Crew Cab Pickup | 4WD | Rear | with Rear 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.