Anchor 3587 Engine Mount - Front Left

Front Engine Mount for Heavy-Duty GM Trucks

Anchor 3587 is a front engine mount for the front left position on select Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD models. It is built to support the engine and reduce vibration transfer for a steadier ride and quieter operation.

Key Features

• Fits front left applications on 2020-2024 Chevrolet Silverado 2500 HD and Silverado 3500 HD
• Fits front left applications on 2020-2024 GMC Sierra 2500 HD and Sierra 3500 HD
• Engineered to OEM standards using CAD/CAM design methods
• Uses natural rubber and Styrene Butadiene rubber for abrasion resistance and aging stability
• Rubber hardness is matched to vehicle application requirements
• Rubber-to-metal bonding uses a Chemlock bonding agent
• Any included fasteners use hardened steel with heat-treated Grade 5 bolts
• Anchor 3587 cross-references 84948288 and C20109 for the same application

Detailed Description

Anchor 3587 is a replacement engine mount designed for the front left side of heavy-duty GM trucks. It helps secure the engine in place while reducing vibration, which is important on diesel and high-torque truck platforms that see frequent load changes. This part number is a direct fit for 2020-2024 Chevrolet Silverado 2500 HD, 2020-2024 Chevrolet Silverado 3500 HD, 2020-2024 GMC Sierra 2500 HD, and 2020-2024 GMC Sierra 3500 HD front left applications. Anchor 3587 is also referenced by part numbers 84948288 and C20109.

What It Helps Solve

• Excess engine vibration felt in the cab
• Engine movement caused by worn rubber or separated mounts
• Noisy drivetrain operation under load
• Harshness during acceleration, towing, or idle
• Mount deterioration from age, heat, and road exposure

Installation Notes and Tips

Verify the front left position before ordering and compare the original mount to the replacement for bracket shape and mounting points. On 2020-2024 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD trucks, inspect adjacent mounts and hardware for wear so the repair addresses the full source of movement. Mounting hardware is not listed as included.

Quality Assurance

Anchor designs this mount to OEM standards with CAD/CAM engineering, application-specific rubber hardness, and a bonded rubber-to-metal construction for consistent fit and performance. The material selection and bonding process are intended to support long service life in demanding truck use.