Radiator & Components for 2020 Audi A4
No.
Part # / Description / Price
Price
2
Radiator Upper Insulator 
Audi
Audi Positions: Right
Description: This genuine Audi Radiator Upper Insulator, part number 7P0-121-276, moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. 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 $9.23
$6.27
MSRP $9.23
$6.27
3
Radiator Insulator Audi
Audi Positions: Left
Description: The original equipment Audi Radiator Insulator supplied under part number 7P0-121-365 moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $18.45
$12.55
MSRP $18.45
$12.55
4
Auxiliary Radiator Upper Bolt Audi
Audi Positions: Right
Description: This genuine Audi Auxiliary Radiator Upper Bolt, part number 4M0-121-095, 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. 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 $6.15
$4.19
MSRP $6.15
$4.19
6
Radiator Insulator Audi
Audi Positions: Right
Description: The original equipment Audi Radiator Insulator supplied under part number 4M0-121-268-A moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $24.78
$16.91
MSRP $24.78
$16.91
7
Radiator Mount Bolt Audi
Audi Positions: Left
Description: Audi part number 8K0-805-399-B, the factory Radiator Mount Bolt, 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. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $5.13
$3.48
MSRP $5.13
$3.48
8
Radiator Support Air Duct Audi
Audi Positions: Front left outer
Description: 2020-21 45 tsfi. 2021. The original equipment Audi Radiator Support Air Duct supplied under part number 8W0-121-283-BS moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooli ...
MSRP $73.33
$58.92
MSRP $73.33
$58.92
9
Radiator Support Air Duct Audi
Audi Positions: Front left inner
Description: 2020-21 45 tsfi. 3.0L. 2021. This genuine Audi Radiator Support Air Duct, part number 8W0-121-673-B, moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. Every genuine Audi part is validated against the same specification as the original equipment component. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $33.58
$22.92
MSRP $33.58
$22.92
10
Engine Coolant Reservoir Audi
Audi Description: To 01/14/2019. From 01/14/2019. A5. 01/14/19 - 06/18/20. A4 allroad. From 01/14/19 to 06/15/20. This factory Audi Engine Coolant Reservoir (8W0-121-405-L) moves heat out of the engine and charge air circuits, and because modern Audi engines run tight ther ...
MSRP $201.67
$154.28
MSRP $201.67
$154.28
11
Engine Coolant Reservoir Bracket Audi
Audi Description: 2017-2019, auto trans. 2017-20. 2020-21 40 tsfi. Convertible, 2.0L. 2021. Audi part number 8W0-121-232-L, the factory Engine Coolant Reservoir Bracket, is a small but load bearing element of the assembly, and using the factory specification matters becaus ...
MSRP $48.78
$32.66
MSRP $48.78
$32.66
12
Engine Coolant Reservoir Grommet Audi
Audi Description: Audi part number 4G0-121-585-A, the factory Engine Coolant Reservoir Grommet, 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. Every genuine Audi part is validated against the same specification as the original equipment component. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $5.64
$3.84
MSRP $5.64
$3.84
13
Hybrid / Electric Vehicle Sound Alert Speaker Bracket Bolt Audi
Audi Description: Audi part number N-909-936-03, the factory Hybrid / Electric Vehicle Sound Alert Speaker Bracket Bolt, 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. Confirm fitment against your vehicle identification number before ordering.
MSRP $4.36
$2.96
MSRP $4.36
$2.96
14
Cap Audi
Audi Notes: PARTS: Part included with reservoir.
Description: This genuine Audi Cap, part number 4M0-121-321-Q, 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. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $59.98
$48.19
MSRP $59.98
$48.19
16
Radiator Coolant Hose O-Ring Audi
Audi Notes: PARTS: Part included with upper hose. Part cannot be reused/reinstalled.
Description: 2020-21 45 tsfi. 2017-2019, auto trans, from 07/09/2019. The original equipment Audi Radiator Coolant Hose O-Ring supplied under part number WHT-009-068 creates the sealing interface between two components, and because a seal is the cheapest part in most ...
MSRP $4.37
$2.96
MSRP $4.37
$2.96
19
Radiator Hose Clamp Audi
Audi Notes: PARTS: Part included with upper hose. Part cannot be reused/reinstalled.
Description: Audi part number N-906-872-01, the factory Radiator Hose Clamp, 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. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $6.27
$4.27
MSRP $6.27
$4.27
20
Radiator Coolant Hose Adapter Audi
Audi Notes: PARTS: Part included with upper hose. Part cannot be reused/reinstalled.
Description: 2017-2019, auto trans. 2017-20. 2020-21 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. This genuine Audi Radiator Coolant Hose Adapter, part number 8W0-122-2 ...
