OE Quality
60-Day Returns

Dorman 904-463 Fuel Water Separator Drain Valve
Reliable Fuel Water Separator Drain Valve for Dodge Ram 2500 and 3500
The Dorman 904-463 Fuel Water Separator Drain Valve is designed to maintain the integrity of your diesel fuel system by efficiently removing water contaminants. Specifically engineered for Dodge Ram 2500 and Ram 3500 models, this serviceable valve ensures consistent fuel quality and engine performance.
Key Features of the Dorman 904-463 Drain Valve
- Inlet thread diameter of 0.29 inches for secure hose connections
- Constructed with durable black plastic housing material
- Includes mounting hardware for straightforward installation
- Serviceable filter bowl drain valve type for easy maintenance
- Comes with 3 o-rings and 4 screws for a complete setup
- Hose barb inlet and outlet attachment types with 0.15-inch outlet diameter
- Gasket dimensions: thickness between 1.8 and 2.6 mm, inside diameter 7.65 to 104 mm, outside diameter 11.2 to 109.2 mm
- Overall length of 3.5 inches for compact fitment
- Compatible with diesel fuel systems
- Marine approved for additional application versatility
Detailed Description of the Dorman 904-463 Fuel Water Separator Drain Valve
This fuel water separator drain valve is engineered to fit Dodge Ram 2500 and Ram 3500 diesel trucks, providing a reliable solution to drain water from the fuel filter bowl. The plastic housing offers corrosion resistance, while the included mounting hardware and o-rings ensure a secure and leak-free installation. The hose barb inlet and outlet attachment types facilitate easy connection to existing fuel lines. Its serviceable design allows for routine maintenance, helping to extend the life of your fuel system components.
Common Applications and Issues Addressed
- Prevents water contamination in diesel fuel systems
- Reduces risk of engine misfires caused by water in fuel
- Helps avoid fuel filter clogging and premature wear
- Facilitates routine draining of water from fuel filter bowls
- Supports maintaining optimal fuel system performance in Dodge Ram 2500 and 3500 trucks
Installation Notes and Tips
- Ensure the vehicle is turned off and cooled before installation
- Use the included mounting hardware and o-rings for proper sealing
- Verify hose barb connections are secure to prevent leaks
- Regularly inspect and service the valve to maintain fuel system integrity
- Consult the vehicle’s service manual for specific fuel system procedures
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 904-463 Fuel Water Separator Drain Valve is backed by Dorman’s quality assurance processes. Please refer to Dorman’s official warranty policy for detailed coverage information.
| Brand | Dorman |
| Part Number | 904-463 |
| Color/Finish | Black |
| Fittings Included | No |
| Fuel System Type | Diesel |
| Gasket Inside Diameter | 7.65 |
| Gasket Inside Diameter | 104 |
| Gasket Outside Diameter | 11.2 |
| Gasket Outside Diameter | 109.2 |
| Gasket Thickness | 1.8 |
| Gasket Thickness | 2.6 |
| Housing Material | Plastic |
| Inlet Attachment Type | Hose Barb |
| Inlet Thread Diameter | 0.29 |
| Marine Approved | No |
| Marine Approved | Yes |
| Mounting Hardware Included | Yes |
| Outlet Attachment Type | Hose Barb |
| Outlet Diameter (in) | 0.15 in |
| Overall Length (In) | 3.5 in |
| Package Contents | 1 Drain Valve; 3 O-Rings; 4 Screws |
| Port Quantity | 0 |
| Reservoir Included | No |
| Serviceable | Yes |
| Type | Filter Bowl Drain Valve |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2001 | Dodge | Ram 3500 | 5.9L | L6 | N/A | |
| 2000 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2000 | Dodge | Ram 3500 | 5.9L | L6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.