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SKP SK2451121 Mass Air Flow Sensor
| Brand | SKP SK2451121 |
|---|---|
| Fits | Chevrolet, Lexus, and Toyota · 20 vehicles |
Direct-fit replacement. Built as a replacement mass air flow sensor for select import and domestic applications.
Airflow measurement. Helps the engine control system calculate fuel delivery from incoming air data.
Cross-references Beck/Arnley 158-0777, Walker Products 245-1121 and 5S2736 for the same application. See all 7.
Mass Air Flow Sensor Overview
The SKP SK2451121 mass air flow sensor is a direct-fit replacement for select Lexus, Chevrolet, and Toyota applications. It is built for vehicles that rely on accurate airflow measurement to maintain proper fuel delivery and engine performance.
Compatible With 2000-2010 Lexus SC430, 2001-2005 Lexus GS430, 2000-2002 Chevrolet Prizm, and 2000-2002 Toyota Corolla.
Key Features
- Direct-fit mass air flow sensor for straightforward replacement.
- Measures incoming air so the engine control system can calculate fuel delivery.
- Fits multiple applications across Lexus, Chevrolet, and Toyota platforms.
- SK2451121 part number for easy identification and ordering.
Detailed Description
The SKP SK2451121 is a replacement mass air flow sensor for vehicles that depend on precise airflow data for drivability and emissions control. When the original sensor becomes inaccurate or fails, the engine may receive incorrect airflow information, which can affect idle quality, throttle response, and fuel mixture control. This part cross-references Beck/Arnley 158-0777 for the same application.
Fitment includes 2002-2010 Lexus SC430, 2001-2005 Lexus GS430, 2000-2002 Chevrolet Prizm, and 2000-2002 Toyota Corolla. The SK2451121 part number also appears in interchange listings as 5S2736, 213-3425, 7450010, and SU5629.
Common Issues It May Address
- Incorrect airflow readings from a failing sensor.
- Rough idle caused by inaccurate air measurement.
- Poor throttle response from unstable fuel calculation.
- Check engine light related to mass air flow sensor faults.
- Fuel mixture problems tied to sensor degradation.
Installation Notes
Verify the connector style and application details against the original sensor before installation. Clean surrounding intake components as needed so the replacement sensor can read airflow accurately. Confirm the part number SK2451121 and vehicle fitment before final assembly.
Quality Assurance
SKP offers this replacement sensor as a fitment-specific aftermarket part for the listed applications. Confirming the correct SK2451121 application before installation helps ensure proper system operation.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2010 | Lexus | SC430 | 4.3L | V8 | — |
| 2009 | Lexus | SC430 | 4.3L | V8 | — |
| 2008 | Lexus | SC430 | 4.3L | V8 | — |
| 2007 | Lexus | SC430 | 4.3L | V8 | — |
| 2006 | Lexus | SC430 | 4.3L | V8 | — |
| 2005 | Lexus | GS430 | 4.3L | V8 | — |
| 2005 | Lexus | SC430 | 4.3L | V8 | — |
| 2004 | Lexus | GS430 | 4.3L | V8 | — |
| 2004 | Lexus | SC430 | 4.3L | V8 | — |
| 2003 | Lexus | GS430 | 4.3L | V8 | — |
| 2003 | Lexus | SC430 | 4.3L | V8 | — |
| 2002 | Chevrolet | Prizm | 1.8L | L4 | — |
| 2002 | Lexus | GS430 | 4.3L | V8 | — |
| 2002 | Lexus | SC430 | 4.3L | V8 | — |
| 2002 | Toyota | Corolla | 1.8L | L4 | — |
| 2001 | Chevrolet | Prizm | 1.8L | L4 | — |
| 2001 | Lexus | GS430 | 4.3L | V8 | — |
| 2001 | Toyota | Corolla | 1.8L | L4 | — |
| 2000 | Chevrolet | Prizm | 1.8L | L4 | — |
| 2000 | Toyota | Corolla | 1.8L | L4 | — |
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