12729495 Genuine GM Throttle Body Assembly With Sensor
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Unit Auto Parts LLC provides a complimentary 2-Year Warranty on all automotive parts. Shop with confidence knowing your purchase is protected. Learn More
The 12729495 throttle body assembly regulates airflow entering the engine intake for compatible Cadillac, Chevrolet, and GMC vehicles. It combines electronic throttle operation with position sensing to maintain accurate airflow adjustment as engine demand changes during normal vehicle operation.
| Year | Vehicle | Engine | Trims |
|---|---|---|---|
| 2021 | Cadillac Escalade | 6.2L V8 - Gas | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum |
| 2021 | Cadillac Escalade ESV | 6.2L V8 - Gas | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum |
| 2021 | Chevrolet Silverado 2500 HD | 6.6L V8 - Flex / 6.6L V8 - Gas | Custom, High Country, LT, LTZ, WT |
| 2021 | Chevrolet Silverado 3500 HD | 6.6L V8 - Flex / 6.6L V8 - Gas | High Country, LT, LTZ, WT |
| 2021 | Chevrolet Suburban | 6.2L V8 - Gas | High Country |
| 2021 | Chevrolet Tahoe | 6.2L V8 - Gas | High Country |
| 2021 | GMC Sierra 2500 HD | 6.6L V8 - Flex / 6.6L V8 - Gas | AT4, Base, Denali, SLE, SLT |
| 2021 | GMC Sierra 3500 HD | 6.6L V8 - Flex / 6.6L V8 - Gas | AT4, Base, Denali, SLE, SLT |
| 2021 | GMC Yukon | 6.2L V8 - Gas | Denali |
| 2021 | GMC Yukon XL | 6.2L V8 - Gas | Denali |
| 2020 | Cadillac Escalade | 6.2L V8 - Flex / 6.2L V8 - Gas | Base, Luxury, Platinum, Premium Luxury |
| 2020 | Chevrolet Silverado 2500 HD | 6.6L V8 - Gas | Custom, High Country, LT, LTZ, WT |
| 2020 | Chevrolet Silverado 3500 HD | 6.6L V8 - Gas | High Country, LT, LTZ, WT |
| 2020 | GMC Sierra 2500 HD | 6.6L V8 - Gas | AT4, Base, Denali, SLE, SLT |
| 2020 | GMC Sierra 3500 HD | 6.6L V8 - Gas | AT4, Base, Denali, SLE, SLT |
| 2019 | Cadillac Escalade ESV | 6.2L V8 - Flex / 6.2L V8 - Gas | Base, Luxury, Platinum, Premium Luxury |
| 2019 | Chevrolet Silverado 2500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | High Country, LT, LTZ, WT |
| 2019 | Chevrolet Silverado 3500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | High Country, LT, LTZ, WT |
| 2019 | Chevrolet Suburban 3500 HD | 6.0L V8 - Flex | LS, LT |
| 2019 | GMC Sierra 2500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | Base, Denali, SLE, SLT |
| 2019 | GMC Sierra 3500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | Base, Denali, SLE, SLT |
| 2018 | Cadillac Escalade ESV | 6.2L V8 - Flex / 6.2L V8 - Gas | Base, Luxury, Platinum, Premium Luxury |
| 2018 | Chevrolet Silverado 2500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | High Country, LT, LTZ, WT |
| 2018 | Chevrolet Silverado 3500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | High Country, LT, LTZ, WT |
| 2018 | Chevrolet Suburban 3500 HD | 6.0L V8 - Flex / 6.0L V8 - Gas | LS, LT |
| 2018 | GMC Sierra 2500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | Base, Denali, SLE, SLT |
| 2018 | GMC Sierra 3500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | Base, Denali, SLE, SLT |
| 2017 | Cadillac Escalade ESV | 6.2L V8 - Flex / 6.2L V8 - Gas | Base, Luxury, Platinum, Premium Luxury |
| 2017 | Chevrolet LCF 3500 | 6.0L V8 - Flex / 6.0L V8 - Gas | Base |
| 2017 | Chevrolet Silverado 2500 HD | 6.0L V8 - Flex / 6.0L V8 - Gas | High Country, LT, LTZ, WT |
| 2017 | Chevrolet Silverado 3500 HD | 6.0L V8 - Flex / 6.0L V8 - Gas | High Country, LT, LTZ, WT |
| 2017 | Chevrolet Suburban 3500 HD | 6.0L V8 - Flex / 6.0L V8 - Gas | LS, LT |
| 2017 | GMC Sierra 2500 HD | 6.0L V8 - Flex / 6.0L V8 - Gas | Base, Denali, SLE, SLT |
| 2017 | GMC Sierra 3500 HD | 6.0L V8 - Flex / 6.0L V8 - Gas | Base, Denali, SLE, SLT |
| 2016 | Cadillac Escalade ESV | 6.2L V8 - Flex / 6.2L V8 - Gas | Base, Luxury, Platinum, Premium |
| 2016 | Chevrolet LCF 3500 | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | Base |
| 2016 | Chevrolet Silverado 2500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | High Country, LT, LTZ, WT |
| 2016 | Chevrolet Silverado 3500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | High Country, LT, LTZ, WT |
| 2016 | Chevrolet Suburban 3500 HD | 6.0L V8 - Flex / 6.0L V8 - Gas | LS, LT |
| 2016 | GMC Sierra 2500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | Base, Denali, SLE, SLT |
| 2016 | GMC Sierra 3500 HD | 6.0L V8 - CNG / 6.0L V8 - Flex / 6.0L V8 - Gas | Base, Denali, SLE, SLT |
| 2015 | Cadillac Escalade | 6.2L V8 - Flex / 6.2L V8 - Gas | Base, Luxury, Platinum, Premium |
| 2015 | Cadillac Escalade ESV | 6.2L V8 - Flex / 6.2L V8 - Gas | Base, Luxury, Platinum, Premium |
| 2015 | GMC Yukon | 6.2L V8 - Flex / 6.2L V8 - Gas | Denali |
| Condition | New |
| Part Number | 12729495 |
| Brand | General Motors |
| Part Type | Throttle Body Assembly With Sensor |
| Years | 2015–2021 |
| Vehicle | Cadillac / Chevrolet / GMC |
| Fitment Type | Direct Replacement |
The 12729495 throttle body assembly controls intake airflow while providing position feedback required by the electronic engine control system:
The 12729495 is designed for compatible Cadillac, Chevrolet, and GMC vehicles equipped with the applicable throttle body and electronic control configuration. Inspect the sealing surface, intake passage, electrical connector, and nearby intake components before installation.
Always verify part number, engine setup, electronic throttle configuration, and vehicle compatibility before installation.