OE Quality
60-Day Returns

Rancho RS55373 Shock Absorber - Front
Overview of Rancho RS5000X Suspension Shock Absorber
The Rancho RS5000X Suspension Shock Absorber (Part Number RS55373) is engineered for Dodge Ram 1500 trucks requiring reliable suspension performance. Designed to enhance ride quality and vehicle control, this shock absorber integrates key features tailored for demanding driving conditions.
- Compatible with Dodge Ram 1500 models
- Compressed length: 11.35 inches
- Extended length: 17.42 inches
- Travel length: 6.07 inches
- Includes dust shield for added protection
- Extended bumper stop included
- Lower mounting with loop bushing and 14mm sleeve
- Upper stem mount with 2.5/8 inch stem length and 1/2-13 thread pitch
- Reserve tube diameter of 2.252 inches
- Parts pack included (P01167)
RS5000X Product Line Details
The RS5000X line from Rancho focuses on delivering consistent suspension damping with durable construction. This product line is designed to provide improved handling and comfort for trucks like the Dodge Ram 1500 by incorporating features such as extended bumper stops and dust shields to protect internal components. The RS5000X shocks balance performance and longevity for everyday and off-road use.
Detailed Product Description
The Rancho RS55373 shock absorber features a compressed length of 11.35 inches and an extended length of 17.42 inches, offering a travel length of 6.07 inches to accommodate suspension movement. The inclusion of a dust shield helps prevent contamination and wear, while the extended bumper stop protects the shock during full compression. The lower mounting uses a loop bushing and sleeve mount with a 14mm inner diameter sleeve, ensuring secure attachment and reduced noise. The upper mount is a stem mount with a 2.5/8 inch stem length and a 1/2-13 thread pitch, compatible with Dodge Ram 1500 suspension setups. The reserve tube diameter of 2.252 inches supports consistent hydraulic performance under load.
Common Applications and Problem Solving
- Reduces excessive bouncing and improves ride stability on Dodge Ram 1500 trucks
- Minimizes suspension noise caused by worn or damaged shocks
- Prevents bottoming out with extended bumper stops during heavy load or off-road use
- Protects shock internals from dust and debris with included dust shield
- Restores proper suspension travel and handling characteristics
Installation Notes and Tips
- Verify compatibility with your Dodge Ram 1500 model year before installation
- Use the included parts pack (P01167) for mounting hardware replacement
- Ensure proper torque specifications on upper and lower mounts to avoid premature wear
- Inspect suspension components for wear or damage during installation
- Test drive after installation to confirm improved suspension performance
Quality Assurance and Warranty
Rancho RS5000X shocks, including part number RS55373, are manufactured to meet OEM standards for durability and performance. The product includes a dust shield and extended bumper stop to enhance service life. Warranty details should be confirmed with the product documentation or manufacturer, as coverage may vary by region and application.
| Brand | Rancho |
|---|---|
| Part Number | RS55373 |
| Position | RS5000X, Front |
| S5 | |
| Compressed Bumper Stop | No |
| Compressed Length | 11.35 |
| Dust Shield Included | Yes |
| Extended Bumper Stop | Yes |
| Extended Hydraulic Lockout | No |
| Extended Length | 17.42 |
| Lower Mounting Code | LS92 |
| Lower Mounting Description | Loop Bushing & Sleeve Mount - 14MM Sleeve ID X 1.11/16" Sleeve OAL |
| Parts Pack | P01167 |
| Reserve Tube Diameter | 2.252 |
| Travel Length | 6.07 |
| Upper Mounting Description | Stem Mount - 2.5/8" Stem Length X 1/2"-13 Thread Pitch |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2005 | Dodge | Ram 1500 | 4WD | Front | with Front Raised Height 1.0 (in) to 2.0 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 2004 | Dodge | Ram 1500 | 4WD | Front | with Front Raised Height 1.0 (in) to 2.0 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 2003 | Dodge | Ram 1500 | 4WD | Front | with Front Raised Height 1.0 (in) to 2.0 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X |
| 2002 | Dodge | Ram 1500 | 4WD | Front | with Front Raised Height 1.0 (in) to 2.0 (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.