Walker Barometric Pressure Sensor (BPS) 03-05 GM 6.6L Duramax LB&/LLY MBRP-S6212409 Then we've got the pump

Then we've got the pump for you

From light duty to extreme use

Choose from three different options to match your build:

screwdriver

Walker Barometric Pressure Sensor (BPS) 03-05 GM 6.6L Duramax LB&/LLY MBRP-S6212409 Then we've got the pumpIs your truck running inconsistently, lacking power at elevation, or throwing codes tied to air fuel calculations? The Walker Barometric Pressure Sensor is the key to restoring accurate atmospheric readings so your engine can properly adjust fueling and performance in any condition. When this sensor fails, your truck loses its ability to compensate for altitude and air density, leading to poor efficiency, sluggish power, and unreliable drivability.