The Walker Products Manifold Absolute Pressure Sensor (part number 225-91003) is a direct-fit replacement for 1980-1996 Buick, Cadillac, Chevrolet, and GMC vehicles with 4.3L, 3.8L, and 5.7L 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:
- 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.
- Effortless Installation: Designed for easy and straightforward installation, these sensors minimize vehicle downtime during replacement, keeping your vehicle on the road.
- 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.
- 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.
Specifications:
| Number of Terminals | 3 |
| Connector Type | Bullet |
| Connector Shape | Rectangle |
| Connector Gender | Female |
| Terminal Gender | Female |
Fits: 1980-1996 Buick, Cadillac, Chevrolet, GMC, and Oldsmobile models including Century, Electra, LeSabre, Regal, Riviera, Skyhawk, 60 Special, Allante and more — 4.3L, 3.8L, and 5.7L 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: KEM 145-403, Forecast MS23, Duralast SU127DG, Tomco Products 18002, Hella 303-03, Wells SU127, Wells SU127DG, SMP AS11 and 14 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.
