This is a Genuine OEM GM Fuel Injection Throttle Body Assembly with Sensor, designed as a direct replacement for Cadillac CTS and Escalade, Chevrolet Camaro, Corvette, Silverado 1500, Suburban, and Tahoe, as well as GMC Sierra 1500, Yukon, and Yukon XL. It is an 87mm electronic, drive-by-wire throttle body unit featuring an integrated electronic throttle body actuator and sensor.
Genuine GM Fuel Injection Throttle Bodies are designed, engineered, and tested to rigorous OEM standards; mounted on the intake manifold, the throttle plate controls airflow into the engine for precise performance. This unit fits 6.0L V8 and 6.2L V8 engines and is also ideal for upgrading L83 engines to higher-flowing L86, LT1, or LT2 intake manifolds. It includes the electronic throttle body actuator and replaces superseded part 12678312, making it a complete, plug-and-play assembly requiring no mechanical throttle cable.
Quick Part Facts
- Condition: New OEM GM Genuine Part
- Part Type: Fuel Injection Throttle Body Assembly with Sensor
- Design: 87mm Electronic Drive-By-Wire (no mechanical throttle cable)
- Includes: Electronic Throttle Body Actuator and Sensor
- Compatible Engines: 6.0L V8, 6.2L V8
- Upgrade-Friendly: Ideal for L83-to-L86, LT1, or LT2 intake manifold upgrades
- Manufacturer Warranty: 1 Year
Fitment
| Year Range |
Make |
Model |
Trim/Engine |
Notes/Options |
| 2014–2021 |
Chevrolet |
Corvette |
6.2L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2014–2021 |
Chevrolet |
Silverado 1500 |
6.2L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2014–2021 |
GMC |
Sierra 1500 |
6.2L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2016–2021 |
Chevrolet |
Camaro |
6.2L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2015–2021 |
Cadillac |
Escalade |
6.2L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2016–2019 |
Cadillac |
CTS |
6.2L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2016–2021 |
Chevrolet |
Suburban |
6.2L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2018–2021 |
Chevrolet |
Tahoe |
6.2L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2016–2021 |
GMC |
Yukon |
6.2L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2015–2021 |
GMC |
Yukon XL |
6.2L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2014–2021 |
Chevrolet |
Silverado |
6.0L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2014–2021 |
GMC |
Sierra |
6.0L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |
| 2015–2021 |
Chevrolet |
Suburban 3500HD |
6.0L V8 |
87mm electronic throttle body; includes electronic throttle actuator; drive-by-wire design |