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Rancho RS999946 Suspension Strut and Coil Spring Assembly - Front Left
Rancho Suspension Strut and Coil Spring Assembly Overview
The Rancho RS999946 suspension strut and coil spring assembly is engineered for Ford F-150 trucks, providing reliable suspension performance. Designed to meet specific body and mounting requirements, this assembly supports smooth vehicle handling and ride comfort.
- Compressed length: 16.93 inches
- Travel length: 5.31 inches
- Body length: 16.43 inches
- Extended length: 22.24 inches
- Body type: Spec
- Extended bumper stop included
- Upper and lower loop bushing mounts with 5/8" bushing ID and 1.5/16" bushing OAL
- Parts pack included (P01141, P01726)
Technical Details of Rancho RS999946 Suspension Assembly
This Rancho suspension strut and coil spring assembly (part number RS999946) is designed specifically for Ford F-150 models, ensuring compatibility with the vehicle’s suspension geometry. The assembly features a compressed length of 16.93 inches and a travel length of 5.31 inches, allowing for effective shock absorption and coil spring compression during driving. The body length measures 16.43 inches, with an extended length of 22.24 inches, accommodating suspension travel and load variations.
The assembly uses a spec body type and includes an extended bumper stop to protect the suspension components during full compression. Both upper and lower mounts utilize loop bushing mounts with a 5/8 inch inner diameter and 1.5/16 inch overall length, providing secure attachment points and reducing vibration transfer. Note that this assembly does not include a dust shield or compressed bumper stop, and it lacks an extended hydraulic lockout feature.
Applications and Problem Solving
- Replacement for worn or damaged suspension strut and coil spring assemblies on Ford F-150 trucks
- Improves ride stability and handling by restoring proper suspension travel
- Addresses issues with suspension sag or uneven ride height
- Helps reduce noise and vibration caused by deteriorated bushings or mounts
- Supports safe vehicle operation by maintaining suspension geometry
Installation Notes and Tips
Installation of the Rancho RS999946 suspension strut and coil spring assembly requires proper tools and mechanical knowledge. Ensure the vehicle is securely lifted and supported before removing the old assembly. Pay close attention to the loop bushing mounts on both upper and lower ends, verifying correct alignment and secure fitment. The included parts pack (P01141, P01726) contains necessary components for installation. It is recommended to inspect related suspension components during installation and replace any worn parts to maintain optimal performance.
Quality Assurance and Warranty
Rancho suspension components are manufactured to meet industry standards for durability and performance. The RS999946 assembly undergoes quality checks to ensure fitment and function for Ford F-150 applications. Warranty coverage details should be confirmed with the manufacturer or authorized distributor, as terms may vary.
| Brand | Rancho |
|---|---|
| Part Number | RS999946 |
| Body Length | 16.43 |
| Body Type | SPEC |
| Compressed Bumper Stop | No |
| Compressed Length | 16.93 |
| Dust Shield Included | No |
| Extended Bumper Stop | Yes |
| Extended Hydraulic Lockout | No |
| Extended Length | 22.24 |
| Lower Mounting Description | Loop Bushing Mount - 5/8" Bushing ID X 1.5/16" Bushing OAL |
| Parts Pack | P01141,P01726 |
| Travel Length | 5.31 |
| Upper Mounting Description | Loop Bushing Mount - 5/8" Bushing ID X 1.5/16" Bushing OAL |
This part fits 55 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Ford | F-150 | Limited | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | Platinum | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | Platinum | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | XL | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | XL | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | XLT | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | XLT | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | King Ranch | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | King Ranch | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | Lariat | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | Lariat | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | SSV | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2020 | Ford | F-150 | SSV | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | Limited | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | Platinum | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | Platinum | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | XL | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | XL | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | XLT | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | XLT | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | King Ranch | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | King Ranch | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | Lariat | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | Lariat | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | SSV | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2019 | Ford | F-150 | SSV | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | Limited | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | Platinum | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | Platinum | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | XL | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | XL | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | XLT | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | XLT | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | King Ranch | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | King Ranch | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | Lariat | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | Lariat | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | SSV | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2018 | Ford | F-150 | SSV | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | Limited | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | Platinum | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | Platinum | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | XL | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | XL | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | XLT | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | XLT | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | King Ranch | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | King Ranch | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | Lariat | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | Lariat | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | SSV | 4WD | GAS | Front Left | Raises Front 2.75 (in) |
| 2017 | Ford | F-150 | SSV | 4WD | FLEX | Front Left | Raises Front 2.75 (in) |
| 2016 | Ford | F-150 | 4WD | Front Left | Raises Front 2.75 (in) | ||
| 2015 | Ford | F-150 | 4WD | Front Left | Raises Front 2.75 (in) | ||
| 2014 | Ford | F-150 | 4WD | Front Left | without 8,200 (lb) Gross Vehicle Weight (GVW); Raises Front 2.5 (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.