OE Quality
60-Day Returns

Rancho RS999936 Suspension Strut and Coil Spring Assembly - Front Left
Rancho Suspension Strut and Coil Spring Assembly Overview
The Rancho RS999936 suspension strut and coil spring assembly is designed specifically for Ford F-150 models, providing reliable suspension performance. This assembly combines a durable SS3 body type shock with a coil spring to maintain ride quality and vehicle control.
- Compressed length: 16.41 inches
- Travel length: 4.46 inches
- Body length: 15.91 inches
- Extended length: 20.87 inches
- Dust shield included for added protection
- Loop bushing mounts with 5/8" bushing ID and 1.5/16" bushing OAL on both upper and lower mounts
- Reserve tube diameter: 2.13 inches
- Parts pack included (P01141)
Detailed Product Description
The Rancho RS999936 suspension strut and coil spring assembly is engineered to meet the specific suspension requirements of Ford F-150 trucks. Featuring an SS3 body type shock, this assembly offers a compressed length of 16.41 inches and a travel length of 4.46 inches, ensuring optimal suspension articulation and damping. The inclusion of a dust shield helps protect internal components from debris and extends the service life of the strut. Both upper and lower mounts utilize loop bushing designs with precise bushing dimensions (5/8" ID x 1.5/16" OAL) to provide secure and stable attachment points, reducing noise and vibration. The assembly also includes a parts pack (P01141) for installation convenience.
Common Applications and Problem Solving
- Restores proper suspension height and ride quality on Ford F-150 trucks
- Replaces worn or damaged strut and coil spring assemblies causing poor handling
- Addresses suspension noise related to deteriorated bushings or mounts
- Improves vehicle stability and control during cornering and braking
- Prevents premature wear of other suspension components by maintaining correct geometry
Installation Notes and Tips
Installation of the Rancho RS999936 suspension strut and coil spring assembly requires basic suspension knowledge and appropriate tools. Ensure the vehicle is securely lifted and supported before removal of the old assembly. Verify that the loop bushing mounts align correctly with the vehicle’s mounting points. It is recommended to inspect related suspension components such as control arms and sway bar links during installation. Proper torque specifications should be followed to maintain safety and performance.
Quality Assurance and Warranty
Rancho suspension components are manufactured to meet OEM standards for durability and performance. The RS999936 assembly includes a dust shield to protect internal parts and is constructed with high-quality materials. While specific warranty details are not provided here, Rancho typically offers limited warranties on their suspension products. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Rancho |
|---|---|
| Part Number | RS999936 |
| Body Length | 15.91 |
| Body Type | SS3 |
| Compressed Bumper Stop | No |
| Compressed Length | 16.41 |
| Dust Shield Included | Yes |
| Extended Bumper Stop | No |
| Extended Hydraulic Lockout | No |
| Extended Length | 20.87 |
| Lower Mounting Description | Loop Bushing Mount - 5/8" Bushing ID X 1.5/16" Bushing OAL |
| Parts Pack | P01141 |
| Reserve Tube Diameter | 2.13 |
| Travel Length | 4.46 |
| Upper Mounting Description | Loop Bushing Mount - 5/8" Bushing ID X 1.5/16" Bushing OAL |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2013 | Ford | F-150 | RWD | Front Left | Raises Front 1.75 (in) |
| 2012 | Ford | F-150 | RWD | Front Left | Raises Front 1.75 (in) |
| 2011 | Ford | F-150 | RWD | Front Left | Raises Front 1.75 (in) |
| 2010 | Ford | F-150 | RWD | Front Left | Raises Front 1.75 (in) |
| 2009 | Ford | F-150 | RWD | Front Left | Raises Front 1.75 (in) |
* 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.