Cushion the hardest suspension hits and help keep the axle from striking the frame with the Dorman leaf spring bumper, part number 523-5600 from Dorman - HD Solutions. This suspension leaf spring bump stop is built as a direct replacement for the original equipment. It fits many Chevrolet, GMC and Isuzu vehicles, among them the 2003-2009 Chevrolet C5500 Kodiak, 2004-2009 Chevrolet T6500 and 2004-2009 Chevrolet T7500. See the "Vehicles it fits" section for the full list.
A leaf spring bumper acts as a stop at the end of suspension compression. It is designed to absorb the impact when the spring and axle move up toward the frame. The catalog lists this bumper for front and rear locations on the listed applications.
- Direct replacement: designed to fit and perform like the original equipment on specific vehicles.
- Reliable fit: precision-engineered to match the design and dimensions of the original components.
- Durable construction: made to strict standards from sturdy, safe materials.
- Rigorously tested: checked through thorough quality-control measures.
Signs a leaf spring bumper may need replacing include a bumper that is cracked, crumbling, flattened or missing, a harsh bang when the suspension bottoms out over large bumps, and contact marks where the axle or spring meets the frame.
Interchange: MG27017 · 15574846 · 15654658 · 8155748460 · 8156546580
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
MG27017, 15574846, 15654658, 8155748460, 8156546580
Frequently Asked Questions
What does a leaf spring bumper do?
It acts as a bump stop. It cushions the impact at full suspension compression and helps keep the axle and leaf spring from striking the frame.
Does the Dorman 523-5600 fit a 2003-2009 Chevrolet C5500 Kodiak?
Yes, the 2003-2009 Chevrolet C5500 Kodiak is one of its listed applications, along with the 2004-2009 Chevrolet T6500 and T7500.
Which position is this bumper cataloged for?
The catalog lists part 523-5600 for both front and rear leaf spring bumper locations on the listed applications.
What are signs of a worn leaf spring bumper?
Watch for a cracked, crumbling, flattened or missing bumper, a harsh bang when bottoming out, or contact marks on the frame. If a worn bumper is the cause, this part replaces it.
Is it made to match the original part?
Yes. Dorman precision-engineers it to match the design and dimensions of the original components, and it is designed as a direct replacement on specific vehicles.
