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Motorad 3MF139 Mass Air Flow Sensor
| Brand | Motorad 3MF139 |
|---|---|
| Terminal Type | Blade |
| Mounting Hardware Included | No |
| Bracket Included | No |
| Wire Quantity | 3 |
| Connector Quantity | 1 |
| Connector Shape | H |
| Terminal Quantity | 3 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Mounting Bracket Included | No |
| Fits | Kia · 5 vehicles |
OE-spec design. Meets or exceeds OEM specifications for dependable engine management.
Precision airflow sensing. Measures incoming air to help support optimum fuel combustion.
Contamination-resistant build. Engineered to reduce contamination and withstand vibration for durability.
Cross-references Motorad 3MF139, 0K32A13210 and 917856 for the same application. See all 3.
Mass Air Flow Sensor for Kia Rio
The MotoRad 3MF139 mass air flow sensor measures incoming air and sends that data to the ECU for fuel control. Built for 2001-2005 Kia Rio applications, this sensor is designed for stable signal output, contamination resistance, and vibration durability in everyday engine management service.
Key Features
- Direct-fit mass air flow sensor for 2001-2005 Kia Rio
- Measures intake airflow for ECU fuel calculation
- Blade terminals with 3-wire, 1-connector design
- Female H-style connector with male terminals
- Engineered to reduce contamination and handle vibration
- Manufactured to meet or exceed OEM specifications
- Part number: 3MF139
Detailed Description
MotoRad 3MF139 is a replacement mass air flow sensor for the Kia Rio, 2001-2005. It is built to provide accurate airflow measurement so the engine control unit can manage air-fuel delivery with the correct input. The sensor uses a 3-wire layout, blade terminals, and a single female H-shaped connector for the specified application. MotoRad manufactures this part in IATF 16949 facilities and backs the engine management line with a limited lifetime warranty. Cross-reference part numbers for this application include 0K32A13210 and 917856.
Common Issues This Part May Address
- Rough idle caused by inaccurate airflow readings
- Hesitation or poor throttle response on a Kia Rio
- Check engine light related to mass air flow sensor performance
- Fuel mixture problems from incorrect ECU air data
- Driveability concerns tied to contamination or vibration-related sensor wear
Installation Notes and Tips
Verify connector shape, terminal count, and wire quantity before installation. Inspect the intake tract, air filter housing, and wiring connector for contamination or damage before replacing the sensor. Confirm the vehicle is a 2001-2005 Kia Rio and match the original sensor configuration to the 3MF139 before final installation.
Quality Assurance
MotoRad designs this mass air flow sensor to meet or exceed OEM specifications and produces it in IATF 16949 manufacturing facilities. The engine management product line includes a limited lifetime warranty.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2005 | Kia | Rio | 1.6L | L4 | — |
| 2004 | Kia | Rio | 1.6L | L4 | — |
| 2003 | Kia | Rio | 1.6L | L4 | — |
| 2002 | Kia | Rio | 1.5L | L4 | — |
| 2001 | Kia | Rio | 1.5L | L4 | — |
| No rows match your filter. | |||||