Sensors for 2018 Audi A4
No.
Part # / Description / Price
Price
6
MSRP $24.78
$16.73
8
Outer Duct 
Audi
Audi Positions: Right
Description: 2017-2019, auto trans, to 02/19/2018. 2017-20, to 02/19/2018.
MSRP $56.67
$42.50
MSRP $56.67
$42.50
8
Outer Duct Audi
Audi Positions: Right
Description: 2017-2019, auto trans, from 02/19/2018. 2017-20, from 02/19/2018.
MSRP $61.67
$46.25
MSRP $61.67
$46.25
8
Outer Duct Audi
Audi Positions: Left
Description: 2017-2019, auto trans, from 02/19/2018. 2017-20, from 02/19/2018.
MSRP $61.67
$46.25
MSRP $61.67
$46.25
9
Inner Duct Audi
Audi Positions: Left
Description: 2017-2019, auto trans. 2017-20. 3.0L. Inner, 2.0L.
MSRP $27.98
$18.89
MSRP $27.98
$18.89
9
Inner Duct Audi
Audi Positions: Right
Description: 2017-2019, auto trans. 2017-20. 3.0L. Inner, 2.0L.
MSRP $41.98
$28.34
MSRP $41.98
$28.34
10
Expansion Tank Audi
Audi Description: 2017-2019, auto trans. A4 allroad. 2017-20. To 01/14/19. 45 tsfi. A5. 01/14/19 - 06/18/20. 2021-25.
MSRP $201.67
$142.78
MSRP $201.67
$142.78
14
MSRP $59.98
$44.99
16
Radiator Coolant Hose O-Ring Audi
Audi Notes: PARTS: Part included with upper hose. Part cannot be reused/reinstalled.
MSRP $2.62
$1.77
MSRP $2.62
$1.77
17
Lower Hose Retainer Spring Audi
Audi Notes: PARTS: Part included with upper hose. Part cannot be reused/reinstalled.
MSRP $6.47
$4.36
MSRP $6.47
$4.36
18
Water Hose Assembly Clamp Audi
Audi Notes: PARTS: Part included with upper hose. Part cannot be reused/reinstalled.
MSRP $6.27
$4.24
MSRP $6.27
$4.24
20
Upper Hose Coupling Audi
Audi Notes: PARTS: Part included with upper hose. Part cannot be reused/reinstalled.
Description: 2017-2019, auto trans. 2017-20. 45 tsfi. Upper Radiator Coolant Hose. At Water Pump Housing. Incl.C-Clip and Seal. 2.0L, front, 2018-20, upper. Convertible, 2.0L, front, upper.
MSRP $22.78
$15.38
MSRP $22.78
$15.38
21
Breather Tube Audi
Audi Description: 40 tsfi. 2021-25, front upper, #3. 2017-2019, auto trans. 2017-20. 45 tsfi. Convertible, 2.0L, front, lower, from 06/26/2017.
MSRP $36.38
$24.56
MSRP $36.38
$24.56
22
Coupling Shaft Audi
Audi Description: 45 tsfi. 2017-2019, auto trans. 40 tsfi. 3.0L, 2020-25. 2021-25, front upper. 2.0L, front, 2018-20, from 06/26/2017. 3.0L, 2018-19. Convertible, 2.0L, front, from 06/26/2017.
MSRP $37.78
$25.50
MSRP $37.78
$25.50
23
Radiator Coolant Hose Audi
Audi Positions: Lower
Description: A5. A4 allroad. To 05/16/2016. 2017-20. Coupe, 2.0L, front, 2018-20. From 05/16/2016.
MSRP $231.67
$164.02
MSRP $231.67
$164.02
27
Coolant Temp Sensor Audi
Audi Notes: PARTS: Part included with lower hose. Part cannot be reused/reinstalled.
MSRP $53.32
$39.99
MSRP $53.32
$39.99
27
Engine Coolant Temperature Sensor Audi
Audi Description: Location-Engine. Location-Cylinder Head. To 07/10/2018. To 07/23/2018.
MSRP $35.58
$24.02
MSRP $35.58
$24.02
28
Temp Sensor T-Connector Audi
Audi Notes: PARTS: Part included with lower hose. Part cannot be reused/reinstalled.
Description: 2017-2019, auto trans. 2017-20. 45 tsfi.
29
Engine Coolant Hose Audi
Audi Notes: PARTS: Part included with lower hose. Part cannot be reused/reinstalled.
Description: Auxiliary Water Pump. Engine Cooling. Inlet. 2017-2019, auto trans. 2017-20.
MSRP $51.58
$34.82
MSRP $51.58
$34.82
30
Water Hose Assembly Clamp Audi
Audi Notes: PARTS: Part included with lower hose. Part cannot be reused/reinstalled.
MSRP $8.87
$5.98
MSRP $8.87
$5.98