FR1504E Rear Axle SES Suspension Enhancement Kit For Ford F 150 2015 2020 4WD
Product Overview
The Rear Axle SES Suspension Enhancement System Kit improves load-leveling and stability on 2015-2020 Ford F-150 4WD models. This Rear Axle SES kit installs on the rear axle to reduce sag when towing or hauling heavy cargo, maintaining a level ride height. Truck owners get a durable, adjustable suspension solution that preserves factory comfort when unloaded.
Key Features & Performance
- Adjustable air spring design allows fine-tuning support for varying loads
- Bolt-on installation uses existing frame holes — no welding required
- Heavy-duty reinforced bellows resist abrasion and weather cracking
- Complete kit includes air springs, brackets, hardware, and inflation valves
- Maintains OE ride quality when deflated while preventing rear squat under load
- Corrosion-resistant mounting brackets and fasteners for long-term durability
Fitment & Compatibility
- 2015 Ford F-150 4WD
- 2016 Ford F-150 4WD
- 2017 Ford F-150 4WD
- 2018 Ford F-150 4WD
- 2019 Ford F-150 4WD
- 2020 Ford F-150 4WD
Common Uses
- Towing travel trailers, boats, and enclosed cargo trailers
- Hauling heavy payloads in the bed without excessive rear sag
- Leveling the truck when carrying slide-in campers or toppers
- Improving stability and steering control while loaded
- Reducing headlight misalignment caused by rear squat
Technical Specifications
- Part Number(s): FR1504E
- System Type: Rear axle air spring suspension enhancement
- Position: Rear axle
- Drivetrain: 4WD
- Vehicle Years: 2015-2020
Frequently Asked Questions
Q: Will this kit make the ride harsher when the truck is empty? A: No, the system is engineered to retain the factory ride quality when unloaded, and you simply add air when carrying or towing a load.
Q: Is drilling into the frame required? A: Most installations are entirely bolt-on using existing frame holes; only minor trimming of a bracket may be needed depending on bed configuration.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.
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