Dorman 904-473 Water in Fuel (WiF) Sensor Replacement

The Dorman 904-473 Water in Fuel (WiF) Sensor is a direct-fit OE replacement sensor engineered to detect elevated water levels in diesel fuel systems. When water contamination is detected, the sensor triggers a dashboard warning signal, allowing the driver to take corrective action before damage occurs to fuel injectors, fuel system components, or the engine.

Key Features:

• OE-matching performance — designed to match the function and fit of the original equipment sensor
• Durable construction — built from quality materials engineered to withstand continuous exposure to diesel fuel
• Protects the fuel system — activates a warning signal to alert against water contamination, fuel system corrosion, and potential engine damage
• Quality tested — undergoes vehicle try-on and bench testing to ensure proper fit and long service life
• Trusted brand — backed by over 100 years of Dorman's automotive replacement parts expertise

The Dorman 904-473 is a cost-effective solution for restoring proper diesel fuel system monitoring. It installs in the factory location and maintains OE-level performance, making it an ideal choice for professional technicians and experienced DIYers alike.