Dorman 977-234 fuel injection throttle body for the 2019-2023 Nissan Altima 4-cylinder 2.0L and other vehicles regulates the air that enters the engine. Original throttle bodies often fail when moisture and oil intrusion foul the internal electronics, and this one is built to address that.
- Dorman OE FIX line
- Sensor Shield technology, a proprietary butterfly shaft seal that helps keep contamination away from the internal electronics
- New aluminum housing with a natural finish
- Complies with Federal Motor Vehicle Safety Standards (FMVSS) and is endurance-proven with over 1 million cycle tests
Quick facts
- Part: Dorman 977-234 fuel injection throttle body
- Fits: 2019-2023 Nissan Altima 4-cylinder 2.0L and other vehicles
- Material: Aluminum
- Condition: New
An erratic idle, a warning light or a stored DTC can come from oil intrusion or dirt and carbon buildup in the throttle body. These signs alone do not prove the throttle body is at fault, since a vacuum leak is another common cause. This listing is one throttle body, and the engine uses one.
Fits
This throttle body fits the 2019-2023 Nissan Altima 4-cylinder 2.0L, the 2019-2023 Infiniti QX50 4-cylinder 2.0L and the 2022 Infiniti QX55 4-cylinder 2.0L.
Specifications
Fit and size
- Quantity per vehicle: 1
- Inlet diameter: 61 mm, flanged
- Outlet diameter: 60 mm, non-flanged
- Connector: male pin, 6 terminals
Build and materials
- Type: electronic fuel injection throttle body
- Housing material: Aluminum, natural finish
- Throttle position sensor: included
- Condition: New
- Country of origin: Republic of Korea
In the box
One fuel injection throttle body. A gasket or seal, mounting hardware and installation hardware are not included, and the old fasteners may not be reusable, so plan on new ones.
Interchange: RTB1320 · NTB1320 · 161195NA0A · 161195NA0B
This part cross-references / interchanges with the following part numbers:
RTB1320, NTB1320, 161195NA0A, 161195NA0B
Frequently Asked Questions
Will the Dorman 977-234 throttle body fit a 2019-2023 Nissan Altima 4-cylinder 2.0L?
Yes. Dorman 977-234 fits the 2019-2023 Nissan Altima 4-cylinder 2.0L, and it also fits the 2019-2023 Infiniti QX50 4-cylinder 2.0L.
Does the Dorman fuel injection throttle body come with a gasket or mounting bolts?
No. The Dorman 977-234 is one throttle body with its throttle position sensor, and no gasket or seal, mounting hardware or installation hardware is included.
What are the inlet and outlet sizes on this throttle body?
The inlet is 61 mm and flanged. The outlet is 60 mm and non-flanged.
What can cause a rough idle or warning light on an electronic throttle body?
Oil intrusion or dirt and carbon buildup in the throttle body can cause an erratic idle, a warning light or a stored DTC. A shop can confirm the cause with a scan.
What does the Sensor Shield seal on this throttle body do?
It is a proprietary butterfly shaft seal designed to keep moisture and oil away from the internal electronics, the way original throttle bodies often fail.
