Rancho RS9000XL Rear Shock Absorber | Fits 2017-2019 Ford F150 4WD

The Rancho RS9000XL Shock Absorber (RS999287) is engineered to deliver exceptional ride control and on-demand performance for lifted Ford F-150 and Lincoln Mark LT applications. Featuring Rancho’s legendary 9-position adjustable damping technology, this rear shock allows drivers to fine-tune ride quality for daily driving, towing, hauling, or off-road use. Its tri-tube construction, nitrogen gas charging, and progressive valving work together to improve stability, reduce body roll, and maintain consistent control across varying terrain. Finished in a durable silver painted coating and equipped with a protective red dust boot, the RS999287 is built for long-term durability while offering the flexibility to adapt to changing driving conditions.

Features

• 9-position manual damping adjustment for customizable ride control

• RS9000XL performance series designed for lifted applications

• Nitrogen gas charged for consistent shock performance

• Tri-tube internal construction enhances durability and control

• Progressive valving improves stability on- and off-road

• Designed for rear suspension applications

• Ideal for towing, hauling, and off-road driving

• Heavy-duty steel shock body and cylinder

• Nitrocarburized shock shaft for added strength

• Protective dust boot and dust shield included

• Direct replacement for Rancho suspension systems

• Performance-tuned for lifted trucks

• Helps reduce body roll and brake dive

• Improves tire contact and vehicle handling

• Built for aggressive use without sacrificing comfort

Item Specs

• Brand: Rancho

• Part Number: RS999287

• Series: RS9000XL

• Placement on Vehicle: Rear

• Shock Type: Telescopic

• Internal Construction: Tri-Tube

• Gas Charged: Yes

• Damping Adjustment: Manual

• Adjustable Compression: Yes

• Adjustable Rebound: Yes

• Valving Type: Progressive

• Compressed Length: 18.62 in (472.7 mm)

• Extended Length: 30.47 in

• Travel Length: 11.86 in

• Shock Stroke: 11.86 in

• Body Diameter: 2.38 in

• Cylinder Outside Diameter: 2.38 in

• Shock Bore Size: 1.26 in

• Rod Diameter: 0.709 in

• Shaft Material: Nitrocarburized Steel

• Body Material: Steel

• Cylinder Material: Steel

• Finish: Painted

• Color: Silver

• Boot Included: Yes

• Dust Shield Included: Yes

• Dust Shield Material: Rubber

• Dust Shield Color: Red

• Mounting Hardware Included: No

• Lower Mount Type: Loop Bushing & Sleeve

• Upper Mount Type: Loop Bushing & Sleeve

• Lower Mount Code: LS38

• Upper Mount Code: LS38

• Adjustable Ride Height: No

• Remote Reservoir: No

• New or Remanufactured: New

Vehicle Fitment

• 2004–2008 – Ford – F-150 – 4WD – Rear – 4.0" Lift

• 2009 – Ford – F-150 – 4WD – Rear – 2.5" Lift

• 2010–2014 – Ford – F-150 – 4WD – Rear – 2.5" Lift

• 2015–2016 – Ford – F-150 – 4WD – Rear – 3.5–4.0" Lift

• 2017–2019 – Ford – F-150 – 4WD – Rear – 3.5–4.0" Lift

• 2021–2025 – Ford – F-150 Tremor – Rear – Stock Height

• 2006–2008 – Lincoln – Mark LT – 4WD – Rear – 4.0" Lift

Included in Package

• (1) Rancho RS9000XL Rear Shock Absorber

• Pre-installed protective dust boot