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RanchoPart #: RS55378
Rancho RS55378 Shock Absorber - Front
60 vehicles fit this part
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RS5000X, Front
Fitment: Chevrolet and GMC, Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD
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Overview of Rancho RS5000X Suspension Shock Absorber
The Rancho RS5000X Suspension Shock Absorber (Part Number RS55378) is engineered for heavy-duty trucks like the Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD. Designed to provide reliable damping performance, this shock absorber supports improved ride control and vehicle stability under demanding conditions.
- Compatible with Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD
- Compressed length: 14.67 inches
- Extended length: 18.98 inches
- Travel length: 4.31 inches
- Lower mounting: Clevis bracket mount (Code: Clev)
- Upper mounting: Xp15 mount
- Does not include dust shield or bumper stops
- Parts pack included (P01299)
Details on RS5000X Product Line
The RS5000X line from Rancho is designed to deliver consistent suspension performance for heavy-duty applications. This product line focuses on providing durable shock absorbers that maintain vehicle control and comfort during towing, hauling, and off-road use. The RS55378 shock absorber is part of this line, offering specifications tailored to fit large trucks such as the Chevrolet Silverado and GMC Sierra HD models.
Technical Description and Features
The RS55378 shock absorber features a compressed length of 14.67 inches and an extended length of 18.98 inches, allowing for a travel length of 4.31 inches. It uses a clevis bracket mount on the lower end and an Xp15 mount on the upper end, ensuring secure and proper fitment on compatible vehicles. This shock absorber does not include a dust shield or bumper stops, which is typical for this model to reduce complexity and maintenance. The included parts pack (P01299) contains necessary hardware for installation.
Applications and Problem Solving
- Improves ride stability and control on Chevrolet Silverado 2500 HD and 3500 HD trucks
- Reduces suspension bounce and harshness during heavy towing or hauling
- Addresses worn or damaged factory shocks causing poor handling
- Enhances suspension response for GMC Sierra 2500 HD and 3500 HD models
- Supports off-road and heavy-duty driving conditions requiring durable shock absorbers
Installation Notes and Tips
- Verify compatibility with vehicle make and model before installation
- Use the included parts pack (P01299) for mounting hardware
- Ensure proper alignment of clevis bracket and Xp15 mounts during installation
- Inspect suspension components for wear and replace as necessary
- Professional installation is recommended for optimal performance and safety
Quality Assurance and Warranty
Rancho RS5000X shock absorbers are manufactured to meet industry standards for durability and performance. While specific warranty details for part number RS55378 should be confirmed with the manufacturer or distributor, Rancho typically offers limited warranties covering defects in materials and workmanship. This shock absorber is designed to provide consistent service life when installed and maintained according to guidelines.
| Brand | Rancho |
|---|---|
| Part Number | RS55378 |
| Position | RS5000X, Front |
| Compressed Bumper Stop | No |
| Compressed Length | 14.67 |
| Dust Shield Included | No |
| Extended Bumper Stop | No |
| Extended Hydraulic Lockout | No |
| Extended Length | 18.98 |
| Lower Mounting Code | CLEV |
| Lower Mounting Description | Clevis Bracket Mount |
| Parts Pack | P01299 |
| Travel Length | 4.31 |
| Upper Mounting Code | XP15 |
| Upper Mounting Description | XP15 |
This part fits 60 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2025 | Chevrolet | Silverado 2500 HD | Custom | Front | RS5000X |
| 2025 | Chevrolet | Silverado 3500 HD | Front | RS5000X | |
| 2025 | GMC | Sierra 2500 HD | SLT | Front | RS5000X |
| 2025 | GMC | Sierra 3500 HD | Front | RS5000X | |
| 2024 | Chevrolet | Silverado 2500 HD | Custom | Front | RS5000X |
| 2024 | Chevrolet | Silverado 3500 HD | Front | RS5000X | |
| 2024 | GMC | Sierra 2500 HD | SLT | Front | RS5000X |
| 2024 | GMC | Sierra 3500 HD | Front | RS5000X | |
| 2023 | Chevrolet | Silverado 2500 HD | Front | RS5000X | |
| 2023 | Chevrolet | Silverado 3500 HD | Front | RS5000X | |
| 2023 | GMC | Sierra 2500 HD | Front | RS5000X | |
| 2023 | GMC | Sierra 3500 HD | Front | RS5000X | |
| 2022 | Chevrolet | Silverado 2500 HD | Front | RS5000X | |
| 2022 | Chevrolet | Silverado 3500 HD | Front | RS5000X | |
| 2022 | GMC | Sierra 2500 HD | Front | RS5000X | |
| 2022 | GMC | Sierra 3500 HD | Front | RS5000X | |
| 2021 | Chevrolet | Silverado 2500 HD | Front | RS5000X | |
| 2021 | Chevrolet | Silverado 3500 HD | Front | RS5000X | |
| 2021 | GMC | Sierra 2500 HD | Front | RS5000X | |
| 2021 | GMC | Sierra 3500 HD | Front | RS5000X | |
| 2020 | Chevrolet | Silverado 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2020 | Chevrolet | Silverado 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2020 | GMC | Sierra 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2020 | GMC | Sierra 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2019 | Chevrolet | Silverado 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2019 | Chevrolet | Silverado 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2019 | GMC | Sierra 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2019 | GMC | Sierra 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2018 | Chevrolet | Silverado 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2018 | Chevrolet | Silverado 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2018 | GMC | Sierra 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2018 | GMC | Sierra 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2017 | Chevrolet | Silverado 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2017 | Chevrolet | Silverado 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2017 | GMC | Sierra 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2017 | GMC | Sierra 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2016 | Chevrolet | Silverado 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2016 | Chevrolet | Silverado 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2016 | GMC | Sierra 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2016 | GMC | Sierra 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2015 | Chevrolet | Silverado 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2015 | Chevrolet | Silverado 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2015 | GMC | Sierra 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2015 | GMC | Sierra 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2014 | Chevrolet | Silverado 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2014 | Chevrolet | Silverado 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2014 | GMC | Sierra 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2014 | GMC | Sierra 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2013 | Chevrolet | Silverado 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2013 | Chevrolet | Silverado 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2013 | GMC | Sierra 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2013 | GMC | Sierra 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2012 | Chevrolet | Silverado 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2012 | Chevrolet | Silverado 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2012 | GMC | Sierra 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2012 | GMC | Sierra 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2011 | Chevrolet | Silverado 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2011 | Chevrolet | Silverado 3500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2011 | GMC | Sierra 2500 HD | Front | with Front Raised Height 1.0 (in) to 2.5 (in); Not for use with aftermarket shock spacers or relocation brackets.; RS5000X | |
| 2011 | GMC | Sierra 3500 HD | Front | 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:
RS5378
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.