Cooling Systems
availability
Engine Coolant Overflow Hose
Audi
059-121-731-D
Connector tube. Connector hose. Vent tube. 3.0L diesel, return.
$18.59
MSRP $29.98
Save $11.39
38% Off 
Radiator Coolant Hose Adapter
Audi
5Q0-122-291-DA
Upper Radiator Coolant Hose. At Water Pump Housing. Incl.C-Clip,Clamp and Seal. Convertible, 1.8L. Sedan, engine code cntc. 2.0L, code...
$35.27
MSRP $58.78
Save $23.51
40% Off 
Radiator Support Air Duct
Audi
8T0-121-283-T
Duct. Convertible, 3.0L. Coupe, 3.0L.
$251.34
MSRP $355.00
Save $103.66
29.2% Off 
Sensor
Audi
04L-906-088-JE
Emissions temp sensor. A3. Location-Before Diesel Particulate Filter. Diesel, filter & components, before filter.
$171.09
MSRP $241.65
Save $70.56
29.2% Off 
HVAC Heater Hose
Audi
4M0-819-372-DH
Primary HVAC. Auxiliary Water Pump To Pipe. Toward Heater Core.
$29.63
MSRP $49.38
Save $19.75
40% Off Engine Coolant Hose
Audi
078-121-188-B
Pipe to Throttle Body. All Required.
$15.12
MSRP $24.38
Save $9.26
38% Off 
Engine Cooling Fan Motor
Audi
3Q0-959-455-C
Incl.Fan Blade. Q3. To 1/18/21. TT RS Quattro. Right. RS3. 2.5L, to 01/18/2021.
$353.10
MSRP $498.73
Save $145.63
29.2% Off 
Radiator Lower Insulator
Audi
7L0-121-275
Diesel, main. Engine Cooling Radiator. Gas, main. Primary Radiator. 3.6L. 4.2L. 3.0L, main.
$60.96
MSRP $84.67
Save $23.71
28% Off 
Engine Coolant Crossover Pipe
Audi
059-121-075-FE
Diesel, lower, 2013-14. Tube assy. 3.0L diesel, supply.
$132.15
MSRP $186.65
Save $54.50
29.2% Off 
Oil Cooler
Audi
079-117-015-P
A8. A6. Rs 5. S5. 4.2L, RS4.
$350.46
MSRP $495.01
Save $144.55
29.2% Off 
Engine Coolant Hose
Audi
7L0-121-109-F
Thermostat to Pipe. 3.6L, without rear a/c.
$12.51
MSRP $19.39
Save $6.88
35.5% Off 
Bumper Cover Spacer Panel
Audi
4M8-807-514-A-1RR
2019-23, platinum gray.
$109.79
MSRP $152.48
Save $42.69
28% Off 
Radiator Support Baffle
Audi
8W6-121-283-AG
Outer 2.0L, to 02/19/2018.
$42.00
MSRP $58.33
Save $16.33
28% Off 
Air Charge Temperature Sensor
Audi
06B-905-379-G
Q3. Allroad. A4. 1.8l. To vin 8e3100000. A4 Cabriolet. 2.0l. To Chassis/VIN 8E-3-100 000. Convertible, 2.0L.
$83.99
MSRP $116.65
Save $32.66
28% Off 
Upper Mount
Audi
5Q0-121-367-F
Auxiliary Radiator. Engine Cooling. 1.4L, hybrid controler cooling.
$39.95
MSRP $55.48
Save $15.53
28% Off Radiator Coolant Hose
Audi
4S0-121-055-C
Radiator Location-Front Left. Front Pipe to Radiator.
$24.66
MSRP $39.78
Save $15.12
38% Off 
Bumper Cover Spacer Panel
Audi
4M8-807-320
Trim plate. 2019-23.
$46.31
MSRP $64.32
Save $18.01
28% Off 
Engine Coolant Temperature Sensor O-Ring
Audi
WHT-005-521
Location-Engine. Location-Cylinder Head.
$0.71
MSRP $1.06
Save $0.35
33% Off 
Upper Hose & Tube
Audi
9J1-121-661
2022-24, left/center, rear.
$70.79
MSRP $98.32
Save $27.53
28% Off 
Oil Cooler
Audi
427-317-021-B
4.2L manual trans. convertible.
$430.43
MSRP $618.43
Save $188.00
30.4% Off Air Flow Tube Bushing
Audi
8K0-129-734-A
3.0L, coolers and components. 2020-24, intercooler. 3.0L, intercooler.
$11.91
MSRP $18.45
Save $6.54
35.4% Off 
Support Brace Bolt
Audi
N-101-961-05
Support brace,bolt. Diesel, main, 2010-12. 3.0L, main.
$2.26
MSRP $3.38
Save $1.12
33.1% Off 
Oil Cooler
Audi
077-117-021-Q
4.2L, 2000-03. 4.2L, 2004-06.
$306.79
MSRP $433.32
Save $126.53
29.2% Off 
Radiator Support Air Deflector
Audi
8W0-121-764-D
2019 A4, with s-line or S4.
$51.60
MSRP $71.66
Save $20.06
28% Off 
Water Pump
Audi
059-121-008-J
Diesel, main, 2013-15, new.
$206.90
MSRP $292.24
Save $85.34
29.2% Off 
Radiator Coolant Hose Adapter
Audi
1J0-122-351
Check valve. 3.2L, return, manual trans. 3.2L, return, auto trans.
$64.79
MSRP $89.98
Save $25.19
28% Off 
Radiator Support Panel
Audi
95C-807-617-D
Mount components, from 02/10/2025.
$288.14
MSRP $406.98
Save $118.84
29.2% Off 
HVAC Heater Hose
Audi
4N0-819-334-AR
3.0L, without plug-in hybrid heater hoses. #1.
$25.91
MSRP $43.18
Save $17.27
40% Off 
Engine Coolant Hose
Audi
5WA-122-157-AG
ATF Cooling. Cooler to Upper Radiator Coolant Hose Adapter. Auxiliary Water Pump. HVAC System. Inlet. Engine code: dsfa, left side....
$42.35
MSRP $58.82
Save $16.47
28% Off 
Lower Insulator
Audi
1EA-121-367-G
Awd with r-1234yf refrigerant. Rwd with r-744 refrigerant.
$30.71
MSRP $51.18
Save $20.47
40% Off 
Radiator Support Panel Bolt
Audi
N-107-188-01
M6x16. 2.0L plug-in hybrid. 12 volt auxiliary. 1.4L. 2.0L rear. Mount bracket,bolt. 2.0L, right.
$0.82
MSRP $1.22
Save $0.40
32.8% Off 
HVAC Heater Hose
Audi
4H0-121-105
Auxiliary A/C & Heater. Underbody Pipe to Pipe. Front.
$10.24
MSRP $15.89
Save $5.65
35.6% Off 
Connector Hose
Audi
85E-122-055-E
Left/front. Connector hose.
$98.39
MSRP $136.65
Save $38.26
28% Off 
No results found. Here are some helpful search tips:
- Search by a part name. Example: water pump.
- Be less specific. Example: brake instead of ceramic brake.
- Remove information such as make, year or model.
- Can't find the part you are looking for? Contact us and we'll find it for you!