Zone Offroad C8301 Upper Control Arm Replacement Ball Joint Service Kit

The Zone Offroad C8301 is a direct-fit replacement upper control arm (UCA) ball joint service kit, engineered specifically for use with Zone Offroad Adventure Series Upper Control Arms on GM 1500 trucks and SUVs. When the factory-installed ball joint in your Zone UCA shows signs of wear, this kit provides a precise, hassle-free swap to restore like-new suspension performance.

Key Features:

• Designed for Zone Offroad UCAs: A direct replacement ball joint for Zone Offroad Adventure Series Upper Control Arms — not a generic universal fit
• Greasable Design: Equipped with a grease fitting and grease relief valve to allow easy lubrication and flushing of debris for extended service life
• High-Strength Steel Construction: Manufactured from hardened steel for durability and superior corrosion resistance
• Internal Spring Loaded: Features an internal spring that helps eliminate vibration and maintain consistent preload on the ball stud
• Protective Sealing: Dust boot and protective encasing shields the ball stud and knuckle contact areas from dirt and contaminants
• Quiet Operation: Precision-fit polymer bearing and quality construction ensure smooth, noise-free suspension movement

Kit Includes:

• 1x Replacement upper ball joint
• Retaining nut
• Cotter pin

The Zone Offroad C8301 ball joint service kit is the correct service part to keep your Zone Adventure Series upper control arms performing at their best. Also sold as part number ZONC8301. For a complete master kit that includes additional hardware, see Zone Offroad C8311.