National Spring Pro Series Leaf Springs

Brand: National Spring | Part #SUS-50428D

Category: Suspension > Leaf Springs

The National Spring Pro Series Leaf Springs (P/N SUS-50428D) 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-50428D is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2010–2022 BMW, GMC including 7 Series, i4, Canyon, Yukon XL, Sierra HD. 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: $119.99 | In stock — ships within 1-2 business days. Free shipping.