Emission Components for 2004 Cadillac DeVille
No.
Part # / Description / Price
Price
15
Heated Oxygen Sensor 
GM
GM Description: All models. 4.6l. To converter. Bonneville, LeSabre. Rear. 4.6l. At converter. 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
15
Heated Oxygen Sensor GM
GM Positions: Right
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 $121.78
$71.24
MSRP $121.78
$71.24
15
Heated Oxygen Sensor GM
GM Positions: Front
Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
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 $111.12
$65.01
MSRP $111.12
$65.01
16
Secondary Air Injection Pump Kit with Pump, Bracket, and Hose GM
GM Description: Aurora. Helps maintain controlled air flow to proper air injection components This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors.Secondary Air Injection Pump Kit with Pump, Bracket, and Hose - GM ...
MSRP $584.60
$341.98
MSRP $584.60
$341.98
17
A.I.R Pump Cover GM
GM Notes: PARTS: Part included with A.I.R. pump.
Description: California emissions.
19
MSRP $104.73
$69.85
20
Secondary Air Injection Pump Filter GM
GM Notes: PARTS: Part included with hose.
Description: Air pump, california only. California emissions. Secondary pump. 3.8L. Aztek, Rendezvous. Aurora. Cleaner. 3.4L, 2000-01.
21
Nylon Cable Tie GM
GM Notes: PARTS: Part included with hose.
Description: California emissions. DeVille, without dhs or DTS, upper components. 3.4L. 1991-93, harness retaining. Filler pipe components. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $0.20
$0.12
MSRP $0.20
$0.12
22
Duct GM
GM Notes: PARTS: Part included with hose.
Description: Air pump, california only. California emissions. Secondary pump. 3.8L. Seville. 3.4L, 2000-01.
$4.20
$4.20
22
Acdelco™ Secondary Air Injection Pump Check Valve GM
GM Description: California emissions. front. Seville.
24
Secondary Air Injection Hose Noise Baffle GM
GM Notes: PARTS: Part included with hose.
Description: California emissions. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$14.73
$14.73
25
Air Injection Valve GM
GM Description: California emissions, front. Seville. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $554.98
$324.66
MSRP $554.98
$324.66
26
Air Injection Valve GM
GM Description: Calif. Helps prevent exhaust from entering air pump
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
27
Secondary Air Injection Pump Check Valve Gasket GM
GM Description: California emissions. 4.6L. Air injection system, 3.5L. Valve to Right Inlet Pipe. Helps maintain controlled air flow to proper air injection components
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $15.46
$9.04
MSRP $15.46
$9.04
27
Acdelco™ Secondary Air Injection Pipe Gasket GM
GM Description: California emissions. 4.6L. Valve to Right Inlet Pipe. 3.5L air injection system.
29
Secondary Air Injection Pump Hose GM
GM Positions: Left
Description: Seville. All. Left. California emissions. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $139.88
$93.28
MSRP $139.88
$93.28
30
Multi-Purpose Relay GM
GM Description: Engine compartment, type 4. California emissions. A.I.R. pump. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $66.68
$39.01
MSRP $66.68
$39.01
30
Acdelco™ Secondary Air Injection Pump Relay GM
GM Description: California emissions. A.I.R. pump. Engine compartment, type 4.
31
MSRP $8.31
$6.64
No.
Part # / Description / Price
Price
1
Vapor Canister GM
GM Description: Helps reduce harmful pollutants from entering the atmosphere
Captures fuel vapors to be re-burned in the engine
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $338.92
$198.27
MSRP $338.92
$198.27
2
Vapor Canister Bracket GM
GM Description: With supercharger 1998-2005. Vapor canister. California emissions. Federal emissions. 2000-03. 2004-05.
3
Acdelco™ Vapor Canister Purge Solenoid GM
GM Description: Location-Vapor Canister. Bonneville, LeSabre. California emissions. Park Avenue. With supercharger 1998-2005. Seville. 2000-03. Federal emissions. Aurora. 2004-05.
3
Vapor Canister Vent Solenoid GM
GM Description: Bonneville, LeSabre. Park Avenue. With supercharger 1998-2005. Seville. California emissions. 2000-03. Federal emissions. Aurora. 2004-05. Location-Vapor Canister. Controls fresh air flow to the canister
Sends fuel vapors to the engine for re-burn
Helps control fuel tank pressure
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $65.03
$38.04
MSRP $65.03
$38.04
4
Vent Valve Bracket GM
GM Description: With supercharger 1998-2005. California emissions. 2000-03. Federal emissions. 2004-05.
7
Multi-Purpose Clamp GM
GM Notes: PARTS: Part included with pipe.
Description: Helps prevent leaks
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $44.40
$31.17
MSRP $44.40
$31.17
8
Vapor Canister Purge Valve GM
GM Description: Controls vapor flow from canister to engine
MSRP $61.28
$35.86
MSRP $61.28
$35.86
11
Exhaust Gas Recirculation (EGR) Valve Gasket GM
GM Description: 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
12
Engine Wiring Harness Shield Bracket GM
GM Description: California emissions. 4.6L. Federal emissions. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
13
Exhaust Gas Recirculation (EGR) Valve Pipe GM
GM Description: California emissions. Seville. Federal emissions. Aurora. 4.0l. Bonneville, LeSabre. 4.6l. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
15
Acdelco™ Oxygen Sensor GM
GM Description: All models. 4.6l. To converter. Bonneville, LeSabre. Rear. 4.6l. At converter.
15
Heated Oxygen Sensor GM
GM Positions: Left
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 $121.78
$71.24
MSRP $121.78
$71.24
Related Parts
Part # / Description / Price
Price
5-Way Female Gray Multi-Purpose Pigtail GM
GM Description: California emissions. 2000-03. Federal emissions. 2004-05. 3.1 & 3.4L, 1995-99, 3.4L. 3.8L. Protective outer coverings help provide long-lasting durability
Color-coded wires allow for easy installation
MSRP $64.34
$37.64
MSRP $64.34
$37.64
Acdelco™ Exhaust Gas Re-Circulation (Egr) Tube Adapter GM
GM Description: California emissions. 3.8L. Federal emissions. 2000-03. 2004-05. 1995-99 3.1 & 3.4L. 3.4L.