EMISSION SYSTEM. EMISSION COMPONENTS. 2. 2 liter. 2. 4 liter. 3. 4 liter. To converter. To manifold.. 1991 Buick Century

Manifold Absolute Pressure Sensor
3.4 liter.

12569240 View Product

Oxygen Sensor
2.4 liter. to manifold.

19211437 View Product

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2. 2 liter. 2. 4 liter. 3. 4 liter. To converter. To manifold.

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