Radiator & Components for 2012 Audi A3
No.
Part # / Description / Price
Price
1
Radiator 
Audi
Audi Description: 2009-13, without awd. This factory Audi Radiator (8P0-198-251) 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. Confirm fitment against your vehicle identification number before ordering.
MSRP $1,078.33
$818.46
MSRP $1,078.33
$818.46
1
Radiator Audi
Audi Description: Without tts model. A3. 2.0l. With awd. With timing chain. 648 x 444mm. The original equipment Audi Radiator supplied under part number 5K0-121-251-AA moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal w ...
MSRP $445.57
$338.20
MSRP $445.57
$338.20
2
Radiator Support Splash Shield Bolt Audi
Audi Positions: Right
Description: This genuine Audi Radiator Support Splash Shield Bolt, part number N-908-082-03, 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 $3.08
$2.09
MSRP $3.08
$2.09
2
Radiator Support Splash Shield Bolt Audi
Audi Description: 2021-25, cover and components. 2.0L, diesel. 2008-10. 2018-20 SQ5. 2.5L, main. 2020. 2.0L 2006-08. With TT rs. 3.2L, main. Genuine Audi Radiator Support Splash Shield Bolt N-908-082-01. This original equipment component is a small but load bearing element ...
MSRP $2.78
$1.89
MSRP $2.78
$1.89
3
Inter-Cooler Upper Bracket Audi
Audi Positions: Left
Description: 2.0L, diesel. 2009-13. 2.5L, main. 2011-15 with awd, TT. 2011-15 with awd, tts. 2009 without awd. 2.0L 2006-08. Primary Radiator. 3.2L main. The original equipment Audi Inter-Cooler Upper Bracket supplied under part number 1K0-121-367-P is a small but loa ...
MSRP $58.98
$47.39
MSRP $58.98
$47.39
4
Inter-Cooler Lower Insulator Audi
Audi Positions: Right
Description: This factory Audi Inter-Cooler Lower Insulator (1K0-121-367-F) finishes an interior surface and hides the structure, wiring, and hardware behind it, while also carrying mounting provisions for switches, lighting, and adjacent trim pieces. 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 $17.20
$11.70
MSRP $17.20
$11.70
5
Radiator Air Seal Audi
Audi Notes: PARTS: Part included with radiator assembly.
Description: 2009-13. 2.5L, main. 2011-15 with awd, TT. 2011-15 with awd, tts, main. 2009 without awd. 2006-08. 3.2L, main. Listed under Audi part number 1K0-121-345-C, this Radiator Air Seal creates the sealing interface between two components, and because a seal is ...
MSRP $21.18
$14.46
MSRP $21.18
$14.46
7
Engine Coolant Reservoir Audi
Audi Description: A3. Q3. 2009-13. 2011-15 with awd, TT. 2009-2010 with awd, tts, main. 2011-15 with awd, tts, main. 2.0L, diesel. 2006-08. 3.2L, main. 2009 without awd. Audi part number 1K0-121-407-F, the factory Engine Coolant Reservoir, moves heat out of the engine and ...
MSRP $81.16
$61.35
MSRP $81.16
$61.35
8
Cap Audi
Audi Description: Audi part number 3B0-121-321, the factory Cap, 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. Confirm fitment against your vehicle identification number before ordering.
MSRP $37.18
$25.38
MSRP $37.18
$25.38
9
Engine Coolant Reservoir Cap Seal Audi
Audi Notes: PARTS: Part included with reservoir cap.
Description: Listed under Audi part number 1H0-121-687-A, this Engine Coolant Reservoir Cap 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. 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 $6.77
$4.60
MSRP $6.77
$4.60
12
Cooling System Bypass Line Adapter Audi
Audi Notes: PARTS: Part included with upper hose.
Description: 2.0L, diesel. Upper Radiator Coolant Hose. Incl.C-Clip and Seal. 2.0L, gas 2009-13. The original equipment Audi Cooling System Bypass Line Adapter supplied under part number 3C0-122-291 moves heat out of the engine and charge air circuits, and because mod ...
