Duramax 2001-2011 Water In Filter (WIF) Sensor GM 12639277 SKU: gmc12639277

The GM 12639277 Water In Fuel (WIF) Sensor is an essential component for maintaining your Duramax engine's health. This genuine OEM sensor detects water in the fuel and alerts the engine control module, triggering a shutdown to prevent potential damage. It ensures your engine runs smoothly and efficiently by preventing air leaks and maintaining optimal performance. Reliable and durable, this sensor is crucial for routine maintenance and long-term engine care. A water filter wrench is available separately for ease of installation.
Genuine OEM replacement: Ensures precise fit and function.
Prevents engine damage: Detects water in fuel and triggers shutdown.
Maintains engine performance: Prevents air leaks and optimizes operation.
Routine maintenance: Highly recommended for engine care.
Additional tool available: Water filter wrench sold separately.[...]