OE Quality
60-Day Returns

Hitachi ETB0021 Fuel Injection Throttle Body
Overview of Hitachi ETB0021 Fuel Injection Throttle Body
The Hitachi ETB0021 is an electric fuel injection throttle body designed specifically for Nissan Maxima models. Engineered to provide precise throttle control, this component ensures optimal air and fuel delivery for improved engine performance.
- Electric actuation type for responsive throttle control
- 75.0 mm bore diameter for accurate airflow management
- Includes throttle position sensor for real-time feedback
- Blade-type male terminal connector with 6 terminals
- Compatible with Nissan Maxima fuel injection systems
Detailed Product Description
The Hitachi ETB0021 fuel injection throttle body features an electric actuation mechanism that replaces traditional cable-driven systems, offering enhanced throttle response and smoother acceleration. With a 75.0 mm bore diameter, it regulates the airflow entering the engine precisely, which is critical for maintaining the correct air-fuel mixture. This throttle body includes an integrated throttle position sensor, allowing the engine control unit to monitor throttle position accurately and adjust fuel delivery accordingly. The connector uses a blade-type male terminal with six terminals, ensuring secure and reliable electrical connections. Designed exclusively for Nissan Maxima vehicles, this part meets OEM specifications for fit and function.
Common Applications and Problem Resolution
- Restores proper throttle response in Nissan Maxima models
- Resolves issues related to erratic idle or stalling caused by faulty throttle bodies
- Addresses throttle position sensor errors triggering check engine lights
- Improves fuel efficiency by maintaining accurate air intake control
- Eliminates hesitation or surging during acceleration
Installation Notes and Tips
When installing the Hitachi ETB0021 throttle body, ensure the electrical connector is securely attached to prevent signal interruptions. Since this part does not include a gasket or seal, reuse the existing gasket or replace it to avoid air leaks. Calibration or relearning procedures may be required after installation to synchronize the throttle position sensor with the vehicle’s engine control unit. It is recommended to follow Nissan Maxima service guidelines for throttle body replacement.
Quality Assurance and Warranty
Manufactured by Hitachi, a reputable supplier of automotive components, the ETB0021 throttle body is built to meet strict quality standards. While specific warranty details are not provided, Hitachi parts typically come with manufacturer-backed warranties covering defects in materials and workmanship. Using this OEM-compatible throttle body helps maintain the reliability and performance of your Nissan Maxima’s fuel injection system.
| Brand | Hitachi |
|---|---|
| Part Number | ETB0021 |
| Actuation Type | Electric |
| Bore Diameter | 75.0 mm |
| Gasket Or Seal Included | No |
| Idle Air Control Motor Included | No |
| Manufacturer | Hitachi |
| Qty Needed Per Unit | 1 |
| Terminal Connector Type | Blade |
| Terminal Gender | Male |
| Terminal Quantity | 6 |
| Throttle Body Type | Electric |
| Throttle Position Sensor Included | Yes |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2014 | Nissan | Maxima | SV | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2014 | Nissan | Maxima | S | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2014 | Nissan | Maxima | Exclusive | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2014 | Nissan | Maxima | Base | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2013 | Nissan | Maxima | SV | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2013 | Nissan | Maxima | S | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2013 | Nissan | Maxima | Exclusive | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2013 | Nissan | Maxima | Base | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2012 | Nissan | Maxima | SV | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2012 | Nissan | Maxima | S | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2012 | Nissan | Maxima | Exclusive | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2012 | Nissan | Maxima | Base | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2011 | Nissan | Maxima | SV | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2011 | Nissan | Maxima | S | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2011 | Nissan | Maxima | Base | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2010 | Nissan | Maxima | SV | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2010 | Nissan | Maxima | S | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2010 | Nissan | Maxima | Base | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2009 | Nissan | Maxima | Tracking | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2009 | Nissan | Maxima | SV | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2009 | Nissan | Maxima | S | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
| 2009 | Nissan | Maxima | GXE Sport | 3.5L | V6 | N/A | Grade: Actual OE; Terminal Quantity: 6; Availability: Available to Order; Bore Diameter: 75.0; Gasket Or Seal Included: No; Idle Air Control Motor Included: No; Throttle Body Type: Electric; Throttle Position Sensor Included: Yes |
* 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.