Dorman 977-234 Electronic Throttle Body 19-23 Nissan Altima INFINITI QX50 QX55
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$663.73
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Original equipment throttle bodies often fail from moisture and oil intrusion and failed internal electronics. This Dorman OE FIX throttle body features a non-contact Hall effect sensor and proprietary Sensor Shield butterfly shaft seal to prevent future failures.
- Upgraded design - this plug-and-play replacement throttle body features a contactless Hall effect sensor and proprietary Sensor Shield butterfly shaft seal to prevent future failures
- New construction - 100% new case aluminum, not remanufactured, for reliability and the convenience of no core charge
- Rigorously tested - complies with Federal Motor Vehicle Safety Standards (FMVSS) and endurance-proven with over 1 million cycle tests
- Trustworthy quality - vehicle try-on tested, and backed by a team of product experts in the United States and more than a century of automotive experience
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2019-2023 | INFINITI | QX50 | ||
| 2022 | INFINITI | QX55 | ||
| 2019-2023 | Nissan | Altima |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 977-234 |
| UPC | 019495279426 |
| Mounting Hardware Included | No |
| Adjustable | No |
| Gasket Or Seal Included | No |
| Inlet Diameter | 61 mm |
| Inlet Type | Flanged |
| Outlet Type | Non-Flanged |
| Outlet Quantity | 1 |
| Outlet Diameter | 60 mm |
| Fuel System Type | Gas |
| Bore Diameter | 72.4 in. |
| Fuel Injectors Included | Yes |
| Idle Air Control Motor Included | No |
| Throttle Body Finish | Natural |
| Throttle Body Material | Aluminum |
| Throttle Body Spacer Included | No |
| Throttle Body Type | Fuel Injection |
| Throttle Position Sensor Included | Yes |
| Venturi Quantity | 0 |
| Grade Type | Standard Replacement |
| Connector/Terminal Type | Male/Pin |
| Electrical Connection Type | Connector |
| FMVSS (Federal Motor Vehicle Safety Standards) Compliant | Yes |
| Housing Color | Natural |
| Housing Material | Aluminum |
| Inlet Quantity | 1 |
| Installation Hardware Included | No |
| Package Contents | 1 Fuel Injection Throttle Body |
| Terminal Count | 6 |
| Throttle Body Mounted | Yes |
| Country of Origin | South Korea |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| 161195NA0A | Nissan (OE) |
|---|---|
| 161195NA0B | Nissan (OE) |
| NTB1320 | Interchange |
| RTB1320 | Interchange |