Emission Components for 1999 Pontiac Montana
No.
Part # / Description / Price
Price
1
Egr Valve 
GM
GM Description: Egr valve, vapor canister and sensors. 6 cylinder, without 3.4L. Electric control, 3.1L. 3.1m. Egr valve & sensors, 3.1L. Silhouette, Trans Sport. 3.4l. 6 cylinder, gas.
2
Acdelco™ Exhaust Gas Re-Circulation (Egr) Valve Gasket GM
GM Description: Egr valve, vapor canister and sensors. 6 cylinder. 3.1L, upper. Egr valve & sensors, 3.1L. 3.4L, upper. 3.4L, 2000-01.
2
Exhaust Gas Recirculation (EGR) Valve Gasket GM
GM Description: Egr valve, vapor canister and sensors. 3.4L, egr valve. 6 cylinder. 3.1L, upper. Egr valve & sensors, 3.1L. 3.4L, upper. 3.4L, 2000-01. Helps provide a leak-free seal
Allows exhaust pollutants to enter the engine for re-burn
Helps the engine emission system operate properly
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.27
$5.39
MSRP $10.27
$5.39
2
Exhaust Gas Recirculation (EGR) Valve Gasket 
ACDelco
ACDelco Description: GM Genuine Parts Exhaust Gas Recirculation (EGR) Valve Gaskets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These gaskets help provide a gas-tight seal for the EGR valve mounting flange. They are made from h ...
Not For Sale
Not For Sale
3
4
Vapor Canister GM
GM Description: Cavalier, Sunfire. 2.4l. S-series. 4.3l. All. 3.1 & 3.4L, 1995-99, 3.1L. 3.8L. S-series. 2.2l. Corvette. Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
4
Vapor Canister ACDelco
ACDelco Description: ACDelco GM Original Equipment Vapor Canisters are GM-recommended replacements for your vehicle's original components. They capture and store evaporating fuel vapors from the fuel tank to be drawn into the intake manifold during engine operation. These orig ...
4
Acdelco™ Vapor Canister GM
GM Description: Cavalier, Sunfire. 2.4l. S-series. 4.3l. All. 3.1 & 3.4L, 1995-99, 3.1L. 3.8L. S-series. 2.2l. Corvette.
6
Evaporative Emission Canister Purge Valve ACDelco
ACDelco Description: "ACDelco GM Original Equipment Vapor Canister Purge Valves are GM-recommended replacements for your vehicle's original components. The purge valve controls the flow of fuel vapor from the vapor canister to the intake manifold. These original equipment vapor canister purge valves have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors." ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Not For Sale
Not For Sale
6
Vapor Canister Vent Valve GM
GM Description: Location-Vapor Canister. All models. 3.1L. 2.4L. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
6
Evaporative Emission Canister Vent Solenoid Valve ACDelco
ACDelco Description: ACDelco GM Original Equipment Vapor Canister Vent Valves are GM-recommended replacements for your vehicle's original components. These valves, when opened, allow air to pass in and out of the vapor canister vent. These original equipment vapor canister vent valves have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
6
Acdelco™ Vapor Canister Purge Solenoid GM
GM Description: Location-Vapor Canister. 3.1L. 2.4L. All models.
8
Heated Oxygen Sensor GM
GM Description: Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $138.20
$72.55
MSRP $138.20
$72.55
8
Heated Oxygen Sensor ACDelco
ACDelco Description: GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle's exhaust system and measure the proportion of oxygen in exhaust g ...
$59.83
$59.83
8
Heated Oxygen Sensor GM
GM Description: Detects oxygen content in the exhaust gases to help optimize emissions
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $125.22
$65.73
MSRP $125.22
$65.73
8
Heated Oxygen Sensor ACDelco
ACDelco Description: GM Genuine Parts Oxygen (O2) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sensors are special feedback sensors on your vehicle's exhaust system and measure the proportion of oxygen in exhaust g ...
$54.20
$54.20
10
M.A.P Sensor Bracket GM
GM Description: 3.4L, 2002-05. Egr valve & sensors, 3.1L. 3.4L, 2000-01.
MSRP $5.74
$3.43
MSRP $5.74
$3.43