Emission Systems for 1998 Buick Regal
Select Emission Systems part
Heated Oxygen Sensor
ACDelco
AFS123
GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These...
Positions: Downstream
$61.34
Fits Your Vehicle
Oxygen Sensor Gasket
ACDelco
G18MM
GM Genuine Parts Oxygen Sensor Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM...
$4.50
Fits Your Vehicle
Heated Oxygen Sensor
GM
19178924
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to...
$80.04
MSRP $141.66
Save $61.62
43.5% Off 
Exhaust Gas Recirculation (EGR) Valve Gasket
GM
12567275
Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system operate...
$57.90
MSRP $96.35
Save $38.45
39.9% Off 
Wiring Pigtail
ACDelco
PT3846
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$25.62
Fits Your Vehicle
2-Way Female Gray Multi-Purpose Pigtail
ACDelco
PT307
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$16.90
Fits Your Vehicle
Manifold Absolute Pressure Sensor Seal
ACDelco
16194007
GM Genuine Parts Manifold Absolute Pressure Sensor Seals are designed, engineered, and tested to rigorous standards, and are backed by...
$4.79
Fits Your Vehicle
Vapor Canister Vent Solenoid
ACDelco
214-2308
GM Genuine Parts Vapor Canister Vent Solenoids are designed, engineered, and tested to rigorous standards, and are backed by General...
$25.05
Fits Your Vehicle
Multi-Purpose Wiring Connector
ACDelco
PT1231
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$36.99
Fits Your Vehicle
Multi-Purpose Wiring Connector
ACDelco
PT786
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$27.48
Fits Your Vehicle
Multi Purpose Relay
GM
13500114
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$12.84
MSRP $21.40
Save $8.56
40% Off Fits Your Vehicle
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
3-Way Female Black Multi-Purpose Pigtail
ACDelco
PT782
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$28.69
Fits Your Vehicle
Multi-Purpose Clip
GM
10121502
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$43.00
MSRP $62.80
Save $19.80
31.5% Off 
Wiring Pigtail
ACDelco
PT1910
ACDelco Gold (Professional) Engine Camshaft Position Sensor Connector are a high quality alternative to Original Equipment (OE) parts....
$27.05
Fits Your Vehicle
Multi-Purpose Wire Connector
ACDelco
PT3907
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$54.40
Fits Your Vehicle
Multi-Purpose Clamp
GM
11516234
Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$6.02
MSRP $8.37
Save $2.35
28.1% Off 
Heated Oxygen Sensor
GM
19178958
Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to...
$72.52
MSRP $128.36
Save $55.84
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