Cushion hard suspension impacts with the Dorman suspension control arm bumper, part number 523-088. This white foam front lower bumper absorbs the jolt when the suspension bottoms out. It fits many vehicles, among them the 2003-2025 Chevrolet Express 2500, 2003-2025 Chevrolet Express 3500 and 2009-2025 Chevrolet Express 4500, as a direct-fit replacement for the listed applications. See the "Vehicles it fits" section for the full list.
- Impact cushioning: Made from quality materials to soak up hard hits and cushion the suspension when the vehicle bottoms out over potholes. This helps protect the control arm, frame, shock mounts and other suspension components from damage.
- Crack-resistant design: Built for extended use and to guard against everyday wear.
- Direct replacement: Designed to fit and perform like the original equipment on the listed applications, with the design and dimensions of the original part.
- Tested for quality: Put through in-vehicle use and durability testing to check strength, fit and service life.
The bumper is foam, finished in white, and mounts with a threaded attachment. It is a standard replacement grade part. Each package contains one bumper. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners. The listed applications use two bumpers, and replacing both at the same time is recommended. Country of origin: Malaysia.
If the original bumper is cracked, crumbling or missing, the suspension may hit harder when it reaches the end of its travel. This part replaces the worn bumper.
Interchange: 84805895 · 15270580 · K201939
This part cross-references / interchanges with the following part numbers:
84805895, 15270580, K201939
Frequently Asked Questions
What does a control arm bumper do?
It cushions the suspension when it bottoms out over potholes and road dips. This helps protect the control arm, frame, shock mounts and other suspension parts from hard impacts.
Which vehicles does the Dorman 523-088 fit?
It is a direct-fit replacement for the 2003-2025 Chevrolet Express 2500, the 2003-2025 Chevrolet Express 3500 and the 2009-2025 Chevrolet Express 4500, among others. Check the "Vehicles it fits" section for your vehicle.
What is this bumper made of and how does it attach?
It is made of white foam and mounts with a threaded attachment. Mounting hardware is not included.
How many bumpers do I need?
The listed applications use two, and each package contains one bumper. Replacing both at the same time is recommended.
What are signs a control arm bumper may need replacing?
A cracked, crumbling or missing bumper, or a harsh clunk when the suspension bottoms out over bumps, may mean it needs replacing. Inspect the suspension to confirm the cause.
