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Rancho RS999937 Suspension Strut and Coil Spring Assembly - Front Left
Rancho Suspension Strut and Coil Spring Assembly Overview
The Rancho RS999937 suspension strut and coil spring assembly is engineered for reliable performance on Nissan and INFINITI trucks and SUVs. Designed specifically for models like the Nissan Armada, TITAN, and INFINITI QX56, this assembly ensures proper fitment and suspension function.
- Compressed length: 11.29 inches
- Travel length: 3.71 inches
- Body length: 10.78 inches
- Extended length: 15 inches
- Body type: SS3
- Includes dust shield for protection
- Extended bumper stop included
- Lower and upper mounting: Loop bushing mount with 5/8" bushing ID and 1.5/16" bushing OAL
- Reserve tube diameter: 2 inches
- Parts pack included (P01101)
Detailed Product Description
The Rancho RS999937 suspension strut and coil spring assembly is designed to restore the suspension system of compatible Nissan and INFINITI vehicles to factory specifications. Featuring a compressed length of 11.29 inches and a travel length of 3.71 inches, this assembly provides the necessary stroke for smooth suspension movement. The SS3 body type and 2-inch reserve tube diameter contribute to durability and consistent damping performance. The inclusion of a dust shield helps protect internal components from debris, while the extended bumper stop safeguards against over-compression during heavy loads or rough terrain. Both the upper and lower mounts utilize loop bushing mounts with precise bushing dimensions to ensure secure and vibration-resistant installation.
Compatible Vehicles and Applications
This suspension strut and coil spring assembly is compatible with the following vehicles:
- Nissan Armada
- Nissan TITAN
- INFINITI QX56
It is designed to replace worn or damaged suspension components, restoring ride quality and handling characteristics for these specific models.
Common Suspension Issues Addressed
- Reduced ride comfort due to worn struts or springs
- Excessive body roll or instability during cornering
- Uneven tire wear caused by suspension misalignment
- Noise or vibration from damaged bushings or mounts
- Loss of suspension travel leading to bottoming out
Installation Notes and Tips
Installation of the Rancho RS999937 suspension strut and coil spring assembly requires proper tools and mechanical knowledge. Ensure the vehicle is securely lifted and supported before beginning. Verify that the loop bushing mounts align correctly with the vehicle’s mounting points. It is recommended to replace suspension components in pairs to maintain balanced handling. After installation, a professional wheel alignment is advised to optimize suspension geometry and tire wear.
Quality Assurance and Warranty
Rancho suspension components are manufactured to meet or exceed OEM standards. The RS999937 assembly includes a parts pack (P01101) for installation completeness. While specific warranty details are not provided here, Rancho typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Rancho |
|---|---|
| Part Number | RS999937 |
| Body Length | 10.78 |
| Body Type | SS3 |
| Compressed Bumper Stop | No |
| Compressed Length | 11.29 |
| Dust Shield Included | Yes |
| Extended Bumper Stop | Yes |
| Extended Hydraulic Lockout | No |
| Extended Length | 15 |
| Lower Mounting Description | Loop Bushing Mount - 5/8" Bushing ID X 1.5/16" Bushing OAL |
| Parts Pack | P01101 |
| Reserve Tube Diameter | 2 |
| Travel Length | 3.71 |
| Upper Mounting Description | Loop Bushing Mount - 5/8" Bushing ID X 1.5/16" Bushing OAL |
This part fits 61 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2024 | Nissan | TITAN | SV | Front Left | |
| 2023 | Nissan | TITAN | S | Front Left | |
| 2022 | Nissan | TITAN | S | Front Left | |
| 2021 | Nissan | TITAN | S | Front Left | |
| 2020 | Nissan | TITAN | S | Front Left | |
| 2019 | Nissan | TITAN | S | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2019 | Nissan | TITAN | SV | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2019 | Nissan | TITAN | SL | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2018 | Nissan | TITAN | S | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2018 | Nissan | TITAN | SV | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2018 | Nissan | TITAN | SL | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2017 | Nissan | TITAN | S | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2017 | Nissan | TITAN | SV | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2017 | Nissan | TITAN | SL | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2015 | Nissan | Armada | Front Left | without Automatic Rear Air Leveling System; Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2015 | Nissan | TITAN | S | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2015 | Nissan | TITAN | SV | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2015 | Nissan | TITAN | SL | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2014 | Nissan | Armada | Front Left | without Automatic Rear Air Leveling System; Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2014 | Nissan | TITAN | S | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2014 | Nissan | TITAN | SV | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2014 | Nissan | TITAN | SL | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2013 | Nissan | Armada | Front Left | without Automatic Rear Air Leveling System; Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2013 | Nissan | TITAN | S | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2013 | Nissan | TITAN | SV | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2013 | Nissan | TITAN | SL | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2012 | Nissan | Armada | Front Left | without Automatic Rear Air Leveling System; Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2012 | Nissan | TITAN | S | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2012 | Nissan | TITAN | SV | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2012 | Nissan | TITAN | SL | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2011 | INFINITI | QX56 | Front Left | Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2011 | Nissan | Armada | Front Left | without Automatic Rear Air Leveling System; Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2011 | Nissan | TITAN | S | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2011 | Nissan | TITAN | SV | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2011 | Nissan | TITAN | SL | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2010 | INFINITI | QX56 | Front Left | Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2010 | Nissan | Armada | Front Left | without Automatic Rear Air Leveling System; Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2010 | Nissan | TITAN | XE | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2010 | Nissan | TITAN | SE | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2010 | Nissan | TITAN | LE | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2009 | INFINITI | QX56 | Front Left | Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2009 | Nissan | Armada | Front Left | without Automatic Rear Air Leveling System; Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2009 | Nissan | TITAN | XE | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2009 | Nissan | TITAN | SE | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2009 | Nissan | TITAN | LE | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2008 | INFINITI | QX56 | Front Left | Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2008 | Nissan | Armada | Front Left | without Automatic Rear Air Leveling System; Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2008 | Nissan | TITAN | XE | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2008 | Nissan | TITAN | SE | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2008 | Nissan | TITAN | LE | Front Left | without Off Road Package; Raises Front 1.75 (in) |
| 2007 | INFINITI | QX56 | Front Left | Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2007 | Nissan | Armada | Front Left | without Automatic Rear Air Leveling System; Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2007 | Nissan | TITAN | Front Left | without Off Road Package; Raises Front 1.75 (in) | |
| 2006 | INFINITI | QX56 | Front Left | Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2006 | Nissan | Armada | Front Left | without Automatic Rear Air Leveling System; Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2006 | Nissan | TITAN | Front Left | without Off Road Package; Raises Front 1.75 (in) | |
| 2005 | INFINITI | QX56 | Front Left | Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2005 | Nissan | Armada | Front Left | without Automatic Rear Air Leveling System; Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2005 | Nissan | TITAN | Front Left | without Off Road Package; Raises Front 1.75 (in) | |
| 2004 | INFINITI | QX56 | Front Left | Raises Front 1.75 (in); Rear Kit Required to Level the Rear to the Front Height. | |
| 2004 | Nissan | TITAN | Front Left | without Off Road Package; 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.