Emission Components for 2004 Audi S4
No.
Part # / Description / Price
Price
1
Secondary Air Injection Pump 
Audi
Audi Description: Cabriolet S4. 4.2L, A4/S4. 4.2L, RS4.
An emissions component, that is part of the secondary air injection system, which is responsible for pumping clean air into the vehicle's exhaust stream to promote a cleaner and more complete burn before the fumes exit the tailpipe.
An emissions component, that is part of the secondary air injection system, which is responsible for pumping clean air into the vehicle's exhaust stream to promote a cleaner and more complete burn before the fumes exit the tailpipe.
2
Secondary Air Injection Pump Bracket Audi
Audi Description: 4.2L A4/S4.
A bracket for a secondary air injection pump.
A bracket for a secondary air injection pump.
4
Secondary Air Injection Pump Hose Audi
Audi Description: To air cleaner. Cabriolet S4. 4.2L. #1.
Secondary Air Injection Pump Hose.
Secondary Air Injection Pump Hose.
5
Secondary Air Injection Pump Hose Audi
Audi Description: To egr pipe. Cabbriolet S4. To kombi valve. 4.2L. #2.
Secondary Air Injection Pump Hose.
Secondary Air Injection Pump Hose.
6
Secondary Air Injection Pump Hose Audi
Audi Description: Cabriolet S4. To kombi valve. 4.2L. #3.
Secondary Air Injection Pump Hose.
Secondary Air Injection Pump Hose.
9
Connector Pipe Valve Assembly Audi
Audi Positions: Left
Description: 1998-01, 1.8 & 2.8L. 2.8L, combi. 1996-97, 1.8 & 2.8L. 2004-06, a.i.r. Pump & compmnents. S4. Both. 4.2L, 2005-06. 4.2L, combination.
11
Secondary Air Injection Control Valve Adapter Audi
Audi Positions: Right
Description: 4.2L, 2005-06, to vin 4f6035000.
12
Secondary Air Injection Control Valve Adapter Audi
Audi Positions: Left
Description: 4.2L, A4/S4. 4.2L, 2005-06, to vin 4f6035000.
14
Secondary Air Injection Control Valve Gasket Audi
Audi Positions: Left
Description: 4.2L, A4/S4. 4.2L, 2005-06.
Secondary Air Injection Control Valve Gasket.
Secondary Air Injection Control Valve Gasket.
MSRP $17.94
$12.15
MSRP $17.94
$12.15
19
Connector Hose Clamp Audi
Audi Description: Gas. 3.6L. 3.2L. 3.0L. Diesel. 4.2L, A4/S4. 4.2L, 2005-06. 2004-06, a.i.r. Pump & components. Vacuum hoses and brake servo.
MSRP $0.54
$0.37
MSRP $0.54
$0.37
20
Vapor Canister Purge Solenoid Audi
Audi Description: 1.8L. Cabriolet A4. A8, S8. 4.2l. A8, S8. 6.0l. 3.2L.
Vapor Canister Purge Solenoid.
Vapor Canister Purge Solenoid.
MSRP $263.32
$189.59
MSRP $263.32
$189.59
21
Vapor Canister Audi
Audi Description: Cabriolet A4. All. S4. 4.2L. 2.0L. 3.2L. 1.8L. 3.0L.
Vapor Canister.
Vapor Canister.
22
Evaporative Emissions System Lines Audi
Audi Description: 3.0L. Pressure line. 2.0L. 1.8L. 4.2L. 3.2L.
Evaporative Emissions System Lines.
Evaporative Emissions System Lines.
23
Evaporative Emissions System Leak Detection Pump Audi
Audi Description: A4,S4. 4.2L. 1.8L. 2.0L. 3.0L. 3.2L. RS4. Cabriolet S4.
MSRP $415.00
$316.23
MSRP $415.00
$316.23
24
Leak Detect Pump Bracket Audi
Audi Notes: PARTS: Part included with leak detection pump.
Description: 3.0L. Leak detect pump,bracket. 2.0L. 1.8L. 4.2L. 3.2L.
