Thermostats & Parts
Engine Coolant Thermostat Housing Gasket
Audi
04L-121-119-B
O-Ring.
$3.73
MSRP $5.57
Save $1.84
33% Off 
2019-2024 Audi - Connector Tube
Audi
4N0-121-399-S
4.0L upper. lower.
$30.35
MSRP $50.58
Save $20.23
40% Off 
2008-2015 Audi - Thermostat Housing
Audi
079-121-115-AT
Incl.Gasket,Housing and Thermostat. Main, 5.2L. R8. Main, 4.2L. From 01/29/2014. From 02/17/2014. To 02/17/2014. A6.
$695.75
MSRP $930.76
Save $235.01
25.2% Off 
2013-2018 Audi - Water Inlet Tube
Audi
079-121-071-CM
Without RS7, main, supply, rear. 4.0L with RS7 vent lines.
$115.43
MSRP $160.32
Save $44.89
28% Off 
2020-2021 Audi A8 Quattro - Tube Assembly
Audi
4N0-121-085-B
3.0L, with plug-in hybrid, heater hoses, rear.
Engine Water Pump Housing Gasket
Audi
04E-121-119-C
Thermostat housing gasket. A3. 1.4L.
$6.04
MSRP $9.02
Save $2.98
33% Off 
2013-2015 Audi - Vent Tube
Audi
4G0-121-081-BT
Without RS7, main, supply, rear. 4.0L, main, supply, rear.
$26.87
MSRP $44.78
Save $17.91
40% Off 
Engine Coolant Crossover Pipe
Audi
079-121-071-BJ
Water manifold. 4.2L, feed, 2007-11. 4.2L supply. Connector pipe.
2016-2019 Audi - Water Pipe
Audi
06E-121-044-AB
Water pipe. 2017-19 3.0L. Connector tube. 2016-18, front. 3.0L gas front.
$30.00
MSRP $50.00
Save $20.00
40% Off 
2021-2024 Audi - Hose & Tube Assembly
Audi
80A-122-109-AR
3.0L, main hoses.
$88.79
MSRP $123.32
Save $34.53
28% Off 
2008-2015 Audi - Thermostat Housing
Audi
079-121-115-BG
Incl.Gasket,Housing and Thermostat. R8. Rs 5. S5. A8. 4.2L, primary.
$226.56
MSRP $320.00
Save $93.44
29.2% Off 
2007-2010 Audi Q7 - Thermostat Cover Seal
Audi
WHT-000-863
O-Ring. 3.6L main. Q7.
$5.00
MSRP $7.46
Save $2.46
33% Off 
Engine Coolant Pipe O-Ring
Audi
N-904-650-03
23 x 2.6mm. 4.0L with RS7 right front. 4.0L without RS7 main return. 3.0L.
$2.08
MSRP $3.10
Save $1.02
32.9% Off 
Engine Coolant Pipe
Audi
8B3-121-081-J
Hose. 3.0L, front. 2.0L, front.
$9.38
MSRP $14.54
Save $5.16
35.5% Off 
Engine Coolant Pipe
Audi
1EA-121-053-E
Awd, rear, to 10/30/2023. Rwd with r-744 refrigerant rear.
$16.73
MSRP $26.98
Save $10.25
38% Off 
2009-2019 Audi - Engine Coolant Outlet Gasket
Audi
06E-121-139-H
Outlet Flange. 2012-15, main. 2016-18. 2017-19. Gas.
$17.10
MSRP $27.58
Save $10.48
38% Off 
Engine Coolant Pipe
Audi
1EA-121-449-N
Rwd with r-744 refrigerant left. Hose. Rwd with r-1234yf refrigerant left. from 10/30/2023.
2019-2025 Audi - Distributor O-Ring
Audi
WHT-007-809
O-Ring. 80 x 4mm. 4.0L, #3. RS6 Avant. To housing. RS7 Sportback. Main. 80x4.
$16.94
MSRP $27.32
Save $10.38
38% Off 
2020-2025 Audi - Water Return Tube
Audi
4M8-121-662
4.0L, alternator, rsq8.
$123.65
MSRP $174.65
Save $51.00
29.2% Off 
Engine Coolant Pipe
Audi
5Q0-121-070-AP
2.0L, code dlra left side. Cross tube. 2.0L, code dlra, auxiliary- right side. Sedan/wagon, engine code cyfb, auxiliary radiator, right...
