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

Product Overview

This rear leaf spring suspension heavy duty kit replaces worn or sagging factory springs on 2009–2023 Ford F-150 4WD pickups, restoring factory ride height and increasing load-carrying stability. Built from high-strength spring steel with a multi-leaf heavy duty pack, this rear leaf spring suspension heavy duty kit reduces rear-end squat when towing or hauling heavy payloads. It’s the heavy-duty leaf spring solution for work trucks, trailers, and daily drivers that demand reliable rear support without a harsh ride.

Key Features & Performance

• Heavy-duty multi-leaf construction provides higher load capacity and resists axle wrap
• Pre-installed rubber bushings reduce noise and eliminate metal-on-metal contact
• Shot-peened and heat-treated spring steel delivers long fatigue life under constant load
• Powder-coat finish resists corrosion from road salt, mud, and moisture
• Engineered for a direct bolt-on installation using factory mounting points
• Matches OEM Part# 3611-YHD for guaranteed 2009–2023 F-150 4WD compatibility

Fitment & Compatibility

• 2009–2023 Ford F-150 4WD (all cab and bed configurations)
• Fits XL, XLT, Lariat, King Ranch, Platinum, and Limited trims with 4WD
• Not designed for 2WD models or Raptor applications

Common Uses

• Restoring proper ride height after factory leaf springs sag from age or overload
• Installing as a heavy-duty replacement to improve stability when towing trailers, campers, or boats
• Supporting heavy payloads in the truck bed without excessive squat
• Recommended for contractors, landscapers, and fleet vehicles needing dependable rear suspension
• Maintaining safe handling and brake balance when consistently hauling near GVWR

Technical Specifications

• Part Number(s): 3611-YHD
• Position: Rear Axle
• Spring Configuration: Heavy-Duty Multi-Leaf
• Quantity: Pair (Left & Right)
• Bushing Type: Rubber
• Material: High-Strength Spring Steel
• Finish: Powder Coated

Frequently Asked Questions

Q: Is this a complete kit for both left and right sides? A: Yes, this rear leaf spring suspension heavy duty kit includes two leaf springs (left and right) with pre-installed rubber bushings, giving you a full rear axle spring replacement in one package.

Q: Will these springs lift my F-150? A: These springs are engineered to restore factory ride height, not to provide a lift. They will correct rear sag and sit at the original OEM height, with increased heavy-duty capacity to handle more weight without drooping.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.