A component to which the Evaporative Emissions System Leak Detection Unit or related component is mounted to.
A component to which the Evaporative Emissions System Leak Detection Unit or related component is mounted to.
26
Evaporative Emissions System Leak Detection Pump Filter Audi
Audi Notes: PARTS: Part included with leak detection pump.
MSRP $119.99
$90.78
MSRP $119.99
$90.78
27
Pressure Hose Audi
Audi Notes: PARTS: Part included with leak detection pump.
Description: 3.0L. Pressure hose. 2.0L. 1.8L. 3.2L. 4.2L, RS4.
28
MSRP $56.48
$45.21
29
Vacuum Reservoir Bracket Audi
Audi Description: 4.2L, A4/S4. 4.2L, RS4.
A component to which the Emission System Vacuum Reservoir or related component is mounted to.
A component to which the Emission System Vacuum Reservoir or related component is mounted to.
30
MSRP $374.98
$285.74
30
MSRP $413.33
$314.96
No.
Part # / Description / Price
Price
19
Connector Hose Clamp Audi
Audi Description: Gas. 3.6L. 3.2L. 3.0L. Diesel. 4.2L, A4/S4. 4.2L, 2005-06. 2004-06, a.i.r. Pump & components. Vacuum hoses and brake servo.
MSRP $0.54
$0.37
MSRP $0.54
$0.37
22
Evaporative Emissions System Lines Audi
Audi Description: Vapor hose. 3.0L. 1.8L. 4.2L.
Evaporative Emissions System Lines.
Evaporative Emissions System Lines.
MSRP $100.00
$75.66
MSRP $100.00
$75.66
22
Filter Hose Audi
Audi Description: 3.2L. Filter hose. 3.0L. 1.8L. 2.0L. Connector hose. 4.2L, 2005-06. 4.2L, RS4.
MSRP $57.32
$45.88
MSRP $57.32
$45.88
22
Evaporative Emissions System Lines Audi
Audi Description: 3.0L. Pressure line. 2.0L. 1.8L. 4.2L. 3.2L.
Evaporative Emissions System Lines.
Evaporative Emissions System Lines.
33
MSRP $413.33
$314.96
34
MSRP $374.98
$285.74
No.
Part # / Description / Price
Price
1
Water Hose Assembly Audi
Audi Description: 4.2L, return.
Flexible hose that is part of the engine cooling system.
Flexible hose that is part of the engine cooling system.
2
Upper Hose Connector Audi
Audi Positions: Upper
Description: 3.2L, feed. 3.2L, supply. 4.2L main.
MSRP $40.78
$27.20
MSRP $40.78
$27.20
3
Water Hose Assembly Clamp Audi
Audi Notes: PARTS: Part included with water hose assembly.
MSRP $7.37
$5.00
MSRP $7.37
$5.00
3
Connector Hose Clamp Audi
Audi Positions: Lower
Description: 1.8L. A.i.r. Injection, 5.2L. 3.7L. 4.2L, 1997-99. 4.2L A4/S4 return. large. 4.2L main.
MSRP $11.25
$7.63
MSRP $11.25
$7.63
4
Engine Coolant Pipe Audi
Audi Description: 4.2L, main, to water pump assy. 4.2L return. Front pipe.
Pipe that is part of the engine cooling system.
Pipe that is part of the engine cooling system.
4
Secondary Air Injection Pump Hose Audi
Audi Positions: Front
Description: Tube assy. 4.2L, feed, front. Cabriolet S4.
5
Pipe Audi
Audi Description: S4, RS4. 4.2L, return. 4.2L, main, center. Cabriolet S4.
Pipe that is part of the engine cooling system.
Pipe that is part of the engine cooling system.
12
Engine Coolant Reservoir Cap Audi
Audi Description: 2.5L, auxiliary.
A cover that prevents foreign debris from entering the container.
A cover that prevents foreign debris from entering the container.
MSRP $8.22
$5.58
MSRP $8.22
$5.58
