Product Description
Genuine GM 25203651 TMAP Sensor
OEM 4-Wire TMAP Sensor for 2015+ LT4 & LT5 Supercharged Gen V Engines
The Genuine GM 25203651 TMAP sensor is an OEM replacement designed specifically for 2015 and newer LT4 and LT5 supercharged Gen V engines. This factory 4-wire TMAP sensor accurately measures both manifold absolute pressure and intake air temperature, providing the ECU with critical data needed for precise fueling, ignition timing, and boost control under high-performance conditions.
In addition to being the correct OEM replacement for LT4 and LT5 applications, this sensor is also commonly required when performing LT4 supercharger conversions on LT1, L83, and L86 engines. Manufactured to strict GM specifications, it delivers the reliability, accuracy, and durability expected from Genuine GM components.
Key Features & Benefits
- Genuine GM OEM Sensor: Designed, engineered, and validated by GM to meet factory fit, form, and function requirements.
- 4-Wire TMAP Design: Accurately reads both intake air temperature and manifold pressure for precise engine management.
- LT4 & LT5 Supercharged Applications: Correct OEM replacement for factory supercharged Gen V engines.
- Common Swap Component: Required when installing LT4 superchargers onto LT1, L83, or L86 engines.
- Updated GM Design: Supersedes previous GM part numbers 12612111 and 12644807.
Supersedes
- GM #12612111
- GM #12644807
Fitment
- 2015-Later LT4 Supercharged Gen V Engines
- 2015-Later LT5 Supercharged Gen V Engines
Applications Include (Supercharged 6.2L Models)
- CADILLAC CTS 2014-2019
- CADILLAC ESCALADE 2023-2025
- CHEVROLET CAMARO 2016-2024
- CHEVROLET CORVETTE 2015-2019