Rear Leaf Spring Suspension Heavy Duty Kit For 2009-2023 Ford F150 4WD 3611-YHD

Rear Leaf Spring Suspension Heavy Duty Kit for Ford

This rear leaf spring suspension heavy duty kit replaces OEM part number 3611-YHD for 2009-2023 Ford F-150 4WD models.

Overview

The rear leaf spring suspension heavy duty kit restores load-carrying capacity and ride quality on 2009-2023 Ford F-150 4WD pickups. High-strength steel leaves are engineered to replace sagging or broken factory springs and provide extra support for towing and hauling. Whether used on a work truck, plow rig, or overland build, this kit is a bolt-on component that keeps the rear axle stable under heavy loads.

Built For Performance

• Multi-leaf design with parabolic taper reduces inter-leaf friction for a smoother ride.
• Heavy-duty spring rate increases payload capacity without excessive harshness.
• Pre-installed rubber bushings at the eyelets minimize noise and vibration.
• Shot-peened steel construction resists metal fatigue and sag over time.
• Corrosion-resistant black powder coat finish stands up to road salt and off-road mud.
• Direct bolt-on replacement requires no drilling or welding.

Fits These Machines

• for Ford F-150 4WD (2009-2023)
• for Ford F-150 XL 4WD (2009-2023)
• for Ford F-150 XLT 4WD (2009-2023)
• for Ford F-150 Lariat 4WD (2009-2023)
• for Ford F-150 King Ranch 4WD (2009-2023)
• for Ford F-150 Platinum 4WD (2009-2023)
• for Ford F-150 Raptor 4WD (2010-2023)

On-The-Job Use

• Towing fifth-wheel trailers, boats, and enclosed car haulers.
• Hauling heavy payloads such as pallets of construction material or equipment.
• Snow plowing where rear ballast and stability are critical.
• Off-road overlanding and camping setups that carry rooftop tents and gear.
• Restoring ride height on high-mileage fleet trucks that see daily abuse.

Specs At A Glance

Good To Know

Q: Will this kit restore factory ride height? A: This heavy-duty spring kit is designed to provide increased load capacity and may raise the rear slightly; it helps prevent sag when towing or carrying heavy cargo.

Q: Does this kit replace both rear springs? A: Yes, it includes a pair of rear leaf springs and all necessary hardware for a complete installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.