Emission Systems for 1989 Buick Regal
Select Emission Systems part
Multi-Purpose Wire Connector
ACDelco
PT2319
ACDelco Gold (Professional) Throttle Position Sensor Connector are a high quality alternative to Original Equipment (OE) parts. ACDelco...
$27.79
Fits Your Vehicle
Oxygen Sensor
GM
19211437
Detects oxygen content in the exhaust gases to help optimize emissions This GM Genuine Part is designed, engineered, and tested to...
$20.86
MSRP $34.76
Save $13.90
40% Off 
Multi-Purpose Wire Connector
ACDelco
PT2164
ACDelco Gold (Professional) Air Charge Temperature Sensor Connector are a high quality alternative to Original Equipment (OE) parts....
$7.19
Fits Your Vehicle
Multi-Purpose Nut
ACDelco
11517996
GM Genuine Parts Nuts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are...
$4.85
Fits Your Vehicle
Multi-Purpose Wire Connector
ACDelco
PT3910
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$21.85
Fits Your Vehicle
Vapor Canister
GM
17090139
All models. Without variable fuel. Corvette. Egr valve & sensors. 3.4L.
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