MSRP $22.78
$15.55
MSRP $22.78
$15.55
21
Engine Coolant Overflow Hose Audi
Audi Description: 2017-2019, auto trans, to 07/08/2019. 2020-21 45 tsfi. 2017-20. 2.0L, front, 2018-20, lower, 06/26/17 - 08/19/19. 2.0L, front, lower, to 06/26/2017. Convertible, 2.0L, front, lower, from 06/26/2017. 2021, front upper, #3. 2.0L, front, 2021-22, lower. Genu ...
MSRP $36.38
$21.83
MSRP $36.38
$21.83
22
Engine Coolant Pipe Audi
Audi Description: 2017-2019, auto trans. 2020-21 45 tsfi. 2017-20. 3.0L, 2020-21. 3.0L, 2018-19. 2021, front upper. Convertible, 2.0L, front, from 06/26/2017. 2.0L, front, 2021-22. This factory Audi Engine Coolant Pipe (8W0-122-293-DL) moves heat out of the engine and char ...
MSRP $37.78
$25.78
MSRP $37.78
$25.78
24
Radiator Coolant Hose Seal Audi
Audi Notes: PARTS: Part included with lower hose. Part cannot be reused/reinstalled.
Description: Listed under Audi part number N-907-653-01, this Radiator Coolant Hose Seal 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. As a genuine Audi part it carries factory part numbering, original fitment data, and Audi parts warranty coverage. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $2.62
$1.78
MSRP $2.62
$1.78
25
Radiator Coolant Hose C-Clip Audi
Audi Notes: PARTS: Part included with lower hose. Part cannot be reused/reinstalled.
Description: This genuine Audi Radiator Coolant Hose C-Clip, part number 1J0-121-142, 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. Every genuine Audi part is validated against the same specification as the original equipment component. Confirm fitment against your vehicle identification number before ordering.
MSRP $6.47
$4.39
MSRP $6.47
$4.39
27
Engine Coolant Temperature Sensor Audi
Audi Notes: PARTS: Part included with lower hose. Part cannot be reused/reinstalled.
Description: Genuine Audi Engine Coolant Temperature Sensor 079-919-523-J. This original equipment component moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. It is supplied through the Audi dealer parts network and matches the component installed at the factory. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $53.32
$38.39
MSRP $53.32
$38.39
28
Radiator Coolant Hose Adapter Audi
Audi Description: This genuine Audi Radiator Coolant Hose Adapter, part number N-906-929-01, moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. Every genuine Audi part is validated against the same specification as the original equipment component. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $32.79
$22.37
MSRP $32.79
$22.37
28
Radiator Coolant Hose Adapter Audi
Audi Description: Radiator Coolant Hose Adapter.. This factory Audi Radiator Coolant Hose Adapter (7M3-122-291) moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $35.57
$24.28
MSRP $35.57
$24.28
29
Radiator Coolant Hose Audi
Audi Positions: Upper
Description: A5. A4 allroad. 2.0L, front, 2018-20. 2021, front lower. Convertible, 2.0L, front. 2.0L, front, 2021-22. This factory Audi Radiator Coolant Hose (8W0-122-101-BH) moves heat out of the engine and charge air circuits, and because modern Audi engines run tig ...
MSRP $96.67
$69.60
MSRP $96.67
$69.60
29
Radiator Coolant Hose Audi
Audi Positions: Lower
Description: A5. A4 allroad. 2017-20. Coupe, 2.0L, front, 2018-20. Genuine Audi Radiator Coolant Hose 8W0-122-055-BN. This original equipment component moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a p ...
MSRP $231.67
$166.80
MSRP $231.67
$166.80
30
Engine Coolant Reservoir Overflow Hose Clamp Audi
Audi Notes: PARTS: Part included with lower hose. Part cannot be reused/reinstalled.
Description: This factory Audi Engine Coolant Reservoir Overflow Hose Clamp (N-906-870-01) 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. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $8.87
$6.02
MSRP $8.87
$6.02
31
Radiator Support Air Duct Audi
Audi Description: 2017-2019, auto trans. 2.0L 2020-24 40 tsfi. 2021-25. 2017-20. Convertible, upper. Coupe, 2.0 or 3.0L, upper. 2.0L 2020-25 45 tsfi. 2.9L. upper. Genuine Audi Radiator Support Air Duct 8W0-121-292-C. This original equipment component moves heat out of the ...
MSRP $33.58
$22.92
MSRP $33.58
$22.92
32
Radiator Support Air Duct Audi
Audi Description: 2.0L 2017-2019 auto trans. 2.0L 2020-24 40 tsfi. 2021-25. 2017-20. Convertible, lower. Coupe, 2.0 or 3.0L, lower. 2.0L 2020-25 45 tsfi. 2.9L. lower, rear. The original equipment Audi Radiator Support Air Duct supplied under part number 8W0-121-293-A moves ...
MSRP $56.67
$40.80
MSRP $56.67
$40.80