Sensors for 1999 Audi A4 Quattro
No.
Part # / Description / Price
Price
1
Vapor Canister 
Audi
Audi Description: A6/S6. 1998-01, 1.8 & 2.8L. A4. Allroad. 1996-97, 1.8 & 2.8L. S4.
Vapor Canister.
Vapor Canister.
2
Vapor Canister Cover Audi
Audi Description: 2.0L. 3.0L. 1.8L. 3.2L. 2.8L. 2.7L. 4.2L.
Vapor Canister Cap.
Vapor Canister Cap.
4
Leak Detect Pump Bracket Audi
Audi Description: 1998-01, 1.8 & 2.8L, #1.
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.
6
MSRP $119.99
$91.07
8
Damper Bracket Audi
Audi Description: 1998-01, 1.8 & 2.8L.
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.
9
Secondary Air Injection Pump Audi
Audi Description: 2.8L, to vin# y120000. 4.2L. 1996-97, 1.8 & 2.8L. TT. 1.8l.
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.
10
Air Pump Bracket Audi
Audi Description: 1998-01, 1.8 & 2.8L. 2.8L, to vin# y120000. 1996-97, 1.8 & 2.8L.
A bracket for a secondary air injection pump.
A bracket for a secondary air injection pump.
11
Cup Audi
Audi Description: 1998-01, 1.8 & 2.8L. 2.8L, to vin# y120000. 1996-97, 1.8 & 2.8L.
Secondary Air Injection Pump Mount.
Secondary Air Injection Pump Mount.
12
Protect Plate Audi
Audi Description: 1998-01, 1.8 & 2.8L. 2.8L, to vin# y120000. 1996-97, 1.8 & 2.8L.
Secondary Air Injection Pump Mount.
Secondary Air Injection Pump Mount.
13
Secondary Air Injection Pump Hose Audi
Audi Description: 1998-01, 1.8 & 2.8L. 2.8L, from vin# x015001.
Secondary Air Injection Pump Hose.
Secondary Air Injection Pump Hose.
MSRP $201.65
$154.26
MSRP $201.65
$154.26
14
Secondary Air Injection Pump Hose Audi
Audi Description: 1998-01, 1.8 & 2.8L, #1. To air cleaner. 3.0L. 1996-97, 1.8 & 2.8L, #1. 2.8L, from vin# x015001. 2.8L, to vin# x015000.
Secondary Air Injection Pump Hose.
Secondary Air Injection Pump Hose.
MSRP $159.99
$121.43
MSRP $159.99
$121.43
15
Connector Pipe Audi
Audi Description: 1996-97, 1.8 & 2.8L, #2. A4. 2.8l. A8. S8.
Secondary Air Injection Pump Hose.
Secondary Air Injection Pump Hose.
16
Connector Pipe Valve Assembly Audi
Audi Positions: Left
Description: 1998-01, 1.8 & 2.8L. 2.8L, combi. A8. Left. 4.2L, combi. 1996-97, 1.8 & 2.8L. A4. 2.8l. 2004-06, a.i.r. Pump & compmnents. S8.
MSRP $474.98
$360.51
MSRP $474.98
$360.51
16
Connector Pipe Valve Assembly Audi
Audi Positions: Right
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.
MSRP $474.98
$360.51
MSRP $474.98
$360.51
17
Vapor Canister Purge Solenoid Audi
Audi Description: A6/S6. 2.8l,2.7l. A4, S4, RS4. 1.8l. 2.7L, change over. 3.0L. A8. Vapor canister & oxygen sensor. 1996-97, 1.8 & 2.8L, change over. 2.7L, changeover. 90. Cabriolet.
Vapor Canister Purge Solenoid.
Vapor Canister Purge Solenoid.
18
Knock Sensor Audi
Audi Description: Without 200 series. 1998-01, 1.8 & 2.8L, 6 cylinder. A6/S6. 2.8l. 535mm Harness. A4. 1.8l. Blue. 1996-97, 1.8 & 2.8L, 2.8L. 90. A4. 2.8l. Cabriolet.
Ignition Knock (Detonation) Sensor.
Ignition Knock (Detonation) Sensor.
19
Oxygen Sensor Audi
Audi Description: 1998-01, 1.8 & 2.8L, rear, 4 cylinder. 1998-01, 1.8 & 2.8L, front, 6 cylinder. 1996-97, 1.8 & 2.8L, rear, 1.8L.
Oxygen Sensor.
Oxygen Sensor.
No.
Part # / Description / Price
Price
2
Air Cleaner Assembly Retainer Clip Audi
Audi Notes: PARTS: Part included with air cleaner assembly.
Description: 2.8L v6. Gas. 1.8L. 3.2L. 3.0L. 4.2L. 2.7L.
3
Air Filter Audi
Audi Notes: PARTS: Part included with air cleaner assembly.
Description: 2.8L v6. 1.8L. 3.0L v6. 2.7L. 4.2L.
An air filter for the air intake system of a vehicle's engine.
An air filter for the air intake system of a vehicle's engine.
3
Engine Air Filter Audi
Audi Description: Cold Spec. Optional.
An air filter for the air intake system of a vehicle's engine.
An air filter for the air intake system of a vehicle's engine.
MSRP $50.82
$40.83
MSRP $50.82
$40.83
10
Fuel Injection Air Flow Meter Gasket / O-Ring Audi
Audi Description: 1.8L.
Fuel Injection Air Flow Meter Gasket / O-Ring.
Fuel Injection Air Flow Meter Gasket / O-Ring.
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.
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Barometric Pressure Sensor Audi
Audi Description: Altitude Correction Switch. 2.8L, altitude corrector. 2.7L, altitude corrector.
Barometric Pressure Sensor.
Barometric Pressure Sensor.