The Walker Products Manifold Absolute Pressure Sensor (part number 225-91017) is a direct-fit replacement for 1990-2011 Buick, Cadillac, Chevrolet, and GMC vehicles with 3.8L, 4.6L, and 5.3L engines. Manifold Absolute Pressure Sensors measure manifold pressure through changing voltage and send this information to the onboard computer. The computer uses this and other inputs to calculate the correct amount of fuel delivered.
Features:
- Engineered for OE Performance: These sensors are meticulously engineered and rigorously tested to meet and exceed OE performance and durability standards, ensuring consistent and accurate pressure readings.
- Robust Construction: Crafted with high-quality materials, these sensors are built to withstand challenging conditions, ensuring long-lasting reliability and reducing the need for frequent replacements.
- Effortless Installation: Designed for easy and straightforward installation, these sensors minimize vehicle downtime during replacement, keeping your vehicle on the road.
- By delivering accurate pressure data, these sensors help the engine's electronic control unit (ECU) optimize the air-fuel mixture, promoting better fuel efficiency, engine performance, and reliable pressure monitoring.
Specifications:
| Number of Terminals | 3 |
| Connector Type | Blade |
| Connector Shape | Rectangle |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 1990-2011 Buick, Cadillac, Chevrolet, GMC, and Hummer models including LaCrosse, LeSabre, Lucerne, Park Avenue, Rainier, Regal, Riviera, DeVille and more — 3.8L, 4.6L, and 5.3L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Forecast MS15, Duralast SU1078DG, Carquest 72-1518, Hella 303-07, Delphi PS10000, General Motors 09359409, General Motors 16187556, General Motors 16249939 and 20 more
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
