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Home 2005 Audi S4 Base 4.2L V8 - Gas EGR System
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2005 Audi S4

Base 4.2L V8 - Gas

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Emission System
Emission System
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EGR System for 2005 Audi S4

Diagram 1 1. A.I.R Pump 2. Temp Sensor
EGR System for 2005 Audi S4 #0
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No.
Part # / Description / Price
Price
7
79121070T - Emission System: Tube Assembly for Audi Image
Engine Coolant Pipe
079-121-070-T
Audi Audi
Description: 4.2L, supply, A4/S4. Cabriolet S4. 4.2L feed. Water pipe.
Pipe that is part of the engine cooling system.
View Details
View Details
8
N10202001 - Emission System: Clamp for Audi Image
Clamp
N-102-020-01
Audi Audi
Description: The original equipment Audi Clamp supplied under part number N-102-020-01 is a small but load bearing element of the assembly, and using the factory specification matters because thread pitch, coating, and clamp load are engineered for the joint rather than generic. As a genuine Audi part it carries factory part numbering, original fitment data, and Audi parts warranty coverage. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $0.70
$0.48
MSRP $0.70
$0.48
9
78131102T - Emission System: Egr Valve for Audi Image
Secondary Air Injection Control Valve
078-131-102-T
Audi Audi
Positions: Left
Description: The original equipment Audi Secondary Air Injection Control Valve supplied under part number 078-131-102-T keeps the exhaust and evaporative streams within regulated limits, and because the engine management strategy adapts around these components, a degra ...
MSRP $474.98
$360.51
MSRP $474.98
$360.51
10
78131120K - Emission System: Egr Valve Gasket for Audi Image
Gasket
078-131-120-K
Audi Audi
Positions: Left
Description: Genuine Audi Gasket 078-131-120-K. This original equipment component creates the sealing interface between two components, and because a seal is the cheapest part in most assemblies but the most common source of leaks, using the correct specification is what keeps the repair permanent. It is supplied through the Audi dealer parts network and matches the component installed at the factory. Confirm fitment against your vehicle identification number before ordering.
MSRP $14.96
$10.17
MSRP $14.96
$10.17
19
N10201901 - Emission System: Connector Hose Clamp for Audi Image
Power Brake Booster Vacuum Hose Clamp
N-102-019-01
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. Genuine Audi Power Brake Booster Vacuum Hose Clamp N-102-019-01. This original equipment component is a small but load bearing elem ...
MSRP $1.04
$0.71
MSRP $1.04
$0.71
20
1C0906517A - Emission System: Solenoid Valve for Audi Image
Vapor Canister Purge Solenoid
1C0-906-517-A
Audi Audi
Description: 1.8L. Cabriolet A4. A8, S8. 4.2l. A8, S8. 6.0l. 3.2L. Audi part number 1C0-906-517-A, the factory Vapor Canister Purge Solenoid, keeps the exhaust and evaporative streams within regulated limits, and because the engine management strategy adapts around th ...
MSRP $263.32
$189.59
MSRP $263.32
$189.59
22
8E0201946A - Emission System: Pressure Line for Audi Image
Evaporative Emissions System Lines
8E0-201-946-A
Audi Audi
Description: 3.0L. Pressure line. 2.0L. 1.8L. 4.2L. 3.2L. This genuine Audi Evaporative Emissions System Lines, part number 8E0-201-946-A, keeps the exhaust and evaporative streams within regulated limits, and because the engine management strategy adapts around these components, a degraded unit affects drivability as well as emissions compliance. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $253.32
$193.79
MSRP $253.32
$193.79
23
8E0906201K - Emission Control: Evaporative Emissions System Leak Detection Pump for Audi Image
Evaporative Emissions System Leak Detection Pump
8E0-906-201-K
Audi Audi
Description: A4,S4. 3.0L. 2.0L. 1.8L. 4.2L. 3.2L. RS4. Cabriolet S4. Genuine Audi Evaporative Emissions System Leak Detection Pump 8E0-906-201-K. This original equipment component keeps the exhaust and evaporative streams within regulated limits, and because the engin ...
MSRP $415.00
$317.48
MSRP $415.00
$317.48
25
8D0201827C - Emission System: Leak Detect Pump Plate for Audi Image
Evaporative Emissions System Leak Detection Pump Bracket
8D0-201-827-C
Audi Audi
Notes: PARTS: Part included with leak detection pump.
Description: This genuine Audi Evaporative Emissions System Leak Detection Pump Bracket, part number 8D0-201-827-C, is a small but load bearing element of the assembly, and using the factory specification matters because thread pitch, coating, and clamp load are engineered for the joint rather than generic. As a genuine Audi part it carries factory part numbering, original fitment data, and Audi parts warranty coverage. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $23.18
$15.82
MSRP $23.18
$15.82
26
8D0906321 - Emission System: Filter for Audi Image
Evaporative Emissions System Leak Detection Pump Filter
8D0-906-321
Audi Audi
Notes: PARTS: Part included with leak detection pump.
Description: Listed under Audi part number 8D0-906-321, this Evaporative Emissions System Leak Detection Pump Filter keeps the exhaust and evaporative streams within regulated limits, and because the engine management strategy adapts around these components, a degraded unit affects drivability as well as emissions compliance. As a genuine Audi part it carries factory part numbering, original fitment data, and Audi parts warranty coverage. Confirm fitment against your vehicle identification number before ordering.
MSRP $119.99
$91.07
MSRP $119.99
$91.07
28
443131541 - Emission Control: Vacuum Reservoir for Audi Image
Vacuum Reservoir
443-131-541
Audi Audi
Description: This genuine Audi Vacuum Reservoir, part number 443-131-541, encloses and protects the component behind it, keeping debris, moisture, and heat away from hardware that was not designed to be exposed while also finishing the visible surface. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Confirm fitment against your vehicle identification number before ordering.
MSRP $56.48
$45.38
MSRP $56.48
$45.38
30
1K0998262F - Emission System: Oxygen Sensor for Audi Image
Oxygen Sensor
1K0-998-262-F
Audi Audi
Positions: Right
Description: This genuine Audi Oxygen Sensor, part number 1K0-998-262-F, converts a physical condition into a signal the engine control module uses to set fueling and timing, so a drifting sensor degrades performance long before it triggers a hard fault. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $413.33
$316.20
MSRP $413.33
$316.20
30
1K0998262 - Emission System: Oxygen Sensor for Audi Image
Oxygen Sensor
1K0-998-262
Audi Audi
Positions: Right
Description: This genuine Audi Oxygen Sensor, part number 1K0-998-262, converts a physical condition into a signal the engine control module uses to set fueling and timing, so a drifting sensor degrades performance long before it triggers a hard fault. It is supplied through the Audi dealer parts network and matches the component installed at the factory. Confirm fitment against your vehicle identification number before ordering.
MSRP $374.98
$286.86
MSRP $374.98
$286.86