Sensors - Oxygen Sensor <==> O2 or Lambda Sensor):All parts for 1989 BUICKCENTURY
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| Part # | Engine / Misc Description | Part Description | Click to Check Price |
| SG5 | CUSTOM L4-2474 (2.5L) | Upstream Sensor Upstream Sensor  | |
| SG5 | CUSTOM V6-173 (2.8L) | Upstream Sensor Upstream Sensor | |
| SG5 | CUSTOM V6-204 (3.3L) | Upstream Sensor Upstream Sensor | |
| SG5 | ESTATE WAGON L4-2474 (2.5L) | Upstream Sensor Upstream Sensor | |
| SG5 | ESTATE WAGON V6-204 (3.3L) | Upstream Sensor Upstream Sensor | |
| SG5 | LIMITED L4-2474 (2.5L) | Upstream Sensor Upstream Sensor | |
| SG5 | LIMITED V6-173 (2.8L) | Upstream Sensor Upstream Sensor | |
| SG5 | LIMITED V6-204 (3.3L) | Upstream Sensor Upstream Sensor | |
