Thermostats & Parts
Engine Coolant Pipe
Audi
0EL-901-045-C
Drive motor-front. Cooling pipe.
$39.55
MSRP $57.31
Save $17.76
31% Off 
Engine Coolant Pipe
Audi
079-121-065-P
Water manifold. S4, RS4. Cabriolet S4. 4.2L, return, 2005-06. 4.2L A4/S4 return. Q7.
$177.09
MSRP $256.65
Save $79.56
31% Off 
Engine Coolant Pipe
Audi
1EA-122-050-BJ
Awd, right, to 10/18/2021.
$79.34
MSRP $114.98
Save $35.64
31% Off 
Engine Coolant Pipe
Audi
4KE-819-362-R
Center, single charging port, # 2. Center. # 2 to 02/14/2022. Center, # 2, from 02/14/2022.
Engine Water Pump Outlet Pipe
Audi
4H0-122-447
ATF Cooler. Inlet. Auxiliary Water Pump To Pipe. 4.0L, auxiliary, A8, a8l, al8 sport.
Water Inlet Tube
Audi
8K0-145-931-D
Water inlet tube. 3.0L, auxiliary, 2010-12. 3.0L, hoses & pipes, 2010-2012.
Water Pipe O-Ring
Audi
N-013-830-2
Diesel, auxiliary. 3.0L, auxiliary.
$1.73
MSRP $1.92
Save $0.19
9.9% Off 
Engine Coolant Thermostat Kit
Audi
06E-121-111-M
Incl.Gasket,Housing and Thermostat. Q5. A5. 3.2L. A4.
$116.15
MSRP $168.34
Save $52.19
31% Off 
Engine Coolant Pipe
Audi
4KE-819-371-H
Center, single charging port, # 9.
$17.47
MSRP $30.38
Save $12.91
42.5% Off 
Engine Coolant Hose
Audi
06D-121-058-Q
Oil Cooler. Cooler to Pipe. Cooler line. 2.0L, return.
$12.03
MSRP $20.92
Save $8.89
42.5% Off 
Support Brace Bolt
Audi
N-101-961-05
Support brace,bolt. Diesel, main, 2010-12. 3.0L, main.
$3.04
MSRP $3.38
Save $0.34
10.1% Off 
Cooling System Bypass Line Adapter
Audi
4Z7-121-243
4.2L, feed. T-piece. 4.2L, supply, A4/S4. 4.2L main. rear.
$22.76
MSRP $39.58
Save $16.82
42.5% Off 
HVAC Heater Hose
Audi
8W0-819-332-AB
Inlet. Pipe To Auxiliary Water Pump. 2.9L #1 auxiliary. Coolant hose.
$41.27
MSRP $59.81
Save $18.54
31% Off 
Engine Coolant Pipe
Audi
4K0-145-938
2.9L, left upper, #3. 2.9L, main, left side, lower, #1.
$56.35
MSRP $81.67
Save $25.32
31% Off 
Engine Coolant Pipe
Audi
4H0-121-081-S
Tube assy. 6.3L, primary.
$129.48
MSRP $187.65
Save $58.17
31% Off Hose & Tube Assembly
Audi
1EA-122-050-CR
Awd with r-1234yf refrigerant right. from 11/13/2023.
Engine Coolant Pipe
Audi
80A-819-377-Q
Water pipe. 3.0L, heater hoses.
$51.28
MSRP $74.32
Save $23.04
31% Off 
Gasket
Audi
06M-117-070-G
2.9L. Q8. 2020-24. Oil cooler gasket. A8 Quattro. Convertible, 3.0L. 3.0L, with plug-in hybrid.
$5.56
MSRP $6.18
Save $0.62
10% Off 
Engine Coolant Pipe
Audi
8W1-819-377-A
Cooling pipe. Center hose. Coupe, 3.0L.
$136.95
MSRP $198.48
Save $61.53
31% Off 
Hose & Tube Assembly
Audi
1EA-121-055-G
Awd with r-744 refrigerant right. lower.
$25.17
MSRP $43.78
Save $18.61
42.5% Off 
Engine Water Pump
Audi
06L-121-012-L
Convertible, 1.8L, main.
$169.04
MSRP $244.99
Save $75.95
31% Off 
Engine Coolant Pipe
Audi
4K0-121-070-AG
2.9L right. outer. 2.9L, main, left side, lower, #4.
$106.36
MSRP $154.14
Save $47.78
31% Off 
Hose & Tube Assembly
Audi
1EA-122-049-AR
Awd with r-1234yf refrigerant left. Hose & tube assy.
$84.18
MSRP $122.00
Save $37.82
31% Off 
Connector Pipe
Audi
1EA-121-052-E
Rwd with r-1234yf refrigerant rear. to 10/30/2023.
$28.66
MSRP $49.83
Save $21.17
42.5% Off 
Engine Coolant Pipe
Audi
4G0-121-071-AA
Lower pipe. Without RS7, main, supply.
$76.00
MSRP $110.15
Save $34.15
31% Off 
Engine Coolant Pipe
Audi
1J0-121-087-C
1.8L 225 horsepower. all. 1.8L 180 horsepower. without ac. 1.8L, 225 horsepower, without ac.
$23.45
MSRP $40.78
Save $17.33
42.5% Off 
Engine Coolant Crossover Pipe
Audi
059-121-075-FE
Diesel, lower, 2013-14. Tube assy. 3.0L diesel, supply.
$128.79
MSRP $186.65
Save $57.86
31% Off 
Thermostat Unit
Audi
07K-121-115-D
2.5L, main. Incl.Gasket,Housing and Thermostat. TT.
$299.82
MSRP $438.33
Save $138.51
31.6% Off 
Engine Coolant Pipe
Audi
4H0-121-399-H
Water feed tube. 4.0L.
$38.28
MSRP $55.48
Save $17.20
31% Off 
Engine Coolant Thermostat Housing
Audi
04E-121-121-L
Thermostat Location-Water Pump Housing. 1.4L.
$11.83
MSRP $20.59
Save $8.76
42.5% Off 
Engine Coolant Pipe O-Ring
Audi
06E-121-119-A
31.9 x 3.3mm. 3.2L, supply.
$6.49
MSRP $7.21
Save $0.72
10% Off 
Engine Coolant Pipe
Audi
4N0-121-083-A
Tube assy. 3.0L, without plug-in hybrid, main.
$82.44
MSRP $119.49
Save $37.05
31% Off 
Engine Coolant Pipe
Audi
079-121-070-BS
4.2L feed. Connector pipe.
$193.19
MSRP $279.98
Save $86.79
31% Off 
Engine Coolant Pipe O-Ring
Audi
WHT-000-881
28 x 4.5mm. 4.2L, feed, 2007-10. Rear, 4.2L, front, #1. 5.2L feed. 4.2L, return, 2007-11. 4.2L, supply, lower. 4.2L, manual trans,...
$8.81
MSRP $9.79
Save $0.98
10% Off 
Engine Coolant Hose
Audi
077-121-081-B
Connector hose. Auxiliary Radiator. Left. Radiator to Pipe. Auxiliary Water Pump To Pipe.
Engine Coolant Hose
Audi
079-121-081
Engine Oil Cooler. Lower Hose From Water Pump Housing. Lower pipe. Without RS7, main, return.
$109.25
MSRP $158.34
Save $49.09
31% Off 
Engine Coolant Pipe
Audi
06Q-121-065-C
Tube. Engine code: dnvb or dywa, upper. Engine code: dsfa, right side. Engine code: dsfd, right side.
$10.86
MSRP $18.88
Save $8.02
42.5% 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!