MSRP $59.65
$47.92
MSRP $59.65
$47.92
13
Radiator Coolant Hose Seal Audi
Audi Notes: PARTS: Part included with upper hose.
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
14
Radiator Coolant Hose C-Clip Audi
Audi Notes: PARTS: Part included with upper hose.
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
15
Radiator Coolant Hose Seal Audi
Audi Notes: PARTS: Part included with upper hose.
Description: This genuine Audi Radiator Coolant Hose Seal, part number 4E0-121-666, 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. 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 $10.04
$6.83
MSRP $10.04
$6.83
16
Radiator Coolant Hose C-Clip Audi
Audi Notes: PARTS: Part included with upper hose.
Description: This genuine Audi Radiator Coolant Hose C-Clip, part number 4E0-121-142, 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. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $6.47
$4.39
MSRP $6.47
$4.39
17
Radiator Coolant Hose Adapter Audi
Audi Notes: PARTS: Part included with upper hose.
Description: Upper Radiator Coolant Hose. T-piece. 2009-13. 2011-15 with awd, TT. This genuine Audi Radiator Coolant Hose Adapter, part number 1K0-121-087-R, moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal window ...
MSRP $98.31
$74.62
MSRP $98.31
$74.62
17
Cooling System Bypass Line Adapter Audi
Audi Description: 2.0L, gas 2009-13. Connector. Front Heater Pipe to Rear Heater Pipe.
17
Cooling System Bypass Line Adapter Audi
Audi Description: 2.0L, diesel. Genuine Audi Cooling System Bypass Line Adapter 03L-121-132-Q. 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 capac ...
MSRP $40.18
$26.90
MSRP $40.18
$26.90
17
Radiator Coolant Hose Adapter Audi
Audi Positions: Lower
Description: Lower Radiator Coolant Hose. Toward Radiator. 2.0L, diesel. Hose to Hose. 2.0L, front. Genuine Audi Radiator Coolant Hose Adapter N-906-931-01. This original equipment component moves heat out of the engine and charge air circuits, and because modern Audi ...
MSRP $15.56
$10.58
MSRP $15.56
$10.58
17
Radiator Coolant Hose Adapter Audi
Audi Positions: Lower
Description: Lower Radiator Coolant Hose. Incl.C-Clip,Clamp and Seal. 2009-13. 1.4L, engine cooling. 2011-15 with awd, TT. 2009-2010 with awd, TT. Genuine Audi Radiator Coolant Hose Adapter 1K0-122-291-AD. This original equipment component moves heat out of the engine ...
MSRP $221.64
$169.56
MSRP $221.64
$169.56
17
Cooling System Bypass Line Adapter Audi
Audi Description: Lower coupling. 2.0L, diesel. Lower Radiator Coolant Hose. At Radiator. Incl.C-Clip and Seal. This genuine Audi Cooling System Bypass Line Adapter, part number 1K0-122-291-BM, moves heat out of the engine and charge air circuits, and because modern Audi e ...
MSRP $35.57
$24.28
MSRP $35.57
$24.28
24
25
Engine Coolant Temperature Sensor O-Ring Audi
Audi Notes: PARTS: Part included with lower coupling.
Description: Genuine Audi Engine Coolant Temperature Sensor O-Ring N-903-168-02. 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. 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 $4.39
$2.99
MSRP $4.39
$2.99
26
Engine Coolant Temperature Sensor C-Clip Audi
Audi Notes: PARTS: Part included with lower coupling.
Description: This factory Audi Engine Coolant Temperature Sensor C-Clip (032-121-142) 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. It is supplied through the Audi dealer parts network and matches the component installed at the factory. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $2.73
$1.86
MSRP $2.73
$1.86
27
Radiator Coolant Hose Clip Audi
Audi Notes: PARTS: Part included with lower hose.
Description: Lower Radiator Coolant Hose. 2.0L, gas 2009-13. 2011-15 with awd, TT. 2.0L 2009-2010 with awd, TT. The original equipment Audi Radiator Coolant Hose Clip supplied under part number 2D0-121-129-A is a small but load bearing element of the assembly, and usi ...
MSRP $25.77
$17.59
MSRP $25.77
$17.59