Dorman 545-527 Alignment Caster / Camber Cam - Front Upper Control Arm

Dorman 545-527 Alignment Caster/Camber Cam

Dorman 545-527 is a precision-engineered alignment caster and camber cam for the front upper control arm. It is built as a direct replacement for specific Chevrolet, GMC, Cadillac, and Hummer applications that need accurate suspension alignment adjustment.

• Precision-engineered replacement for OE alignment adjustment
• Standard-grade cam with 1 degree of offset
• 14 mm mounting hole diameter for specified applications
• Cam thickness measures 6.2
• Designed for front upper control arm alignment service
• Cross-references Mevotech Supreme MK80277 and MOOG Chassis Products K80277

Detailed Product Overview

This alignment cam is used to restore caster and camber adjustment on vehicles that rely on a front upper control arm cam for suspension geometry correction. It is a practical OE-style replacement for models such as the Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, and Chevrolet Tahoe, as well as other listed GM truck and SUV applications. Dorman 545-527 is engineered and tested for reliable fit and function on the specified vehicles.

Compatible With 1999-2018 Chevrolet Silverado 1500, front upper control arm; 1999-2018 GMC Sierra 1500, front upper control arm; 2000-2020 Chevrolet Tahoe, front upper control arm; and 2002-2020 Cadillac Escalade, front upper control arm. It also serves additional applications including Chevrolet Express, GMC Savana, Yukon, Suburban, Avalanche, Hummer H2, and related HD and Classic models listed in the fitment data.

What This Part Helps Correct

• Front-end alignment that cannot be brought back into specification
• Uneven tire wear caused by incorrect camber or caster settings
• Steering pull after suspension service
• Alignment issues following control arm or suspension component replacement
• Need for a replacement cam on GM truck and SUV front upper control arm setups

Installation Notes and Tips

Install on the front upper control arm only where the vehicle listing calls for caster/camber adjustment. Verify the mounting hole diameter, cam thickness, and offset before installation, then perform a professional wheel alignment after the suspension is assembled. For fitment-specific service, confirm the vehicle year, make, model, and alignment notes against the application list before ordering.

Quality Assurance

Dorman manufactures this part as a precision-engineered replacement and subjects it to rigorous testing to support dependable OE-style performance on the listed applications.