OE Quality
60-Day Returns

Wix 33503 Fuel Filter
Overview of Wix 33503 Fuel Filter for Dodge, Mitsubishi, and Toyota
The Wix 33503 fuel filter is designed for reliable fuel filtration in select Dodge, Mitsubishi, and Toyota vehicles, including the Mighty Max, Ram 50, and Supra models. This complete in-line fuel filter helps maintain engine performance by effectively removing contaminants from the fuel system.
- Class W fuel filter with a 15-micron filtration rating
- Cellulose media material for efficient particle capture
- Height of 4.445 inches for proper fitment
- Inlet size: 12x1.25 mm; Outlet size: 14x1.5 mm
- Outer diameter top measures 2.756 inches; inner diameter top is closed
- Designed as a complete in-line fuel filter for light-duty applications
Technical Details and Specifications
The Wix 33503 fuel filter features a cellulose media material that provides a 15-micron filtration level, effectively capturing dirt and debris to protect the fuel injectors and engine components. Its height of 4.445 inches and inlet/outlet dimensions (12x1.25 mm inlet and 14x1.5 mm outlet) ensure compatibility with the fuel lines of Dodge Mighty Max, Mitsubishi Ram 50, and Toyota Supra vehicles. The closed inner diameter top and 2.756-inch outer diameter top contribute to a secure and leak-free installation. This filter is classified as Class W and intended for light-duty (Ld) use, making it suitable for maintaining fuel system integrity in these specific models.
Compatible Vehicles and Applications
This Wix fuel filter part number 33503 is compatible with the following vehicles:
- Dodge Mighty Max
- Mitsubishi Ram 50
- Toyota Supra
It is designed to fit fuel systems requiring a complete in-line filter with the specified inlet and outlet sizes, ensuring proper fuel flow and filtration.
Common Issues Addressed by Wix 33503 Fuel Filter
- Prevents fuel contamination that can cause engine misfires or poor performance
- Reduces clogging of fuel injectors and carburetors
- Helps avoid fuel pump damage due to debris
- Maintains consistent fuel pressure for optimal engine operation
- Minimizes risk of engine stalling caused by fuel flow restrictions
Installation Notes and Tips
- Ensure the fuel system is depressurized before removing the old filter
- Verify inlet and outlet sizes match the vehicle’s fuel lines (12x1.25 mm inlet, 14x1.5 mm outlet)
- Install the filter in the correct fuel flow direction as indicated on the filter body
- Check for leaks after installation and tighten fittings as necessary
- Replace fuel filter at manufacturer-recommended intervals or when fuel system issues arise
Quality Assurance and Warranty
Wix filters are manufactured to meet industry standards for filtration efficiency and durability. The 33503 fuel filter undergoes rigorous quality control to ensure consistent performance in compatible Dodge, Mitsubishi, and Toyota vehicles. Warranty coverage details should be confirmed with the product documentation or authorized distributors.
| Brand | Wix |
| Part Number | 33503 |
| Class | W |
| Duty Type | LD |
| Height | 4.445 |
| Inlet | 12X1.25 MM |
| Inner Diameter Top | Closed |
| Media Material | Cellulose |
| Micron | 15.00 |
| Outer Diameter Top | 2.756 |
| Outlet | 14X1.5 MM |
| Style | Fuel (Complete In-Line) Filter |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1996 | Mitsubishi | Mighty Max | 2.4L | L4 | N/A | ||
| 1995 | Mitsubishi | Mighty Max | 2.4L | L4 | N/A | ||
| 1994 | Mitsubishi | Mighty Max | 2.4L | L4 | N/A | ||
| 1993 | Dodge | Ram 50 | RWD | 2.4L | L4 | N/A | |
| 1993 | Mitsubishi | Mighty Max | 2.4L | L4 | N/A | ||
| 1992 | Dodge | Ram 50 | RWD | 2.4L | L4 | N/A | |
| 1992 | Mitsubishi | Mighty Max | 2.4L | L4 | N/A | ||
| 1992 | Toyota | Supra | 3.0L | L6 | N/A | ||
| 1991 | Dodge | Ram 50 | RWD | 2.4L | L4 | N/A | |
| 1991 | Dodge | Ram 50 | RWD | 3.0L | V6 | N/A | |
| 1991 | Mitsubishi | Mighty Max | RWD | 2.4L | L4 | N/A | |
| 1991 | Mitsubishi | Mighty Max | RWD | 3.0L | V6 | N/A | |
| 1991 | Toyota | Supra | 3.0L | L6 | N/A | ||
| 1990 | Dodge | Ram 50 | RWD | 2.4L | L4 | N/A | |
| 1990 | Dodge | Ram 50 | RWD | 3.0L | V6 | N/A | |
| 1990 | Mitsubishi | Mighty Max | 2.4L | L4 | N/A | ||
| 1990 | Toyota | Supra | 3.0L | L6 | N/A | ||
| 1989 | Toyota | Supra | 3.0L | L6 | N/A | ||
| 1988 | Toyota | Supra | 3.0L | L6 | N/A | ||
| 1987 | Toyota | Supra | 3.0L | L6 | N/A | ||
| 1986 | Toyota | Supra | 3.0L | 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.