Walker 225-1172 Manifold Absolute Pressure Sensor Fits select: 2004-2005 CHEVROLET IMPALA, 2004-2005 PONTIAC GRAND AM

Walker Products 225-1172 Manifold Absolute Pressure Sensor. Walker Products 225-1172 Manifold Absolute Pressure Sensor. Walker Products Manifold Absolute Pressure (MAP) Sensors are OE Replacement components designed to measure the pressure within the intake manifold and communicate that data to the engine control module (ECM). This allows the ECM to calculate engine load and adjust fuel injection and ignition timing for optimal power output, fuel efficiency, and emissions performance. MAP sensors play a critical role in modern engine management systems and are used across gasoline and diesel platforms. Each Walker MAP Sensor is engineered to meet OE specifications for electrical output, pressure range, and connector fit, ensuring seamless integration with the vehicle’s existing system. Built to withstand high engine bay temperatures, vibration, and potential intake air contaminants, these sensors are tested for accuracy, responsiveness, and long-term reliability. Whether addressing drivability issues, check engine codes, or restoring performance, Walker Products delivers OE-level quality in every MAP Sensor replacement.

Walker 225-1172 Manifold Absolute Pressure Sensor

Fits Select:
2004-2005 CHEVROLET IMPALA 6 Cyl 3.4 L
2004-2005 PONTIAC GRAND AM 6 Cyl 3.4 L
2004-2005 BUICK CENTURY 6 Cyl 3.1 L
2004-2005 BUICK RENDEZVOUS 6 Cyl 3.4 L
2004-2005 CHEVROLET VENTURE 6 Cyl 3.4 L
2004-2005 CHEVROLET MONTE CARLO 6 Cyl 3.4 L
2004 OLDSMOBILE ALERO 6 Cyl 3.4 L
2004-2005 PONTIAC AZTEK 6 Cyl 3.4 L
2005 PONTIAC MONTANA 6 Cyl 3.4 L
2004 OLDSMOBILE SILHOUETTE 6 Cyl 3.4 L
2006-2009 CADILLAC STS 8 Cyl 4.4 L
2008 CADILLAC XLR 8 Cyl 4.4 L
2009 CADILLAC XLR-V 8 Cyl 4.4 L
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Manufacturer part number	225-1172
Vehicle make	Chevrolet
Vehicle model	2251172
Vehicle year	2004, 2005, 2006, 2007, 2008, 2009
Compatibility	2004-2005 CHEVROLET IMPALA, 2004-2005 PONTIAC GRAND AM, 2004-2005 BUICK CENTURY, 2004-2005 BUICK RENDEZVOUS, 2004-2005 CHEVROLET VENTURE, 2004-2005 CHEVROLET MONTE CARLO, 2004 OLDSMOBILE ALERO, 2004-2005 PONTIAC AZTEK, 2005 PONTIAC MONTANA, 2004 OLDSMOBILE SILHOUETTE, 2006-2009 CADILLAC STS, 2008 CADILLAC XLR, 2009 CADILLAC XLR-V
Compatible cars	2004-2005 CHEVROLET IMPALA, 2004-2005 PONTIAC GRAND AM, 2004-2005 BUICK CENTURY, 2004-2005 BUICK RENDEZVOUS, 2004-2005 CHEVROLET VENTURE, 2004-2005 CHEVROLET MONTE CARLO, 2004 OLDSMOBILE ALERO, 2004-2005 PONTIAC AZTEK, 2005 PONTIAC MONTANA, 2004 OLDSMOBILE SILHOUETTE, 2006-2009 CADILLAC STS, 2008 CADILLAC XLR, 2009 CADILLAC XLR-V
Vehicle fitment type	Universal
Brand	Walker
Rec. use	Automotive
Pieces	1
Model	2251172
Vehicle type	Car, Truck, Sport Utility Vehicle, CUV, Crossover & Minivan
Has nrtl listing certification	N
Assembled product weight	0.07 lb