First, Add Your Vehicle
Get an exact fit for your vehicle.
Tap image to zoom
Dorman Coolant Filler Neck 902-305Shop All Dorman
Part # 902-305
SKU # 20106
Price Not Available
Re-engineered to address common failure points in the original equipment, Dormans engine coolant filler neck has improved durability and resistance. It withstands the extreme changes in temperature that frequently cause housing to become brittle, crack and leak. This is more than a replacement; it’s an upgrade. Maintain the steady flow of coolant and lessen the chances of overheating.
- Direct replacement for a proper fit every time
- Tubes slide on for easy installation
- High-quality plastic or metal construction
- Includes all hardware necessary for a complete repair (where applicable)
- Coolant Level Sensor Connector
- Coolant Overflow Tank
- Coolant Reservoir Cap / Radiator Cap
- Coolant Temperature Sensor
- Hose (Lower)
- Hose (Upper)
- Radiator Cooling Fan Motor Relay
- Radiator Drain Plug
- Radiator Fan Assembly
- Radiator Fan Motor Connector
- Sensor - Radiator Coolant Level
- Thermostat Gasket
Advice and How-To's
- How to Change a Radiator Valve
- Why is my car overheating?
- Your Antifreeze/Coolant Questions Answered
- Understanding Different Types of Antifreeze
- How To Find and Fix Coolant Leaks
- How to Check Your Coolant Level
- What Is Antifreeze and What Does It Do?
- How the Cooling System Works and How to Maintain It
- What's Causing My Coolant Reservoir to Overflow?
- How to Flush a Radiator