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Dorman 977-585 Fuel Injection Throttle Body
Dorman 977-585 Electronic Throttle Body
Dorman 977-585 is a 100% new electronic throttle body for gas applications, built to match original equipment fit and performance. It uses a corrosion-resistant aluminum housing, a new sensor, and a new circuit board to support reliable throttle control in Ford Explorer and Mercury Mountaineer applications.
Key Features
- Electronic throttle body for gas fuel systems
- Corrosion-resistant aluminum body with silver finish
- Throttle position sensor included
- 6-terminal female blade electrical connection
- 2.718-inch bore diameter
- Direct OE-style replacement for Ford Explorer and Mercury Mountaineer
Detailed Description
This Dorman throttle body, part number 977-585, is built as a new replacement unit rather than a remanufactured assembly. It is engineered for 2004-2005 Ford Explorer and 2004-2005 Mercury Mountaineer models with electronic throttle control, and it cross-references Cardone Reman 67-6027, 3L2Z9E926AA, TB1076, and Standard Ignition S20023 for the same application. The aluminum housing, integrated throttle position sensor, and updated electronics support consistent throttle response and OE-style fitment.
Fits 2004-2005 Ford Explorer, N/A. Fits 2004-2005 Mercury Mountaineer, N/A. Part number 977-585 is a direct-fit option for drivers replacing a worn or failing electronic throttle body on these vehicles.
Common Issues This Part Can Address
- Rough or unstable idle caused by throttle body wear
- Throttle response problems from a failing sensor or circuit board
- Driveability concerns related to carbon buildup or internal electronic failure
- Check engine light conditions tied to throttle control faults
- Reduced acceleration response in Ford Explorer and Mercury Mountaineer models
Installation Notes and Tips
Verify the connector style, 6-terminal count, and bore diameter before installation. This unit does not include a gasket or seal, and installation hardware is not included. Clean the intake mating surface and inspect the air inlet tract before mounting the replacement throttle body. After installation, follow the vehicle relearn or idle relearn procedure specified by the manufacturer.
Quality Assurance
Dorman builds this throttle body as a new OE-style replacement with updated internal electronics and a corrosion-resistant aluminum housing for dependable service in the listed Ford and Mercury applications.
| Brand | Dorman |
| Part Number | 977-585 |
| Gasket Or Seal Included | No |
| Adjustable | No |
| Outlet Quantity | 0 |
| Fuel System Type | Gas |
| Bore Diameter | 2.718 |
| Fuel Injectors Included | No |
| Idle Air Control Motor Included | No |
| Throttle Body Finish | Silver |
| Throttle Body Spacer Included | No |
| Throttle Body Type | Electronic |
| Throttle Position Sensor Included | Yes |
| Venturi Quantity | 0 |
| Connector/Terminal Type | Blade |
| Electrical Connection Type | Female blade |
| Housing Material | Aluminum |
| Inlet Quantity | 0 |
| Installation Hardware Included | No |
| Package Contents | 1 fuel injection throttle body |
| Terminal Count | 6 |
| Throttle Body Mounted | No |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Ford | Explorer | 4.6L | V8 | N/A | |
| 2005 | Mercury | Mountaineer | 4.6L | V8 | N/A | |
| 2004 | Ford | Explorer | 4.6L | V8 | N/A | |
| 2004 | Mercury | Mountaineer | 4.6L | V8 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.