Emission Systems for 2012 Chevrolet Impala
Select Emission Systems part
Evaporative Emission Pipe Clip
ACDelco
20942310
GM Genuine Parts Evaporative Emissions System Line Clips are designed, engineered, and tested to rigorous standards, and are backed by...
Fits Your Vehicle
Secondary Air Injection Pump
ACDelco
12634456
GM Genuine Parts Secondary Air Injection Pumps are designed, engineered, and tested to rigorous standards, and are backed by General...
$194.23
Fits Your Vehicle
Relay
ACDelco
D1741C
ACDelco Gold (Professional) Temperature Control Relay are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold...
$12.91
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...
Positions: Front, Rear
$6.94
Fits Your Vehicle
Multi-Purpose Wiring Connector
ACDelco
PT2046
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$44.21
Fits Your Vehicle
Secondary Air Injection Pipe
GM
12648985
3.6L with flex fuel. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered,...
$322.28
Fits Your Vehicle
Vapor Canister Hose
GM
20827320
ACDelco Vapor Canister Hose (Part Number: 20827320, SKU: 20827320 ) is an emission-control hose that routes vapor to and from the...
$79.43
MSRP $145.10
Save $65.67
45.3% Off 
Wiring Pigtail
ACDelco
PT3846
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$36.81
Fits Your Vehicle
Multi-Purpose Wiring Connector
ACDelco
PT2194
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended...
$46.10
Fits Your Vehicle
Multi-Purpose Clip
ACDelco
22718369
GM Genuine Parts Multi Purpose Retainers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM...
$18.45
Fits Your Vehicle
Drive Belt Tensioner Stop Bolt Retainer
ACDelco
11518792
GM Genuine Parts Bolt Retainers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine...
$6.43
Fits Your Vehicle
Vapor Canister Purge Valve
ACDelco
12690512
ACDelco GM Original Equipment Vapor Canister Purge Valves are GM-recommended replacements for your vehicle's original components. The...
Fits Your Vehicle
Vapor Canister Pipe
ACDelco
15940125
GM Genuine Parts Vapor Canister Purge Valve Pipes are designed, engineered, and tested to rigorous standards, and are backed by General...
$288.30
Fits Your Vehicle
Secondary Air Injection Pump with Bracket
GM
12634456
ACDelco Secondary Air Injection Pump with Bracket (Part Number: 12634456) is a pump assembly that supplies controlled secondary air to...
$194.23
MSRP $355.76
Save $161.53
45.4% Off Fits Your Vehicle
Vapor Canister Purge Pipe
GM
20919683
3.6L without flex fuel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$330.60
MSRP $608.86
Save $278.26
45.7% Off Fits Your Vehicle
Driver Side Secondary Air Injection Shut-Off and Check Valve
GM
12633749
Impala. 3.6l. Left. 3.6L with flex fuel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
Positions: Left
$177.49
MSRP $325.10
Save $147.61
45.4% Off Fits Your Vehicle
Vapor Canister Vent Solenoid
GM
20952523
ACDelco Vapor Canister Vent Solenoid (Part Number: 20952523) is an emission-control solenoid assembly that controls venting of the...
$50.00
MSRP $85.56
Save $35.56
41.6% Off 
Vapor Canister
GM
25903990
ACDelco Vapor Canister (Part Number: 25903990) is an EVAP canister assembly designed to capture and store fuel vapors, preventing...
$244.24
MSRP $449.82
Save $205.58
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