Value Aftermarket – Generic replacement parts designed for your vehicle, focused on price savings over original manufacturer branding.
GM TRUCKS & VANS SIERRA/PU 2500/3500 UPPER SHUTTER LOWER MOUNT BRACKET OEM#84590764 2020-2025 PL#GM1225448
OEM Part Number: 84590764
We recommend obtaining your paint code from your vehicle rather than calling the dealer since they might give you the wrong paint code.
Details
A broken radiator support assembly needs to be replaced promptly. If you don’t do that you run the chance of destroying your radiator and in turn your motor. Top quality replacement parts are your clear choice and with Painted Auto Body Parts quality is exactly what you receive. The part you are currently on is developed for GM TRUCKS & VANS SIERRA/PU 2500/3500 models, manufactured in 2020, 2021, 2022, 2023, 2024, 2025. Do not put it off and get your car in order.
The radiator support assembly has a tremendous part in the safety of the radiator and thus in the way the engine operates. The radiator helps dissipate high temps, so the motor can operate without getting on fire. This makes clear why a faulty radiator support assembly can lead to significant damage to the motor.
But changing a broken radiator support assembly should only be carried out if your replacement piece is of top quality. For this reason we always present our customers with great elements at affordable rates, so your vehicle can always run properly and smoothly. Purchase right now and get it as quickly as possible!
Shipping and Returns
Shipping
Once your order is shipped, the estimated delivery times are as follows:
- Painted Parts: Delivered within 10–15 business days
- Non-Painted Parts: Delivered within 5–10 business days
Read our full shipping policy here.
Returns
Painted parts can be canceled within 24 hours for a full refund. Other parts can be canceled within 12 hours. After that, restocking fees may apply.
Returns are accepted within 30 days of delivery. Parts must be unused, in original packaging, and returned at the buyer’s expense unless we made an error.
All returns and cancellations must be approved by our team. Start a request through our website or contact us at 630-458-0082.
Report any shipping damage within 2 business days of delivery. Refunds are issued after inspection.
Read our returns and cancellation policy here.

























