Thermostats & Parts
availability
Engine Coolant Overflow Hose
Audi
8W0-121-081-DS
3.0L, 2018-19, lower. 2.9L main. #1. Convertible, 3.0L, 2018-19, #4.
$62.40
MSRP $86.66
Save $24.26
28% Off 
Engine Coolant Reservoir Hose
Audi
8W1-121-081-BF
3.0L, 2020-25, upper. Convertible, 3.0L, 2020-24, #2.
$40.74
MSRP $54.32
Save $13.58
25% Off 
Engine Coolant Crossover Pipe
Audi
8W1-121-070
Convertible, 3.0L, 2018-19.
$57.50
MSRP $76.67
Save $19.17
25% Off 
Engine Coolant Pipe
Audi
06E-121-083-F
Water pipe. 2012-15, return. Gas, return. Tube assy. 3.0L 2010-2012 hoses & pipes. Cooling pipe. 3.0L, supercharger, 2010-12.
$172.80
MSRP $240.00
Save $67.20
28% Off 
Engine Coolant Pipe
Audi
079-121-065-CR
Tube. 4.0L without RS7 auxiliary rear.
$110.15
MSRP $152.98
Save $42.83
28% Off 
Engine Coolant Crossover Pipe
Audi
079-121-071-BJ
Water manifold. 4.2L, feed, 2007-11. 4.2L supply. Connector pipe.
$716.99
MSRP $919.22
Save $202.23
22% Off 
Engine Coolant Pipe
Audi
8B3-819-334-F
Water hose. 2.0L, heater hoses.
$25.63
MSRP $41.00
Save $15.37
37.5% Off 
Tube Assembly
Audi
9J1-121-070-B
2022-24, left/center, rear.
$106.19
MSRP $147.49
Save $41.30
28% Off 
Automatic Transmission Oil Cooler Control Valve
Audi
059-121-465-B
Diesel, lower, 2013-14. Outlet tube. 3.0L diesel, return.
$32.24
MSRP $51.58
Save $19.34
37.5% Off 
Engine Coolant Pipe
Audi
9J1-121-177
2022-24 rear drive unit. Connector hose.
$13.55
MSRP $21.68
Save $8.13
37.5% Off 
Engine Coolant Pipe
Audi
0EL-901-045-F
Drive motor-front. Pipe.
$42.99
MSRP $57.31
Save $14.32
25% Off 
Engine Coolant Pipe
Audi
4H0-121-481-P
Pipe. 4.2L, return, rear.
$95.99
MSRP $133.32
Save $37.33
28% Off 
Engine Coolant Pipe
Audi
8B3-145-910-AL
Hose assy. 3.0L, left/front.
$62.50
MSRP $83.34
Save $20.84
25% Off 
Engine Coolant Outlet Gasket
Audi
037-121-687
Outlet Flange. O-Ring. 36 x 3.15mm. 6.0L, vapor canister & sensors.
$4.60
MSRP $7.08
Save $2.48
35% Off 
Engine Coolant Thermostat Housing Gasket
Audi
07K-121-139-A
Rear. TT RS Quattro. RS3. 2.5L.
$6.73
MSRP $10.76
Save $4.03
37.5% Off 
Engine Coolant Overflow Hose
Audi
8K0-121-081-BK
Water hose. 3.0L, supply. 2.0L 2017-2019 manual trans. Breather tube. 3.0L, main, from 4/9/2012. 2017-20. 3.0L, from 04/09/2012.
$158.40
MSRP $219.99
Save $61.59
28% Off 
Support Brace Bolt
Audi
N-101-961-05
Support brace,bolt. Diesel, main, 2010-12. 3.0L, main.
$2.20
MSRP $3.38
Save $1.18
34.9% Off 
Engine Coolant Pipe O-Ring
Audi
WHT-000-862
29 x 3.5mm. 4.2L supply upper. 3.6L main.
