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Rancho RS55865 Suspension Strut - Front
| Brand | Rancho RS55865 |
|---|---|
| Position | Front |
| Compressed Length | 15.87 |
| Extended Length | 20.86 |
| Body Length | 15.51 |
| Body Type | Ss2 |
| Compressed Bumper Stop | No |
| Dust Shield Included | No |
| Extended Bumper Stop | Yes |
| Extended Hydraulic Lockout | No |
| Lower Mounting Description | Cross pin |
| Parts Pack | P01726 |
| Reserve Tube Diameter | 2.13 |
| Travel Length | 4.99 |
| Upper Mounting Description | Stud |
| Product line | RS5000X |
| Fits | Ford · 13 vehicles |
RS5000X tuning. Exclusive valving and compression control for more consistent suspension response.
Direct-fit mounts. Cross-pin lower mount and stud upper mount for listed applications.
Cross-references ASH25850, ASH25851 and ASH25852 for the same application. See all 6.
Overview
The Rancho RS5000X suspension strut is built for drivers who want more controlled handling from a truck suspension setup. It uses Rancho’s exclusive valving and advanced compression tuning to improve on-road response and off-road performance.
Fits 2023-2025 Ford F-150, front. Fits 2021-2022 Ford F-150, front with Front Raised Height 0 (in) and without Continuous Controlled Damping Suspension.
Key Features
- RS5000X valving for more controlled suspension response.
- Advanced compression functionality for balanced handling.
- Cross-pin lower mount and stud upper mount.
- Travel length: 4.99 in with 20.86 in extended length.
- Body type SS2 with a 2.13 in reserve tube diameter.
Detailed Description
Rancho RS5000X part number RS55865 is a suspension strut engineered for Ford F-150 applications that need direct-fit front suspension service. The RS5000X line focuses on tuned damping behavior, and this strut combines that approach with a cross-pin lower mount and stud upper mount for a straightforward replacement in the listed applications. Part number RS55865 is also referenced by ASH25850, ASH25851, ASH25852, ML3Z18124A, ML3Z18124B, and ML3Z18124C for the same application.
This strut fits 2023-2025 Ford F-150, front, and 2021-2022 Ford F-150, front with Front Raised Height 0 (in) and without Continuous Controlled Damping Suspension. The RS5000X design is aimed at improving overall handling while maintaining suspension control in mixed driving conditions.
What It Helps Address
- Excessive bounce or unsettled ride response.
- Reduced control during cornering or lane changes.
- Worn front suspension damping performance.
- Inconsistent handling on pavement and rough surfaces.
Installation Notes
Verify the vehicle’s front suspension configuration before ordering, especially on 2021-2022 Ford F-150 models with raised height or Continuous Controlled Damping Suspension. Confirm mount style, compressed length, and extended length against the original strut before installation. RS55865 uses a stud upper mount and cross-pin lower mount.
Quality Assurance
Rancho RS5000X shocks and struts are built around a proprietary valving system and compression tuning developed for controlled performance in on- and off-road use. Part number RS55865 follows the RS5000X product line’s performance-focused design.
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Ford | F-150 | — | RWD | Front | RS5000X |
| 2024 | Ford | F-150 | — | RWD | Front | RS5000X |
| 2023 | Ford | F-150 | Platinum | RWD | Front | RS5000X |
| 2022 | Ford | F-150 | Platinum | RWD | Front | with Front Raised Height 0 (in); without Continuous Controlled Damping Suspension; RS5000X |
| 2022 | Ford | F-150 | XL | RWD | Front | with Front Raised Height 0 (in); without Continuous Controlled Damping Suspension; RS5000X |
| 2022 | Ford | F-150 | XLT | RWD | Front | with Front Raised Height 0 (in); without Continuous Controlled Damping Suspension; RS5000X |
| 2022 | Ford | F-150 | King Ranch | RWD | Front | with Front Raised Height 0 (in); without Continuous Controlled Damping Suspension; RS5000X |
| 2022 | Ford | F-150 | Lariat | RWD | Front | with Front Raised Height 0 (in); without Continuous Controlled Damping Suspension; RS5000X |
| 2021 | Ford | F-150 | Platinum | RWD | Front | with Front Raised Height 0 (in); without Continuous Controlled Damping Suspension; RS5000X |
| 2021 | Ford | F-150 | XL | RWD | Front | with Front Raised Height 0 (in); without Continuous Controlled Damping Suspension; RS5000X |
| 2021 | Ford | F-150 | XLT | RWD | Front | with Front Raised Height 0 (in); without Continuous Controlled Damping Suspension; RS5000X |
| 2021 | Ford | F-150 | King Ranch | RWD | Front | with Front Raised Height 0 (in); without Continuous Controlled Damping Suspension; RS5000X |
| 2021 | Ford | F-150 | Lariat | RWD | Front | with Front Raised Height 0 (in); without Continuous Controlled Damping Suspension; RS5000X |
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