Thermostats & Parts
availability
Genuine Audi Engine Coolant Thermostat Housing Gasket 04L121119B OEM TDI
Audi
04L-121-119-B
O-Ring.
$3.09
MSRP $5.57
Save $2.48
44.5% Off 
Genuine Audi Connector Tube 4N0121399S OEM A8 S8 D5 Authorized Dealer
Audi
4N0-121-399-S
4.0L upper. lower.
$28.07
MSRP $50.58
Save $22.51
44.5% Off 
Genuine Audi Thermostat Housing 079121115AT OEM V8 Authorized Dealer
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.
$658.72
MSRP $930.76
Save $272.04
29.2% Off 
Genuine Audi Water Inlet Tube 079121071CM OEM V8 Engine
Audi
079-121-071-CM
Without RS7, main, supply, rear. 4.0L with RS7 vent lines.
$104.85
MSRP $160.32
Save $55.47
34.6% Off 
Genuine Audi Thermostat Housing Inner Seal Gasket 04E121119C OEM A3
Audi
04E-121-119-C
Genuine Audi OEM Thermostat Housing Inner Seal (Part #04E-121-119-C) is engineered specifically for the Audi A3 and ships direct from an...
$5.01
MSRP $9.02
Save $4.01
44.5% Off 
Genuine Audi Vent Tube Vent Pipe 4G0121081BT OEM RS7
Audi
4G0-121-081-BT
Without RS7, main, supply, rear. 4.0L, main, supply, rear.
$24.85
MSRP $44.78
Save $19.93
44.5% Off 
Genuine Audi Thermostat 4B3121113A OEM
Audi
4B3-121-113-A
Genuine Audi OEM Thermostat (Part #4B3-121-113-A) is engineered specifically for the Audi A6 / A4 and ships direct from an authorized...
$245.95
MSRP $376.48
Save $130.53
34.7% Off 
Genuine Audi Water Pipe Connector Tube 06E121044AB OEM
Audi
06E-121-044-AB
Water pipe. 2017-19 3.0L. Connector tube. 2016-18, front. 3.0L gas front.
$27.75
MSRP $50.00
Save $22.25
44.5% Off 
Genuine Audi Hose & Tube Assembly Water Hose 80A122109AR OEM
Audi
80A-122-109-AR
3.0L, main hoses.
$80.65
MSRP $123.32
Save $42.67
34.6% Off 
Genuine Audi Thermostat Housing Thermostat Unit 079121115BG OEM RS5 A8 S5
Audi
079-121-115-BG
Genuine Audi Thermostat Housing 079-121-115-BG – Direct Replacement for Optimal Engine Cooling
Upgrade your vehicle’s cooling system...
$209.05
MSRP $320.00
Save $110.95
34.7% Off 
Genuine Audi Thermostat Cover Seal Gasket WHT000863 OEM Q7
Audi
WHT-000-863
Genuine Audi OEM Thermostat Cover Seal (Part #WHT-000-863) is engineered specifically for the Audi Q7 and ships direct from an...
$4.14
MSRP $7.46
Save $3.32
44.5% Off 
Genuine Audi Engine Coolant Pipe O-ring Lower Pipe O-Ring N90465003 OEM RS7
Audi
N-904-650-03
23 x 2.6mm. 4.0L with RS7 right front. 4.0L without RS7 main return. 3.0L.
$1.72
MSRP $3.10
Save $1.38
44.5% Off Genuine Audi Hose Breather Tube 8B3121081J OEM
Audi
8B3-121-081-J
Hose. 3.0L, front. 2.0L, front.
$8.07
MSRP $14.54
Save $6.47
44.5% Off 
Genuine Audi Hose Assembly Water Hose 1EA121053E OEM
Audi
1EA-121-053-E
Awd, rear, to 10/30/2023. Rwd with r-744 refrigerant rear.
$14.97
MSRP $26.98
Save $12.01
44.5% Off 
Genuine Audi Engine Coolant Outlet Gasket Union Gasket 06E121139H OEM
Audi
06E-121-139-H
Outlet Flange. 2012-15, main. 2016-18. 2017-19. Gas.
$15.31
MSRP $27.58
Save $12.27
44.5% Off 
Genuine Audi Distributor O-ring WHT007809 OEM Authorized Dealer
Audi
WHT-007-809
O-Ring. 80 x 4mm. 4.0L, #3. RS6 Avant. To housing. RS7 Sportback. Main. 80x4.
$15.16
MSRP $27.32
Save $12.16
44.5% Off Genuine Audi Adapter Seal Gasket 0EN901219A OEM
Audi
0EN-901-219-A
Drive motor-front.
