Emission Systems for 1999 GMC Sonoma
Select Emission Systems part
Power Brake Booster Vacuum Tube Fitting
ACDelco
12602245
GM Genuine Parts Vacuum Line Fittings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM...
Fits Your Vehicle
Multi-Purpose Wiring Connector
ACDelco
PT247
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
Fits Your Vehicle
Blower Motor Relay Connector
ACDelco
PT2371
ACDelco Gold (Professional) HVAC Automatic Temperature Control (ATC) Relay Connector are a high quality alternative to Original Equipment...
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...
Fits Your Vehicle
Positive Crank Ventilation (PCV) Valve Hose
ACDelco
93441238
GM Genuine Parts PCV Valve Hoses are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine...
Fits Your Vehicle
Multi-Purpose Nut
ACDelco
11514596
GM Genuine Parts Nuts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are...
Fits Your Vehicle
Air Injection Valve
ACDelco
214-1047
GM Genuine Parts Secondary Air Injection Check Valves are designed, engineered, and tested to rigorous standards, and are backed by...
Fits Your Vehicle
Multi-Purpose Wire Connector
ACDelco
PT2348
ACDelco Gold (Professional) HVAC Solenoid Connector are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold...
Fits Your Vehicle
Multi-Purpose Wire Connector
ACDelco
PT2307
ACDelco Gold (Professional) Air Charge Temperature Sensor Connector are a high quality alternative to Original Equipment (OE) parts....
Positions: Front
Fits Your Vehicle
Secondary Air Injection Pump
GM
12560095
S-series. 4.3l. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and...
$163.10
MSRP $297.91
Save $134.81
45.3% Off 
Multi-Purpose Wiring Connector
ACDelco
PT1154
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
Fits Your Vehicle
Positive Crankcase Ventilation (PCV) Tube
GM
12551462
1996-05. 4.3L, 1996-04. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Front Vapor Canister Pipe
ACDelco
15023819
GM Genuine Parts Vapor Canister Purge Valve Pipes are designed, engineered, and tested to rigorous standards, and are backed by General...
Positions: Front
Fits Your Vehicle
Rear Vapor Canister Purge Pipe
ACDelco
15021041
GM Genuine Parts Vapor Canister Purge Valve Hoses are designed, engineered, and tested to rigorous standards, and are backed by General...
Positions: At Vapor Canister
Fits Your Vehicle
Rear Vapor Canister Pipe
ACDelco
15734508
GM Genuine Parts Vapor Canister Purge Valve Pipes are designed, engineered, and tested to rigorous standards, and are backed by General...
Positions: At Vapor Canister
Fits Your Vehicle
Gasket
GM
12555896
All models. 5.0l, 5.7l. S-series. 4.3l. Express, savana. 5.0l, 5.7l. Without 7.4L, gas, 4.3, 5.0, 5.7L. 4.3L, all. Express, savana....
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