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Rancho RS55157 Shock Absorber - Rear
Rancho RS55157 Shock Absorber Overview
The Rancho RS55157 suspension shock absorber is engineered for Land Rover vehicles including the Defender 90, Defender 110, Discovery, and Range Rover models. Designed to enhance ride quality and vehicle control, this shock absorber integrates specific features tailored to these off-road and on-road vehicles.
- Part Number: RS55157
- Brand Line: RS5000X
- Compressed Length: 13.67 inches
- Extended Length: 22.08 inches
- Travel Length: 8.41 inches
- Reserve Tube Diameter: 2.251 inches
- Dust Shield Included for protection
- Extended Bumper Stop included
- Lower Mount: Stem mount with 2.5/8" stem length and 1/2"-13 thread pitch
- Upper Mount: Loop bushing & sleeve mount with 3/4" sleeve ID and 1.3/4" sleeve OAL
- Parts Pack: P01167 included
RS5000X Product Line Details
The RS5000X line from Rancho focuses on delivering reliable suspension shock absorbers with precise fitment and durability for a range of Land Rover models. This product line emphasizes consistent performance with features such as extended bumper stops and dust shields to protect internal components, making it suitable for both on-road comfort and off-road capability.
Technical Description and Features
The RS55157 shock absorber offers a compressed length of 13.67 inches and an extended length of 22.08 inches, providing a travel length of 8.41 inches. Its 2.251-inch reserve tube diameter supports fluid capacity for consistent damping performance. The inclusion of a dust shield helps prevent contamination, extending the shock's service life. The extended bumper stop is designed to absorb impacts and protect the shock during heavy compression. Mounting hardware includes a stem mount on the lower end with a 2.5/8" stem length and 1/2"-13 thread pitch, and a loop bushing with sleeve mount on the upper end, ensuring secure and precise installation on compatible Land Rover models.
Applications and Problem Solving
- Improves ride stability and handling on Land Rover Defender 90, Defender 110, Discovery, and Range Rover vehicles
- Reduces excessive suspension bounce and harshness
- Minimizes wear on suspension components by providing controlled damping
- Protects against dust and debris intrusion with included dust shield
- Prevents damage from suspension bottoming out with extended bumper stop
Installation Notes and Tips
Installation requires proper alignment of the stem mount and loop bushing mounts to ensure secure fitment. Verify the 2.5/8" stem length and thread pitch match your vehicle’s specifications. Use the included parts pack P01167 for a complete installation. It is recommended to inspect mounting points for wear or damage before installation and to torque fasteners to manufacturer specifications.
Quality Assurance and Warranty
Rancho RS5000X shock absorbers are manufactured to meet OEM standards for durability and performance. The RS55157 part undergoes quality control inspections to ensure consistent operation. Warranty details should be confirmed with the manufacturer or authorized distributor, as coverage may vary by region and application.
| Brand | Rancho |
|---|---|
| Part Number | RS55157 |
| Position | RS5000X, Rear |
| LS54 | |
| S5 | |
| Compressed Bumper Stop | No |
| Compressed Length | 13.67 |
| Dust Shield Included | Yes |
| Extended Bumper Stop | Yes |
| Extended Hydraulic Lockout | No |
| Extended Length | 22.08 |
| Lower Mounting Description | Stem Mount - 2.5/8" Stem Length X 1/2"-13 Thread Pitch |
| Parts Pack | P01167 |
| Reserve Tube Diameter | 2.251 |
| Travel Length | 8.41 |
| Upper Mounting Description | Loop Bushing & Sleeve Mount - 3/4" Sleeve ID X 1.3/4" Sleeve OAL |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Wheel Base | Position | Notes |
|---|---|---|---|---|---|
| 1997 | Land Rover | Defender 90 | Rear | with Rear Raised Height 0 (in) to 1.0 (in); RS5000X | |
| 1995 | Land Rover | Defender 90 | Rear | with Rear Raised Height 0 (in) to 1.0 (in); RS5000X | |
| 1995 | Land Rover | Discovery | Rear | with Rear Raised Height 0 (in) to 1.0 (in); RS5000X | |
| 1995 | Land Rover | Range Rover | 100.0" | Rear | without Air Suspension; with Front Raised Height 0 (in) to 1.0 (in); RS5000X |
| 1994 | Land Rover | Defender 90 | Rear | with Rear Raised Height 0 (in) to 1.0 (in); RS5000X | |
| 1994 | Land Rover | Discovery | Rear | with Rear Raised Height 0 (in) to 1.0 (in); RS5000X | |
| 1994 | Land Rover | Range Rover | 100.0" | Rear | without Air Suspension; with Front Raised Height 0 (in) to 1.0 (in); RS5000X |
| 1993 | Land Rover | Defender 110 | Rear | with Rear Raised Height 0 (in) to 1.0 (in); RS5000X | |
| 1993 | Land Rover | Range Rover | 100.0" | Rear | without Air Suspension; with Front Raised Height 0 (in) to 1.0 (in); RS5000X |
| 1992 | Land Rover | Range Rover | 100.0" | Rear | without Air Suspension; with Front Raised Height 0 (in) to 1.0 (in); RS5000X |
| 1991 | Land Rover | Range Rover | 100.0" | Rear | without Air Suspension; with Front Raised Height 0 (in) to 1.0 (in); RS5000X |
| 1990 | Land Rover | Range Rover | 100.0" | Rear | without Air Suspension; with Front Raised Height 0 (in) to 1.0 (in); RS5000X |
| 1989 | Land Rover | Range Rover | 100.0" | Rear | without Air Suspension; with Front Raised Height 0 (in) to 1.0 (in); RS5000X |
| 1988 | Land Rover | Range Rover | 100.0" | Rear | without Air Suspension; with Front Raised Height 0 (in) to 1.0 (in); RS5000X |
| 1987 | Land Rover | Range Rover | 100.0" | Rear | without Air Suspension; with Front Raised Height 0 (in) to 1.0 (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.