$2.67
MSRP $4.10
Save $1.43
34.9% Off 
Engine Coolant Thermostat Kit
Audi
079-121-115-BG
Incl.Gasket,Housing and Thermostat. R8. Rs 5. S5. A8. 4.2L, primary.
$230.40
MSRP $320.00
Save $89.60
28% Off 
Engine Coolant Crossover Pipe
Audi
059-121-075-FE
Diesel, lower, 2013-14. Tube assy. 3.0L diesel, supply.
$134.39
MSRP $186.65
Save $52.26
28% Off 
Water Inlet Pipe
Audi
06E-121-065-S
Water inlet pipe. 2017-19. 2016-18, rear. 3.0L gas rear.
$90.47
MSRP $125.65
Save $35.18
28% Off 
Thermostat Housing
Audi
04E-121-116-C
Incl.Gasket. A3. 1.4L.
$127.19
MSRP $176.65
Save $49.46
28% Off 
Thermostat with Housing
Audi
06H-121-111-R
Thermostat with Housing, gaskets.
$308.99
MSRP $429.15
Save $120.16
28% Off 
Thermo-Pneumatic Valve
Audi
06M-121-678-H
Thermo-Pneumatic Valve. Incl.Gasket,Housing and Thermostat. 2.9L. A8 Quattro. Convertible, 3.0L, main. 2020-24 3.0L. 3.0L, with plug-in...
$137.39
MSRP $190.82
Save $53.43
28% Off 
Engine Coolant Pipe
Audi
8W0-121-081-BK
2.0L front. to 06/26/2017.
$18.99
MSRP $30.38
Save $11.39
37.5% Off 
HVAC Heater Hose
Audi
4G0-122-096-AD
Outlet. Connector to Auxiliary Water Pump. Incl.Connector. Tube assy. 2016-18, rear. 3.0L gas rear.
$30.61
MSRP $48.98
Save $18.37
37.5% Off 
Engine Coolant Pipe
Audi
4F0-121-034-A
Water pipe. 5.2L, return.
$78.71
MSRP $109.32
Save $30.61
28% Off 
Engine Coolant Pipe
Audi
4KE-121-036-F
Center, from 02/14/2022. Hose assy. Center, single charging port. Center, dual charging port. E-tron Quattro. From 02/14/22. Q8 e-tron....
$104.39
MSRP $144.98
Save $40.59
28% Off 
Engine Coolant Pipe
Audi
4N0-145-931-D
3.0L, with plug-in hybrid, auxiliary, #3.
$63.59
MSRP $88.32
Save $24.73
28% Off 
Engine Coolant Pipe
Audi
4K0-121-525-A
2.0L, high voltage battery charger and controls, #1.
$116.39
MSRP $161.65
Save $45.26
28% Off 
Engine Coolant Pipe
Audi
4H0-121-081-S
Tube assy. 6.3L, primary.
$135.11
MSRP $187.65
Save $52.54
28% Off 
Engine Coolant Pipe
Audi
4KE-121-609-T
Center, dual charging port, upper.
$49.01
MSRP $65.35
Save $16.34
25% Off 
Engine Water Pump Outlet Pipe
Audi
4H0-122-447
ATF Cooler. Inlet. Auxiliary Water Pump To Pipe. 4.0L, auxiliary, A8, a8l, al8 sport.
$118.07
MSRP $163.98
Save $45.91
28% Off 
Engine Coolant Pipe
Audi
4KE-121-611-P
Center, single charging port, # 7. Center. # 8 to 02/14/2022. Center, # 8, from 02/14/2022.
$22.74
MSRP $36.38
Save $13.64
37.5% Off 
Engine Coolant Thermostat Gasket
Audi
059-121-139-A
Q7. Diesel, main, 2010-12. 3.0L, main.
$6.73
MSRP $10.76
Save $4.03
37.5% Off 
Engine Coolant Pipe
Audi
079-121-065-BN
Tube. 4.2L, return.
$251.39
MSRP $349.15
Save $97.76
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