GMC Performance Control Arms

Brand: GMC | Part #SUS-5B643B

Category: Suspension > Control Arms

The GMC Performance Control Arms (P/N SUS-5B643B) is a direct-fit Control Arms 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 GMC, a recognized supplier in the aftermarket auto parts channel. Part number SUS-5B643B is the manufacturer reference — match it against your old part or VIN-based lookup to confirm you have the right unit. Confirmed fitment on 2018–2021 GMC including Sierra HD, Sierra, Yukon XL, Terrain. 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: $133.99 | In stock — ships within 1-2 business days. Free shipping.