Emission Components for 1999 Audi A6 Quattro
No.
Part # / Description / Price
Price
1
Pump 
Audi
Audi Description: 2.8L, to vin# y120000. 4.2L. 1996-97, 1.8 & 2.8L. TT. 1.8l.
MSRP $857.68
$641.11
MSRP $857.68
$641.11
2
5
Vacuum Hose Audi
Audi Notes: PARTS: Part number is for 5 meter coil, cut to correct length.
Description: 2.8L. Secondary air pump, 4.2L. 2.7L. 3.0L.
MSRP $22.98
$13.33
MSRP $22.98
$13.33
8
Connector Pipe Audi
Audi Positions: Right
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.
MSRP $159.99
$111.35
MSRP $159.99
$111.35
9
Intake Pipe Audi
Audi Positions: Left
Description: 1998-01, 1.8 & 2.8L. 2.8L, from vin# x015001.
MSRP $201.65
$140.35
MSRP $201.65
$140.35
11
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.
MSRP $474.98
$330.59
MSRP $474.98
$330.59
11
Connector Pipe Valve Assembly Audi
Audi Positions: Right
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
$330.59
MSRP $474.98
$330.59
13
Valve Adapter Audi
Audi Positions: Right
Description: 2.8L. Secondary air pump, 4.2L. 2004-06, a.i.r. Pump & compmnents.
14
Gasket Audi
Audi Positions: Right
Description: 1.8L, side. 2.8L. 4.2L. 2004-06, a.i.r. Pump & compmnents. 2.7L, to adapter. A8, S8. 6.0l.
MSRP $4.61
$2.67
MSRP $4.61
$2.67
14
Gasket Audi
Audi Positions: Left
Description: 2.8L. 4.2L. 2004-06, a.i.r. Pump & compmnents. 2.7L, to adapter.
MSRP $14.95
$8.68
MSRP $14.95
$8.68
15
Vacuum Regulator 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.
MSRP $224.98
$156.59
MSRP $224.98
$156.59
16
18
Oxygen Sensor Audi
Audi Positions: Right
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.
19
Oxygen Sensor Audi
Audi Positions: Right
Description: Right. A4. 2.7l, 2.8l. 1996-97, 1.8 & 2.8L, front, 2.8L. 1998-01, 1.8 & 2.8L, front, 6 cylinder.
19
Oxygen Sensor Audi
Audi Positions: Left
Description: Left. A4. 2.7l, 2.8l. 1996-97, 1.8 & 2.8L, rear, 2.8L.
20
Barometric Pressure Sensor Audi
Audi Description: Altitude Correction Switch. 2.8L, altitude corrector. 2.7L, altitude corrector.
25
MSRP $119.99
$83.51