$0.41
MSRP $0.62
Save $0.21
33.9% Off 
Genuine Audi Water Return Tube Engine Coolant Pipe 4M8121662 OEM RSQ8
Audi
4M8-121-662
Genuine Audi OEM Water Return Tube (Part #4M8-121-662) is engineered specifically for the Audi RSQ8 / Q8 / SQ8 and ships direct from an...
$114.10
MSRP $174.65
Save $60.55
34.7% Off 
Genuine Audi Engine Cover Ball Stud Front Cover Ball Stud WHT000355 OEM
Audi
WHT-000-355
Genuine Audi OEM Engine Cover Ball Stud (Part #WHT-000-355) is a factory-original component built to Audi's exact production...
$8.87
MSRP $15.98
Save $7.11
44.5% Off 
Genuine Audi Hose Assembly Hose 85H122175K OEM
Audi
85H-122-175-K
Genuine Audi OEM Hose Assembly (Part #85H-122-175-K) is a factory-original component built to Audi's exact production specifications....
$94.82
MSRP $144.98
Save $50.16
34.6% Off 
Genuine Audi Cross Tube 5Q0121070AP OEM Authorized Dealer
Audi
5Q0-121-070-AP
Genuine Audi OEM Cross Tube (Part #5Q0-121-070-AP) is a factory-original component built to Audi's exact production specifications. 0L,...
$55.58
MSRP $84.98
Save $29.40
34.6% Off 
Genuine Audi Water Hose 4KE819371J OEM A6 A7 C8 Authorized Dealer
Audi
4KE-819-371-J
Genuine Audi OEM Water Hose (Part #4KE-819-371-J) is a factory-original replacement part for the 2022 Audi A6 / A7. Center, # 12, from...
$16.86
MSRP $30.38
Save $13.52
44.5% Off 
Genuine Audi Distributor Gasket 0P2121139 OEM Authorized Dealer
Audi
0P2-121-139
Genuine Audi OEM Distributor Gasket (Part #0P2-121-139) is a factory-original component built to Audi's exact production specifications....
$6.69
MSRP $12.06
Save $5.37
44.5% Off 
Genuine Audi Engine Intake Manifold Bolt N10626801 OEM Authorized Dealer
Audi
N-106-268-01
Genuine Audi OEM Engine Intake Manifold Bolt (Part #N-106-268-01) is a factory-original component built to Audi's exact production...
$2.42
MSRP $4.36
Save $1.94
44.5% Off 
Genuine Audi Hose & Tube Assembly 1EA122049AL OEM Authorized Dealer
Audi
1EA-122-049-AL
Genuine Audi Hose & Tube Assembly is a genuine OEM cooling system component designed specifically for compatible Audi vehicles. This...
$416.46
MSRP $637.48
Save $221.02
34.7% Off 
Genuine Audi Engine Coolant Outlet Gasket 04L121688 OEM TDI
Audi
04L-121-688
Genuine Audi OEM Engine Coolant Outlet Gasket (Part #04L-121-688) is a factory-original component built to Audi's exact production...
$2.02
MSRP $3.65
Save $1.63
44.7% Off 
Genuine Audi Hose & Tube Assembly 1EA122050BH OEM Authorized Dealer
Audi
1EA-122-050-BH
Rwd with r-1234yf refrigerant right.
$75.20
MSRP $114.98
Save $39.78
34.6% Off 
Genuine Audi Front Pipe Gasket 079103121AH OEM V8 Engine
Audi
079-103-121-AH
Genuine Audi OEM Front Pipe Gasket (Part #079-103-121-AH) is a factory-original replacement part for the 2005-2007 Audi A4 / S4 / RS4....
$7.55
MSRP $13.61
Save $6.06
44.5% Off 
Genuine Audi Pipe Assembly Water Pipe 06E121044AF OEM
Audi
06E-121-044-AF
Genuine Audi OEM Pipe Assembly (Part #06E-121-044-AF) is a factory-original component built to Audi's exact production specifications....
$90.47
MSRP $138.33
Save $47.86
34.6% Off 
Genuine Audi Thermostat Unit O-ring Thermostat O-Ring 06B121119C OEM A3 TTS
Audi
06B-121-119-C
Genuine Audi OEM Thermostat Unit O-ring (Part #06B-121-119-C) is a factory-original replacement part for the 2009-2010 Audi A3 / TTS....
$3.79
MSRP $6.82
Save $3.03
44.4% Off 
Genuine Audi Connector Hose Engine Coolant Pipe 079121055AG OEM RS7
Audi
079-121-055-AG
Genuine Audi OEM Connector Hose (Part #079-121-055-AG) is engineered specifically for the Audi RS7 and ships direct from an authorized...
$9.96
MSRP $17.94
Save $7.98
44.5% Off 
Genuine Audi Engine Coolant Thermostat Gasket Thermostat Seal N90136802 OEM
Audi
N-901-368-02
Genuine Audi OEM Engine Coolant Thermostat Gasket (Part #N-901-368-02) is a factory-original component built to Audi's exact production...
