SKP SK2451052 Mass Air Flow Sensor

Mass Air Flow Sensor Overview

The SKP SK2451052 mass air flow sensor is a direct-fit emission control sensor for select GM applications. It is used to measure incoming air so the engine control system can calculate fuel delivery accurately. This part number, SK2451052, is listed for Buick, Chevrolet, and Pontiac models from 1999 through 2004.

Key Features

• Direct-fit mass air flow sensor for emission control service
• Fits select Buick Regal, LeSabre, Park Avenue, and Riviera applications
• Fits select Chevrolet Camaro, Impala, Lumina, and Monte Carlo applications
• Fits select Pontiac Bonneville, Firebird, Grand Prix, and related applications
• Cross-references Hitachi Automotive MAF0047, 2451052, 7450015, 8650015, and Walker Products 245-1052 for the same application

Detailed Description

SK2451052 is a replacement mass air flow sensor for vehicles that rely on precise airflow measurement for fuel management and emissions control. When the sensor signal becomes inaccurate, drivability and fuel control can suffer. This SKP sensor is cataloged for 1999-2004 Buick Regal, 1999-2002 Buick LeSabre, 1999-2002 Buick Park Avenue, 1999 Buick Riviera, 1999-2002 Chevrolet Camaro, 2000-2002 Chevrolet Impala, 1999 Chevrolet Lumina, 1999-2002 Chevrolet Monte Carlo, 1999-2003 Pontiac Bonneville, 1999-2002 Pontiac Firebird, and 1999-2003 Pontiac Grand Prix. If you are replacing a failing SK2451052 unit, this part number is listed for the same applications as several common interchange references.

What It Is Used For

• Restoring accurate airflow measurement
• Addressing rough idle caused by incorrect air metering
• Correcting hesitation or poor throttle response linked to sensor signal errors
• Resolving fuel trim issues caused by inaccurate intake air data
• Replacing a failed emission control sensor in supported GM vehicles

Installation Notes and Tips

Verify the connector style and application details against the original sensor before installation. Confirm the vehicle year, make, and model match the listed fitment for SK2451052. After installation, clear any stored diagnostic trouble codes and recheck engine operation to confirm the airflow signal is being read correctly.

Quality Assurance

SKP catalogs this mass air flow sensor as a replacement part for the listed applications. The part number SK2451052 is also referenced by Hitachi Automotive MAF0047 and Walker Products 245-1052 for the same fitment group.