National Spring OE Replacement Leaf Springs

Brand: National Spring | Part #SUS-73B573

Category: Suspension > Leaf Springs

The National Spring OE Replacement Leaf Springs (P/N SUS-73B573) is a direct-fit Leaf Springs for the vehicles listed in the fitment section. Mounts and bushings use the same durometer as OE so NVH characteristics stay close to a new-from-factory vehicle. Sourced from National Spring, a recognized supplier in the aftermarket auto parts channel. Part number SUS-73B573 is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2009–2023 Mercedes-Benz, Buick including GLC, Envision, Encore. Use the year/make/model selector above to verify your exact configuration before checkout. In-stock items leave the warehouse within one business day. Free shipping over $75; ground delivery is 3–7 business days nationwide. Backed by a 90-day return window — if the part doesn't fit or the wrong unit was shipped, send it back for a full refund.

Price: $40.99 | In stock — ships within 1-2 business days. Free shipping on orders over $75.