Zone Offroad ZONC2321 19-21 GM 1500 Zone Cast Upper Control Arm

Adventure Series upper control arms dwarf the factory arms they directly replace. Made from cast ductile iron with CNC-machined ball joint and bushing mounts, these arms one-up factory components by providing a significantly increased range of travel and come equipped with stock-style rubber mount bushings to provide a smooth, quiet ride.

• CNC machined ball joint cup with improved positioning ideal for use with leveling/lift kits
• High quality greaseable ball joints with a protective cap to keep out dirt/debris
• OE style rubber bushings for durability and maintenance-free operation
• Improved strength with cast ductile iron construction
• Fully assembled and ready to install

The Zone Offroad ZONC2321 Adventure Series upper control arms are designed as direct replacements for factory arms on select GM 1500 applications. Constructed from cast ductile iron with CNC-machined ball joint and bushing mounts, these control arms provide increased range of travel while retaining stock-style rubber mount bushings for a smooth, quiet ride.

The CNC-machined ball joint cup features improved positioning for use with leveling and lift kits. High-quality greaseable ball joints include protective caps to help keep out dirt and debris. OE-style rubber bushings support durability and maintenance-free operation, while the fully assembled design is ready for installation.

Key Features & Performance Benefits

• Cast ductile iron construction: Provides improved strength over factory components.
• Increased range of travel: Supports greater suspension movement than the factory arms.
• Improved ball joint positioning: CNC-machined cup is ideal for use with leveling and lift kits.
• Stock-style rubber bushings: Promote a smooth, quiet ride with maintenance-free operation.

Key Product Specifications & Technical Data

• Brand: Zone Offroad
• Part number: ZONC2321
• Product series: Adventure Series
• Product type: Upper control arm
• Construction: Cast ductile iron
• Ball joint mount: CNC-machined
• Ball joints: Greaseable with protective caps
• Bushings: OE-style rubber

What's Included in the Box

• Fully assembled upper control arm

Fitment

Fits select 2019 Chevrolet Silverado 1500 and 2019 GMC Sierra 1500 applications.

