Dorman 904-858 Vacuum Pump

Dorman 904-858 Vacuum Pump for Ford and Lincoln

Dorman 904-858 is a mechanical vacuum pump replacement built to match the fit and function of the original equipment unit. It uses a durable aluminum housing, gear drive, and a barbed vacuum connector to support vacuum-operated vehicle functions with reliable operation.

Key Features

• Mechanical vacuum pump with gear drive
• Aluminum housing for durable service
• Includes a gasket or seal for installation
• Relief valve included
• Single-port design with barbed vacuum connection
• Direct replacement for select Ford Transit, F-150, Expedition, and Lincoln Navigator applications

Detailed Description

This Dorman vacuum pump is engineered as a direct-fit replacement for vehicles using a mechanically driven vacuum pump. The design follows the original equipment fit and function, with a gear-driven mechanical layout, aluminum construction, and a built-in relief valve to support consistent vacuum supply. Part number 904-858 is a practical replacement choice for owners servicing vacuum-operated systems on the Ford Transit-150, Transit-250, Transit-350, Transit-350 HD, F-150, Expedition, and Lincoln Navigator.

This part cross-references Standard Ignition VCP123 for the same application.

What It Is Used For

• Loss of vacuum supply to engine-driven accessories or control systems
• Vacuum pump noise or reduced pump output
• Oil seepage or housing wear at the original pump
• Vacuum-related drivability or system performance concerns
• Replacement of a mechanically driven pump on select Ford and Lincoln vehicles

Installation Notes and Tips

Verify the vehicle uses a mechanically driven vacuum pump before ordering. Confirm port size, connector style, and mounting location against the original unit. The package includes a gasket or seal, but mounting hardware is not included. Use the existing service information for removal and installation procedures, and inspect the mating surfaces before assembly.

Quality Assurance

Dorman builds this replacement pump to match original equipment fit and function using durable materials for dependable service. It is intended for select 2013-2020 Ford and Lincoln applications, including 2015-2018 Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD models, as well as 2015-2017 Ford Expedition and Lincoln Navigator and 2013-2016 Ford F-150 applications.

• Fits 2019-2020 Ford Transit-150, N/A
• Fits 2019-2020 Ford Transit-250, N/A
• Fits 2019-2020 Ford Transit-350, N/A
• Fits 2019-2020 Ford Transit-350 HD, N/A
• Fits 2015-2018 Ford Transit-150, N/A, mechanically driven vacuum pump
• Fits 2015-2018 Ford Transit-250, N/A, mechanically driven vacuum pump
• Fits 2015-2018 Ford Transit-350, N/A, mechanically driven vacuum pump
• Fits 2015-2018 Ford Transit-350 HD, N/A, mechanically driven vacuum pump
• Fits 2015-2017 Ford Expedition, N/A, mechanically driven vacuum pump
• Fits 2015-2017 Lincoln Navigator, N/A, mechanically driven vacuum pump
• Fits 2015-2016 Ford F-150, N/A, mechanically driven vacuum pump
• Fits 2013-2014 Ford F-150, N/A, mechanically Driven