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Rancho RS55383 Shock Absorber - Rear
Overview of Rancho RS5000X Suspension Shock Absorber
The Rancho RS5000X Suspension Shock Absorber (Part Number RS55383) is engineered for heavy-duty Chevrolet and GMC trucks. Designed specifically for Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD models, this shock absorber enhances suspension performance and durability.
- Compatible with Chevrolet Silverado 2500 HD, 3500 HD and GMC Sierra 2500 HD, 3500 HD
- Dust shield made of durable rubber material included
- Extended bumper stop for improved suspension travel control
- Loop bushing and sleeve mounts with 9/16" sleeve ID and 1.5/8" sleeve OAL on both upper and lower mounts
- Travel length of 11.91 inches with compressed length of 19.25 inches and extended length of 31.16 inches
- Reserve tube diameter of 2.252 inches for enhanced fluid capacity
Detailed Product Description
The Rancho RS5000X shock absorber RS55383 is designed to meet the demands of heavy-duty trucks like the Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD. It features a rubber dust shield to protect internal components from dirt and debris, extending the shock's service life. The extended bumper stop helps control suspension travel, reducing harsh bottoming out during heavy loads or rough terrain. Both upper and lower mounts use loop bushing and sleeve mounts with precise dimensions (9/16" sleeve ID x 1.5/8" sleeve OAL) to ensure a secure fit and smooth operation.
The RS5000X product line is known for its balance of performance and durability, designed to provide consistent damping and improved ride quality for trucks used in towing, hauling, and off-road conditions. This shock absorber's travel length of 11.91 inches and reserve tube diameter of 2.252 inches contribute to its ability to handle demanding driving environments.
Common Applications and Problem Solving
- Reduces excessive suspension bounce and improves vehicle stability under heavy loads
- Minimizes harsh bottoming out on rough or uneven terrain
- Protects suspension components from dust and debris with included rubber dust shield
- Enhances ride comfort and control for Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD trucks
- Replaces worn or damaged shocks to restore factory suspension performance
Installation Notes and Tips
- Ensure compatibility with Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD models before installation
- Inspect mounting points for wear or damage prior to installation
- Use proper tools to remove and install loop bushing and sleeve mounts securely
- Check suspension alignment after installation to maintain optimal handling
Quality Assurance and Warranty
Rancho RS5000X shocks are manufactured to meet strict quality standards for durability and performance. The RS55383 shock absorber includes a rubber dust shield to protect internal components and is built with precision mounting hardware for reliable fitment. Warranty details should be confirmed with the manufacturer or authorized distributor to ensure coverage specifics.
| Brand | Rancho |
|---|---|
| Part Number | RS55383 |
| Position | RS5000X, Rear |
| Compressed Bumper Stop | No |
| Compressed Length | 19.25 |
| Dust Shield Included | Yes |
| Dust Shield Material | Rubber |
| Extended Bumper Stop | Yes |
| Extended Hydraulic Lockout | No |
| Extended Length | 31.16 |
| Lower Mounting Code | LS47 |
| Lower Mounting Description | Loop Bushing & Sleeve Mount - 9/16" Sleeve ID X 1.5/8" Sleeve OAL |
| Parts Pack | None |
| Reserve Tube Diameter | 2.252 |
| Travel Length | 11.91 |
| Upper Mounting Code | LS47 |
| Upper Mounting Description | Loop Bushing & Sleeve Mount - 9/16" Sleeve ID X 1.5/8" Sleeve OAL |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Chevrolet | Silverado 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2018 | Chevrolet | Silverado 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2018 | GMC | Sierra 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2018 | GMC | Sierra 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2017 | Chevrolet | Silverado 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2017 | Chevrolet | Silverado 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2017 | GMC | Sierra 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2017 | GMC | Sierra 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2016 | Chevrolet | Silverado 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2016 | Chevrolet | Silverado 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2016 | GMC | Sierra 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2016 | GMC | Sierra 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2015 | Chevrolet | Silverado 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2015 | Chevrolet | Silverado 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2015 | GMC | Sierra 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2015 | GMC | Sierra 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2014 | Chevrolet | Silverado 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2014 | Chevrolet | Silverado 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2014 | GMC | Sierra 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2014 | GMC | Sierra 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2013 | Chevrolet | Silverado 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2013 | Chevrolet | Silverado 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2013 | GMC | Sierra 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2013 | GMC | Sierra 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2012 | Chevrolet | Silverado 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2012 | Chevrolet | Silverado 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2012 | GMC | Sierra 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2012 | GMC | Sierra 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2011 | Chevrolet | Silverado 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2011 | Chevrolet | Silverado 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2011 | GMC | Sierra 2500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (in); RS5000X |
| 2011 | GMC | Sierra 3500 HD | Rear | with Rear Raised Height 5.0 (in) to 6.0 (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.