Rear Suspension Kit Ford F-350 2017–2025 7000 LBS | RETRUE

7,000 LBS Support: Designed for compatible 2017–2025 Ford F-350 Super Duty trucks, this rear suspension kit provides up to 7,000 lbs of supplemental support to help reduce sag, sway, and excessive suspension movement under load.

Progressive Rubber Springs: Durable rear suspension helper springs progressively engage as the suspension compresses, supporting a more level stance and controlled handling during towing and hauling.

Maintenance-Friendly Design: Unlike air systems, this F-350 suspension kit requires no compressors, air lines, or pressure adjustments, providing straightforward mechanical support with minimal ongoing maintenance.

Towing & Hauling Upgrade: Suitable for RVs, campers, equipment trailers, horse trailers, work equipment, and bed cargo. The kit supplements the factory suspension and does not increase GVWR, GAWR, payload, or towing capacity.

Designed for compatible 2017–2025 Ford F-350 Super Duty rear suspension applications and replacement for FR350SDJ-style systems. Verify vehicle year, rear suspension configuration, mounting clearance, and any aftermarket modifications before ordering.

Shipping:
We ship our products primarily through USPS/UPS. All items will be shipped within 72 business hours upon receipt of payment (except Saturday and Sunday). Orders placed on weekend will be shipped within 4 days.

Returns:
Items purchased from RETRUE may be returned in original unused condition within 30 days from the date of purchase for a refund, to the original form of payment. All returns must be pre-approved by RETRUE. Otherwise, unauthorized returns will not be accepted.

Warranty: Air Springs: Limited Lifetime
Hardware & Brackets of Air Springs: 2 Years
Bumpers, Hardware, Fittings & Air Line of Air Accessories: 2 Years
Hardware & Brackets of Air Accessories: 1–2 Years (depending on model; view product warranty documents for details)

Fitment: Ford F-350 Super Duty
Model Years: 2017–2025
Position: Rear Suspension
Suspension Support: Up to 7,000 lbs
Material: Heavy-Duty Rubber
Replacement Reference: FR350SDJ
System Type: Progressive Rubber Helper Springs

Q1: Does this rear suspension kit fit a 2017–2025 Ford F-350 Super Duty?
A: This F-350 rear suspension kit is designed for compatible 2017–2025 Ford F-350 Super Duty rear suspension applications and serves as a replacement solution for FR350SDJ-style systems. Verify the exact suspension configuration before ordering.

Q2: How much suspension support does this F-350 suspension kit provide?
A: The F-350 suspension kit provides up to 7,000 lbs of supplemental suspension support. This rating refers to suspension support only and does not increase the truck manufacturer's GVWR, GAWR, payload, or towing capacity.

Q3: How do the rear suspension helper springs work?
A: The rear suspension helper springs progressively engage as the rear suspension compresses under load. Increased compression creates additional resistance to help control rear sag, sway, tilt, and excessive suspension movement during towing or hauling.

Q4: Do these helper springs require air pressure or a compressor?
A: No. Unlike an air suspension system, these helper springs for towing use durable rubber components and require no compressor, air lines, or air-pressure adjustments, making them a low-maintenance suspension support solution.

Q5: Are these helper springs suitable for towing RVs and heavy trailers?
A: The Ford F-350 suspension upgrade can provide supplemental rear suspension support when towing compatible RVs, campers, horse trailers, and equipment trailers. Always remain within Ford's specified GVWR, GAWR, payload, and towing limits.