Fitments:
2019 Chevrolet Silverado 1500 Custom
2019 Chevrolet Silverado 1500 Custom Trail Boss
2019 Chevrolet Silverado 1500 High Country
2019 Chevrolet Silverado 1500 LT
2019 Chevrolet Silverado 1500 LT Trail Boss
2019 Chevrolet Silverado 1500 LTZ
2019 Chevrolet Silverado 1500 RST
2019 Chevrolet Silverado 1500 SSV
2019 Chevrolet Silverado 1500 WT
2019 GMC Sierra 1500 AT4
2019 GMC Sierra 1500 Base
2019 GMC Sierra 1500 Denali
2019 GMC Sierra 1500 Elevation
2019 GMC Sierra 1500 SLE
2019 GMC Sierra 1500 SLT
2020 Chevrolet Silverado 1500 Custom
2020 Chevrolet Silverado 1500 Custom Trail Boss
2020 Chevrolet Silverado 1500 High Country
2020 Chevrolet Silverado 1500 LT
2020 Chevrolet Silverado 1500 LT Trail Boss
2020 Chevrolet Silverado 1500 LTZ
2020 Chevrolet Silverado 1500 RST
2020 Chevrolet Silverado 1500 SSV
2020 Chevrolet Silverado 1500 WT
2020 GMC Sierra 1500 AT4
2020 GMC Sierra 1500 Base
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 Elevation
2020 GMC Sierra 1500 SLE
2020 GMC Sierra 1500 SLT
2021 Chevrolet Silverado 1500 Custom
2021 Chevrolet Silverado 1500 Custom Trail Boss
2021 Chevrolet Silverado 1500 High Country
2021 Chevrolet Silverado 1500 LT
2021 Chevrolet Silverado 1500 LT Trail Boss
2021 Chevrolet Silverado 1500 LTZ
2021 Chevrolet Silverado 1500 RST
2021 Chevrolet Silverado 1500 SSV
2021 Chevrolet Silverado 1500 WT
2021 GMC Sierra 1500 AT4
2021 GMC Sierra 1500 Base
2021 GMC Sierra 1500 Denali
2021 GMC Sierra 1500 Elevation
2021 GMC Sierra 1500 SLE
2021 GMC Sierra 1500 SLT
2022 Chevrolet Silverado 1500 Custom
2022 Chevrolet Silverado 1500 Custom Trail Boss
2022 Chevrolet Silverado 1500 High Country
2022 Chevrolet Silverado 1500 LT
2022 Chevrolet Silverado 1500 LT Trail Boss
2022 Chevrolet Silverado 1500 LTZ
2022 Chevrolet Silverado 1500 RST
2022 Chevrolet Silverado 1500 WT
2022 Chevrolet Silverado 1500 ZR2
2022 GMC Sierra 1500 AT4
2022 GMC Sierra 1500 AT4X
2022 GMC Sierra 1500 Denali
2022 GMC Sierra 1500 Denali Ultimate
2022 GMC Sierra 1500 Elevation
2022 GMC Sierra 1500 Pro
2022 GMC Sierra 1500 SLE
2022 GMC Sierra 1500 SLT
2023 Chevrolet Silverado 1500 Custom
2023 Chevrolet Silverado 1500 Custom Trail Boss
2023 Chevrolet Silverado 1500 High Country
2023 Chevrolet Silverado 1500 LT
2023 Chevrolet Silverado 1500 LT Trail Boss
2023 Chevrolet Silverado 1500 LTZ
2023 Chevrolet Silverado 1500 PPV
2023 Chevrolet Silverado 1500 RST
2023 Chevrolet Silverado 1500 WT
2023 Chevrolet Silverado 1500 ZR2
2023 GMC Sierra 1500 AT4
2023 GMC Sierra 1500 AT4X
2023 GMC Sierra 1500 Denali
2023 GMC Sierra 1500 Denali Ultimate
2023 GMC Sierra 1500 Elevation
2023 GMC Sierra 1500 Pro
2023 GMC Sierra 1500 SLE
2023 GMC Sierra 1500 SLT
2024 Chevrolet Silverado 1500 Custom
2024 Chevrolet Silverado 1500 Custom Trail Boss
2024 Chevrolet Silverado 1500 High Country
2024 Chevrolet Silverado 1500 LT
2024 Chevrolet Silverado 1500 LT Trail Boss
2024 Chevrolet Silverado 1500 LTZ
2024 Chevrolet Silverado 1500 PPV
2024 Chevrolet Silverado 1500 RST
2024 Chevrolet Silverado 1500 WT
2024 Chevrolet Silverado 1500 ZR2
2024 GMC Sierra 1500 AT4
2024 GMC Sierra 1500 AT4X
2024 GMC Sierra 1500 Denali
2024 GMC Sierra 1500 Denali Ultimate
2024 GMC Sierra 1500 Elevation
2024 GMC Sierra 1500 Pro
2024 GMC Sierra 1500 SLE
2024 GMC Sierra 1500 SLT
2025 Chevrolet Silverado 1500 Custom
2025 Chevrolet Silverado 1500 Custom Trail Boss
2025 Chevrolet Silverado 1500 High Country
2025 Chevrolet Silverado 1500 LT
2025 Chevrolet Silverado 1500 LT Trail Boss
2025 Chevrolet Silverado 1500 LTZ
2025 Chevrolet Silverado 1500 PPV
2025 Chevrolet Silverado 1500 RST
2025 Chevrolet Silverado 1500 WT
2025 Chevrolet Silverado 1500 ZR2
2025 GMC Sierra 1500 AT4
2025 GMC Sierra 1500 AT4X
2025 GMC Sierra 1500 Denali
2025 GMC Sierra 1500 Denali Ultimate
2025 GMC Sierra 1500 Elevation
2025 GMC Sierra 1500 Pro
2025 GMC Sierra 1500 SLE
2025 GMC Sierra 1500 SLT

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1