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Enhance your Chevy/GMC G3500/G4500 motorhome's suspension performance.
The Timbren Helper Spring Kit is designed specifically for the rear suspension of 2013 to 2019 Chevrolet G3500 and GMC G4500 motorhomes. This suspension enhancement system utilizes AEON hollow rubber springs that provide a progressive spring rate, effectively preventing rear end sag when carrying heavy loads or towing trailers. Each component is crafted from precision-bent, laser-cut steel and finished with a powder coating for durability and a perfect fit.
This kit replaces the jounce stop on the frame, ensuring that your vehicle maintains a level stance under varying loads. The unique design of the Timbren SES allows for improved ride quality, absorbing road shocks and bumps, which enhances overall driving comfort. With a load capacity of 5600 pounds per set, this system is engineered to stabilize your vehicle, control body roll during cornering, and mitigate trailer sway, making it a reliable choice for heavy-duty applications.
Installation is straightforward and can be completed in approximately one hour, making it an economical solution for enhancing your vehicle's suspension without the need for complex modifications. The Timbren Helper Spring Kit is a practical addition for those seeking to improve their motorhome's handling and stability while ensuring a smooth ride.
Features
- Eliminate Suspension Sag: When Towing A Heavy Trailer, Timbren SES Extends The Life Of The Suspension Of Your Vehicle And Helps To Avoid Bottoming Out
- Control Trailer Sway: A Condition Which Occurs With Unbalanced Loads, In Crosswinds Or When Passing Heavy Trucks Timbren SES Stabilizes Your Vehicle
- Control Body Roll: During Cornering With Powerful Progressive Rate Rubber Springs Which Resist Lean And Enhance Vehicle Stability
- Improve The Ride: By Allowing The Aeon Rubber Springs Absorb Road Shocks And Bumps. Towing A Trailer Doesn’t Have To Mean Poor Ride Quality
- Economical And Trouble Free
- Simple And Easy To Install
- Unique Design Ensures Superb Ride Quality Loaded Or Unloaded
Specifications
- Manufacturer: Timbren
- Manufacturer Part Number: GMRG45MH
- Type: Jounce Spring
- Load Capacity: 5600 Pound
- With Air Compressor: No
- Color: Black
- Quantity: Set Of 2
- Pressure Range: Not Applicable
- Material: Rubber
- Mounting Type: Frame Mount
- With Bellows: No
- With Air Line: No
- With Roll Plate: No
- With Valve: No
- Remote Type: Not Applicable
- With Mounting Hardware: No
- Estimated Install Time (Hours): 1
Compatibility / Fit
- 2013-2026 Chevrolet Express 3500
- 2013-2025 Chevrolet Express 4500
- 2013-2026 GMC Savana 3500
- 2013-2025 GMC Savana 4500
Technical Documents
Product Videos
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
