MPA Electrical 16021 Starter Motor

Remanufactured Starter for Heavy-Duty GM Applications

MPA Electrical 16021 is a remanufactured 12-volt starter built for heavy-duty Chevrolet and GMC trucks and vans. It uses an offset gear reduction design with a 2.2 kW rating, clockwise rotation, and a 9-tooth drive for direct replacement service in confirmed applications.

Key Features

• Remanufactured starter from MPA Electrical
• Offset gear reduction design for high-torque cranking
• 2.2 kW output
• 12-volt electrical system
• Clockwise rotation
• 9-tooth drive
• Built by manufacturer Hitachi
• Part number 16021

Fitment and Application Details

Compatible With 2011-2019 Chevrolet Silverado 2500 HD, N/A; 2011-2019 Chevrolet Silverado 3500 HD, N/A; 2011-2019 GMC Sierra 2500 HD, N/A; 2011-2019 GMC Sierra 3500 HD, N/A; 2008-2016 Chevrolet Express 2500, N/A; 2008-2016 Chevrolet Express 3500, N/A; 2008-2016 GMC Savana 2500, N/A; and 2008-2016 GMC Savana 3500, N/A. This starter is a direct-fit option for Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD diesel and heavy-duty starting systems where the listed OE references apply. Part number 16021 also cross-references BBB Industries 19140 for the same application.

What This Starter Helps Address

• Slow or weak engine cranking
• No-crank conditions caused by starter failure
• Intermittent starting on high-compression heavy-duty engines
• Starter noise related to worn drive engagement
• Electrical starting issues in Silverado, Sierra, Express, and Savana platforms

Installation Notes and Tips

Verify the 12-volt system, clockwise rotation, 9-tooth drive, and offset gear reduction layout before installation. Confirm OE part number match against the vehicle’s original starter and inspect battery condition, cables, grounds, and charging system output to avoid repeat starting complaints. Fitment for MPA Electrical 16021 covers the listed Chevrolet Silverado, GMC Sierra, Chevrolet Express, and GMC Savana applications only.

Quality Assurance

MPA Electrical remanufactured starters are rebuilt to restore core electrical starting function for service replacement use. This unit is identified by part number 16021 and is sourced with Hitachi manufacturing specification details for the listed applications.