$4.33
MSRP $7.80
Save $3.47
44.5% Off 
Genuine Audi Connector Tube Pipe 0EF907743S OEM Q8
Audi
0EF-907-743-S
Drive motor-rear single rear motor. from 07/11/2019. Drive motor-rear Q8. Connector tube.
$17.35
MSRP $31.26
Save $13.91
44.5% Off 
Genuine Audi Engine Coolant Thermostat Kit Thermostat 06E121111AL OEM Q5 S5 A6
Audi
06E-121-111-AL
Genuine Audi Engine Coolant Thermostat Kit is the factory-correct solution for maintaining precise engine temperature regulation in your...
$88.29
MSRP $134.99
Save $46.70
34.6% Off 
Genuine Audi Water Pipe Engine Coolant Pipe 06E121065H OEM
Audi
06E-121-065-H
3.2L return. Water pipe.
$114.32
MSRP $175.00
Save $60.68
34.7% Off 
Genuine Audi Cover Gasket Engine Coolant Outlet Gasket 06E121139D OEM
Audi
06E-121-139-D
3.2L, return. Outlet Flange.
$12.53
MSRP $22.58
Save $10.05
44.5% Off 
Genuine Audi Adapter Gasket Engine Coolant Outlet Gasket 079121043B OEM RS7
Audi
079-121-043-B
Outlet From Block. 4.0L, primary. 4.0L without RS7 main return. With RS7, front center.
$14.31
MSRP $25.78
Save $11.47
44.5% Off 
Genuine Audi Engine Coolant Pipe Cross Tube 4KE145948D OEM
Audi
4KE-145-948-D
Rear.
$61.90
MSRP $94.65
Save $32.75
34.6% Off 
Genuine Audi Engine Coolant Pipe 06N121085D OEM Authorized Dealer
Audi
06N-121-085-D
By-pass pipe. Water pipe. 2021-25, front upper, from 09/07/2021. Connector tube. Convertible, 2.0L, front.
$71.94
MSRP $110.00
Save $38.06
34.6% Off 
Genuine Audi Engine Coolant Thermostat Gasket 079121119C OEM V8
Audi
079-121-119-C
$13.94
MSRP $25.12
Save $11.18
44.5% Off 
Genuine Audi Engine Coolant Hose 04L121058G OEM TDI Authorized Dealer
Audi
04L-121-058-G
Inlet. Hose. 2.0L, diesel, intercooler.
$8.14
MSRP $14.66
Save $6.52
44.5% Off 
Genuine Audi Engine Coolant Pipe 06L121081K OEM Authorized Dealer
Audi
06L-121-081-K
Genuine Engine Coolant Pipe - OEM Replacement 06L-121-081-K
SKU : 06L-121-081-K
Warranty : 1-Year Manufacturer Warranty
Overview:...
$51.23
MSRP $78.34
Save $27.11
34.6% Off 
Genuine Audi Coolant Line 06D121492J OEM Authorized Dealer
Audi
06D-121-492-J
Genuine Audi Coolant Line is the genuine OEM return pipe assembly designed specifically for the Audi A4, fitting vehicles from serial...
$112.15
MSRP $171.66
Save $59.51
34.7% Off 
Genuine Audi Engine Coolant Pipe Water Pipe Pipe 8S0121071 OEM
Audi
8S0-121-071
Water pipe. 2.5L, rear.
$116.49
MSRP $178.31
Save $61.82
34.7% Off 
Genuine Audi Engine Coolant Pipe O-ring N90035103 OEM Authorized Dealer
Audi
N-900-351-03
O-Ring. 21 x 3mm. 2.5L rear. Front. Location-Rear of Engine Block.
$2.84
MSRP $5.13
Save $2.29
44.6% Off Genuine Audi Engine Coolant Pipe Connector Tube Pipe 04L121064AB OEM
Audi
04L-121-064-AB
2.0L, diesel intercooler. Connector tube.
$94.82
MSRP $144.98
Save $50.16
34.6% Off 
Genuine Audi Engine Coolant Pipe O-ring WHT001011 OEM Authorized Dealer
Audi
WHT-001-011
12.2 x 1.65mm. 5.2L rear. With RS7, vent lines. 4.0L with RS7 front center. 4.2L, feed. 4.0L without RS7 main supply. 4.2L, supply.
$1.15
MSRP $2.08
Save $0.93
44.7% Off 
Genuine Audi Engine Coolant Pipe Tube Pipe 4K0121075L OEM
Audi
4K0-121-075-L
Tube. Transmission cooler.
$34.43
MSRP $52.65
Save $18.22
34.6% 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!