Dorman 22-1661 rear leaf helper spring for the 2011-2018 Chevrolet Silverado 2500 HD and other vehicles helps the rear suspension carry heavy loads. It is a direct replacement for a helper spring weakened by rust and fatigue.
- Part of the Dorman OE Solutions line
- Steel leaf spring
- Maximum load rating of 750 pounds
Quick facts
- Part: Dorman 22-1661 leaf helper spring
- Fits: 2011-2018 Chevrolet Silverado 2500 HD and other vehicles
- Position: Rear
- Material: Steel
- Condition: New
A rear end that sags or bottoms out under load, or a helper leaf with visible cracks or rust, can mean the spring is worn. Worn shocks or main springs can sag the rear end too, so look the parked vehicle over with the engine off and have a shop check the rest. This listing is one spring; both sides are normally replaced together.
Fits
It fits the 2011-2018 Chevrolet Silverado 2500 HD, the 2011-2018 Chevrolet Silverado 3500 HD and the 2011-2018 GMC Sierra 2500 HD, two per vehicle. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Position: Rear
- Quantity per vehicle: 2
- Length: 38.75 in
- Width: 3 in
- Thickness: 1.063 in
- Maximum load rating: 750 lb
- Load increase strength: 750 lb
Build and materials
- Type: Leaf helper spring
- Material: Steel
- Condition: New
In the box
One leaf spring. Mounting hardware is not included, so plan on new fasteners, since the old ones may not be reusable.
Interchange: 22-1701 · 22-1715 · 22-1735 · 22-1749 · 22-1813 · 22-1829 · 22-1661DAY
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
22-1701, 22-1715, 22-1735, 22-1749, 22-1813, 22-1829, 22-1661DAY
Frequently Asked Questions
Is the Dorman 22-1661 leaf helper spring right for the 2011-2018 GMC Sierra 2500 HD?
Yes. Dorman 22-1661 fits the 2011-2018 GMC Sierra 2500 HD, and the vehicle takes two. Open the "Vehicles it fits" section to check other models.
Does the Dorman 22-1661 helper spring come with mounting hardware?
No. Dorman 22-1661 is one leaf spring without mounting hardware, so plan on new fasteners.
What is the load rating of this rear leaf helper spring?
The maximum load rating is 750 pounds. The spring is steel and measures 38.75 inches long, 3 inches wide and 1.063 inches thick.
How can I tell if a rear helper spring is worn out?
Cracks or rust you can see on the leaf, a sagging rear end or bottoming out with a load can be signs of wear. A shop can check the rest of the suspension.
Is 22-1701 an interchange for this rear leaf helper spring?
Yes. 22-1701 is listed as an interchange number for Dorman 22-1661, along with the other numbers on the Interchange line.
