Moog CK623125 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Moog CK623125 Front Left Upper Control Arm

Moog CK623125 is a front left upper suspension control arm and ball joint assembly built for heavy-duty use on full-size GM SUVs and trucks. It combines a steel control arm, greaseable service points, and an adjustable design to support precise front suspension alignment on demanding roads.

Compatible with 2014-2018 Chevrolet Silverado 1500, 2014-2018 GMC Sierra 1500, 2019 Chevrolet Silverado 1500 LD, 2019 GMC Sierra 1500 Limited, and 2015-2020 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, GMC Yukon, and GMC Yukon XL, this part number is a direct-fit front left upper replacement for the listed applications.

• Steel control arm construction for added strength
• Ball joint included for complete upper arm service
• Bushings included for a ready-to-install assembly
• Grease fitting included for serviceable lubrication
• Greaseable and adjustable design for suspension tuning
• Castle nut and cotter pin included
• Premium grade construction for demanding use

MOOG High Utilization Designs are engineered for heavier loads and rougher road conditions, making CK623125 a practical choice when the front suspension needs added durability and consistent steering response. This part cross-references Delphi TC7873 for the same application.

Common Symptoms This Part Can Address

• Front-end looseness or wandering steering
• Clunking or knocking from the upper suspension area
• Uneven tire wear caused by worn control arm components
• Excess play from deteriorated bushings or ball joint wear
• Alignment issues after suspension wear on GM SUVs and trucks

Installation Notes and Tips

Install CK623125 on the front left upper position only. After replacement, perform a professional wheel alignment to verify camber and caster settings. Because this assembly is greaseable, service the fitting during installation and follow the vehicle maintenance schedule for ongoing lubrication.

Quality Assurance

Moog designs this suspension control arm and ball joint assembly for higher-load service and more punishing road conditions, with premium materials and serviceable features that support long-term suspension performance.