Sensors - Oxygen Sensor <==> O2 or Lambda Sensor):All parts for 1985 BUICKREGAL
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| Part # | Engine / Misc Description | Part Description | Click to Check Price |
| SG5 | V6-231 (3.8L) | Upstream Sensor Upstream Sensor  | |
| SG5 | V8-305 (5.0L) | Upstream Sensor Upstream Sensor | |
| SG5 | LIMITED V6-231 (3.8L) | Upstream Sensor Upstream Sensor | |
| SG5 | LIMITED V8-305 (5.0L) | Upstream Sensor Upstream Sensor | |
| SG5 | T-TYPE V6-231 (3.8L) | Upstream Sensor Upstream Sensor | |
| SG5 | V8-350 (5.7L) | Upstream Sensor Upstream Sensor | |
| SG5 | GRAND NATIONAL V6-231 (3.8L) | Upstream Sensor Upstream Sensor | |
