Part Number: GM 12694431 (Lower MAP Sensor – diagram #21). The most common MAP (Manifold Absolute Pressure) sensor issue on the L5P Duramax is clogging caused by soot buildup from the EGR (Exhaust Gas Recirculation) system.
GM TP1014 / 84932999 Fuel Filter Housing 2017–2019 Silverado Sierra L5P Duramax
2017–2019 Silverado Sierra L5P Duramax Fuel Filter Housing Cap TP1014 / 84932999
2017-2025 Engine Coolant Thermostat Housing Silverado Sierra L5P Duramax Diesel
Genuine OEM GM 12694431 Lower MAP Sensor 2023–2025 Silverado Sierra L5P Duramax
Edge Products EZ Performance Chip Module for 24-25 Silverado Sierra L5P Duramax
Edge Products EZ Module w/ CTS3 Tuner for 24-25 Silverado Sierra L5P Duramax
