OE Quality
60-Day Returns

Rancho RS55372 Shock Absorber - Front
Overview of Rancho RS5000X Suspension Shock Absorber
The Rancho RS5000X RS55372 suspension shock absorber is engineered for Ford trucks including the Expedition, F-150, F-150 Heritage, and F-250 models. Designed to provide reliable damping performance, this shock absorber supports improved ride control and handling for these specific vehicles.
- Compatible with Ford Expedition, F-150, F-150 Heritage, and F-250
- Extended length of 15.41 inches and compressed length of 10.25 inches
- Includes dust shield for enhanced durability
- Features extended bumper stop for controlled suspension travel
- Lower mounting with loop bushing and sleeve mount (1/2" sleeve ID x 1.5" sleeve OAL)
- Upper mounting with stem mount (2.375" stem length x 3/8"-16 thread pitch)
- Reserve tube diameter of 2.251 inches for consistent performance
- Travel length of 5.16 inches to accommodate suspension movement
Detailed Product Description
The Rancho RS5000X RS55372 shock absorber is a suspension component designed specifically for select Ford trucks, including the Expedition, F-150, F-150 Heritage, and F-250. It features a compressed length of 10.25 inches and an extended length of 15.41 inches, providing a travel length of 5.16 inches to effectively manage suspension articulation. The shock includes a dust shield to protect internal components from debris and an extended bumper stop to help control suspension compression. The lower mounting uses 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, ensuring secure attachment to the vehicle.
About the RS5000X Product Line
The RS5000X line from Rancho is designed to offer dependable shock absorber solutions for trucks requiring durable suspension components. This product line focuses on providing consistent damping performance with features such as dust shields and extended bumper stops to enhance shock longevity and ride quality. The RS55372 shock absorber is part of this line, tailored to meet the specific suspension needs of Ford trucks like the Expedition and F-Series models.
Common Applications and Problem Solving
- Reduces excessive bouncing and improves ride stability on Ford Expedition and F-150 trucks
- Addresses suspension wear issues caused by rough terrain or heavy loads
- Helps restore proper suspension travel and control for F-150 Heritage and F-250 models
- Minimizes dust and debris intrusion with included dust shield
- Prevents suspension bottoming out with extended bumper stop feature
Installation Notes and Tips
- Verify compatibility with your specific Ford model and year before installation
- Ensure proper alignment of upper stem mount and lower loop bushing during installation
- Use the included parts pack (P01135) for mounting hardware and components
- Inspect suspension components for wear or damage prior to installing the new shock absorber
- Torque mounting hardware to manufacturer specifications to ensure secure fitment
Quality Assurance and Warranty
Rancho RS5000X shock absorbers are manufactured to meet OEM standards for durability and performance. The RS55372 part number undergoes quality control testing to ensure consistent operation under typical driving conditions. Warranty details should be confirmed with the manufacturer or authorized distributor to understand coverage specifics.
| Brand | Rancho |
|---|---|
| Part Number | RS55372 |
| Position | RS5000X, Front |
| LS38 | |
| S4 | |
| Compressed Bumper Stop | No |
| Compressed Length | 10.25 |
| Dust Shield Included | Yes |
| Extended Bumper Stop | Yes |
| Extended Hydraulic Lockout | No |
| Extended Length | 15.41 |
| Lower Mounting Description | Loop Bushing & Sleeve Mount - 1/2" Sleeve ID X 1.1/2" Sleeve OAL |
| Parts Pack | P01135 |
| Reserve Tube Diameter | 2.251 |
| Travel Length | 5.16 |
| Upper Mounting Description | Stem Mount - 2.3/8" Stem Length X 3/8"-16 Thread Pitch |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2004 | Ford | F-150 Heritage | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 2003 | Ford | F-150 | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 2002 | Ford | Expedition | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 2002 | Ford | F-150 | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 2001 | Ford | Expedition | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 2001 | Ford | F-150 | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 2000 | Ford | Expedition | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 2000 | Ford | F-150 | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 1999 | Ford | Expedition | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 1999 | Ford | F-150 | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 1999 | Ford | F-250 | 4WD | Front | with 8,500 (lb) Gross Vehicle Weight (GVW) & Under; with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 1998 | Ford | Expedition | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 1998 | Ford | F-150 | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 1998 | Ford | F-250 | 4WD | Front | with 8,500 (lb) Gross Vehicle Weight (GVW) & Under; with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 1997 | Ford | Expedition | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 1997 | Ford | F-150 | 4WD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 1997 | Ford | F-250 | 4WD | Front | with 8,500 (lb) Gross Vehicle Weight (GVW) & Under; with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; 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.