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Dorman 977-805 Fuel Injection Throttle Body
Electronic Throttle Body for Toyota V8 Applications
Dorman 977-805 is an electronic fuel injection throttle body built to match the original equipment unit on select Toyota trucks and SUVs. It addresses common throttle-body-related drivability concerns tied to oil contamination, dirt, and carbon buildup, while keeping the factory-style electronic throttle response expected on 2005-2009 Toyota Sequoia and 2005-2009 Toyota Tundra applications.
Key Features
- Electronic throttle body for gas fuel systems
- Direct replacement design for select Toyota Sequoia and Toyota Tundra models
- Aluminum throttle body construction with natural finish
- Includes throttle position sensor
- Flanged inlet design with 76.29 mm bore diameter
- 6-terminal blade-style electrical connection
- Single inlet and single outlet configuration
- Part number 977-805 for catalog and service reference
Detailed Description
This Dorman throttle body is engineered for 2005-2009 Toyota Sequoia and 2005-2009 Toyota Tundra vehicles that use an electronic throttle control system. It is built from aluminum with an aluminum/PBT housing and is designed to replicate OE fit and function, helping restore stable idle quality and consistent throttle response when the original unit is affected by contamination or wear. The included throttle position sensor supports proper electronic signal feedback to the engine management system. Cross-reference part numbers for the same application include Hitachi Automotive ETB0135 and Standard Ignition S20197. Dorman 977-805 is a practical replacement choice when servicing Toyota Sequoia and Toyota Tundra throttle body concerns.
Common Issues This Part May Address
- Erratic or unstable idle
- Malfunction indicator lamp illumination related to throttle body faults
- Diagnostic trouble codes tied to throttle control or airflow issues
- Throttle response problems caused by carbon buildup
- Performance issues linked to oil ingress or dirt contamination
Installation Notes and Tips
Verify the electronic connector, 6-terminal blade layout, inlet style, and bore size before installation. This throttle body does not include mounting hardware, gasket or seal, or installation hardware, so reuse or source the required service parts separately. After installation, clear stored codes and perform any relearn or idle calibration procedure specified by the vehicle manufacturer.
Quality Assurance
Dorman builds this replacement throttle body to meet exacting standards and to match the performance of the original equipment unit on specified vehicles. The design and material selection are intended to help reduce repeat failures associated with contamination and wear in the throttle body assembly.
Fits 2005-2009 Toyota Sequoia and 2005-2009 Toyota Tundra, N/A.
| Brand | Dorman |
| Part Number | 977-805 |
| Mounting Hardware Included | No |
| Mounting Hardware Included | Non |
| Gasket Or Seal Included | No |
| Gasket Or Seal Included | Non |
| Adjustable | No |
| Adjustable | Non |
| Inlet Diameter | 79.38 |
| Inlet Type | Embridado |
| Inlet Type | Flanged |
| Outlet Type | Non-flanged |
| Outlet Type | Sin brida |
| Outlet Quantity | 1 |
| Outlet Quantity | 1 ensamble de manguera del calentador |
| Outlet Diameter | 76.29 |
| Fuel System Type | Gas |
| Bore Diameter | 76.29 |
| Fuel Injectors Included | No |
| Fuel Injectors Included | Non |
| Idle Air Control Motor Included | No |
| Idle Air Control Motor Included | Non |
| Throttle Body Finish | Natural |
| Throttle Body Material | Aluminio |
| Throttle Body Material | Aluminum |
| Throttle Body Spacer Included | No |
| Throttle Body Spacer Included | Non |
| Throttle Body Type | Electronic |
| Throttle Body Type | Electrónico |
| Throttle Position Sensor Included | Oui |
| Throttle Position Sensor Included | Sí |
| Throttle Position Sensor Included | Yes |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Toyota | Sequoia | 4.7L | V8 | N/A | |
| 2009 | Toyota | Tundra | 4.7L | V8 | N/A | |
| 2008 | Toyota | Sequoia | 4.7L | V8 | N/A | |
| 2008 | Toyota | Tundra | 4.7L | V8 | N/A | |
| 2007 | Toyota | Sequoia | 4.7L | V8 | N/A | |
| 2007 | Toyota | Tundra | 4.7L | V8 | N/A | |
| 2006 | Toyota | Sequoia | 4.7L | V8 | N/A | |
| 2006 | Toyota | Tundra | 4.7L | V8 | N/A | |
| 2005 | Toyota | Sequoia | 4.7L | V8 | N/A | |
| 2005 | Toyota | Tundra | 4.7L | 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.