$61.19
MSRP $84.98
Save $23.79
28% Off 
Pipe
Audi
079-121-481-R
4.2L, feed, 2007-10. Water pipe. 4.2L, return, 2007-11. Q7. 4.2l. Front. 4.2L, return, RS4.
2022-2023 Audi - Water Hose
Audi
4KE-819-371-J
Center, # 12, from 02/14/2022.
$18.84
MSRP $30.38
Save $11.54
38% Off 
2019-2025 Audi - Distributor Gasket
Audi
0P2-121-139
Gasket. 4.0L. Main.
$7.78
MSRP $12.06
Save $4.28
35.5% Off 
Engine Intake Manifold Bolt
Audi
N-106-268-01
Bolt. 6 x 70mm. Valves and components. 3.0L. M6x70. 4.2L, upper.
$2.92
MSRP $4.36
Save $1.44
33% Off 
Engine Coolant Pipe
Audi
1EA-122-049-AL
Hose & tube assy. Rwd, left.
$443.69
MSRP $637.48
Save $193.79
30.4% Off 
Engine Coolant Outlet Gasket
Audi
04L-121-688
O-Ring. Outlet Flange. 2.0L, diesel, main.
$2.44
MSRP $3.65
Save $1.21
33.2% Off 
2016-2018 Audi - Tube Assembly
Audi
4G0-122-096-AD
Outlet. Connector to Auxiliary Water Pump. Incl.Connector. Tube assy. 2016-18, rear. 3.0L gas rear.
Engine Coolant Pipe
Audi
1EA-122-050-BH
Rwd with r-1234yf refrigerant right.
$82.79
MSRP $114.98
Save $32.19
28% Off 2024-2025 Audi - Hose & Tube Assembly
Audi
1EA-122-049-BE
Rwd with r-1234yf refrigerant left. from 10/30/2023.
Engine Coolant Pipe Gasket
Audi
079-103-121-AH
4.2L, feed, 2007-10. 4.2L, return, 2005-06. 4.2L, return, A4/S4. 4.2L, return, 2007-11. 4.2L, return, RS4.
$8.77
MSRP $13.61
Save $4.84
35.6% Off 
2005-2015 Audi - Pipe Assembly
Audi
06E-121-044-AF
Water pipe. Gas. Pipe assy. 3.2L, return. Tube assy. 3.0L, return. 3.2L, from 5/04/10.
$99.60
MSRP $138.33
Save $38.73
28% Off 
2002-2010 Audi - Thermostat Unit O-Ring
Audi
06B-121-119-C
O-Ring. 56 x 3mm. 3.0L v6. 2009 without awd, main. A3. 2.0l. 2009-2010 with awd, tts.
$4.57
MSRP $6.82
Save $2.25
33% Off 
2013-2018 Audi - Connector Hose
Audi
079-121-055-AG
ATF Cooler. Outlet. Pipe To Auxiliary Water Pump. Water Hose. Connector hose. 4.0L with RS7 rear.
$11.57
MSRP $17.94
Save $6.37
35.5% Off 
2005-2009 Audi A8 Quattro - Connector Pipe
Audi
07C-121-485-A
6.0L feed from vin 4e6008012. Connector pipe. 6.0L feed to vin 4e6008011.
1985-2009 Audi - Engine Coolant Thermostat Gasket
Audi
N-901-368-02
$5.23
MSRP $7.80
Save $2.57
32.9% Off 
2021-2022 Audi A7 Sportback - Tube Assembly
Audi
4K0-121-525-A
2.0L, high voltage battery charger and controls, #1.
2021-2024 Audi RS7 Sportback - Oil Cooler Tube
Audi
4M0-121-485-CQ
Oil cooler tube. Transmission cooler.
2019-2025 Audi - Connector Tube
Audi
0EF-907-743-S
Drive motor-rear single rear motor. from 07/11/2019. Drive motor-rear Q8. Connector tube.
$19.38
MSRP $31.26
Save $11.88
38% Off 
2020-2021 Audi A8 Quattro - Engine Coolant Pipe
Audi
4N0-145-931-D
3.0L, with plug-in hybrid, auxiliary, #3.
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