Thermostats & Parts
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Support Brace Bolt
Part Number: N-101-961-05
Audi Other Names: Thermostat Unit Bolt, Water Pump Bolt, Bolt
Replaces: N-101-961-02
Description: Diesel, main, 2010-12. 3.0L, main.
Fits:
- Audi:
- A8 Quattro,
- Q7,
- S8
MSRP $3.38
$2.33
Outlet Pipe
Part Number: 07P-121-131-C
Audi Other Names: Adapter
Description: 6.3L, auxiliary, right side.
Fits:
- Audi:
- A8 Quattro
Backordered
Cooler Pipe
Part Number: 80A-121-400-B
Audi Other Names: Pipe
Description: 2.0L, main hoses.
Fits:
- Audi:
- Q5
MSRP $121.67
$97.82
Water Inlet Pipe
Part Number: 06M-121-085-AF
Audi Other Names: Tube, Pipe
Replaces: 06M-121-085-H
Description: 3.0L, #3. 2020-24, #3.
Fits:
- Audi:
- Q7,
- Q8,
- S4,
- SQ5,
- SQ5 Sportback
MSRP $100.14
$80.52
Tube
Part Number: 06M-121-418-C
Audi Other Names: Cap
Replaces: 06M-121-418-B
Description: 2.9L, main, right side, #3, from 08/19/2024. Alternator, lower.
Fits:
- Audi:
- A6 allroad,
- S7 Sportback
MSRP $10.67
$7.37
Tube
Part Number: 06M-121-481-AG
Audi Other Names: Pipe
Replaces: 06M-121-481-AC, 06M-121-481-P
Description: 2.9L, main.
Fits:
- Audi:
- RS5,
- RS5 Sportback
MSRP $194.99
$154.44
Tube Assembly O-Ring
Part Number: 06M-121-488-A
Audi Notes: Included with Tube assembly. Included with upper water pipe.
Other Names: Water Pipe Gasket, Engine Coolant Pipe Gasket, Upper Pipe Gasket, Gasket
Description: Alternator Cooling Pipe. 3.0L, without plug-in hybrid, alternator. From 07/08/2019.
Fits:
- Audi:
- A6 allroad,
- A6 Quattro,
- A7 Sportback,
- A8 Quattro,
- Q7,
MSRP $6.70
$4.62
Tube Assembly
Part Number: 06M-121-661-J
Audi Other Names: Water Pipe, Tube, Cooling Pipe, Upper Pipe, Engine Coolant Pipe, Pipe
Replaces: 06M-121-661-D, 06M-121-661-F, 06M-121-661-H
Description: 2.9L, main, right side, #2. 2.9L, alternator, #3, from 01/15/2024. 3.0L, without plug-in hybrid alternator. Tube assy.
Fits:
- Audi:
- A6 allroad,
- A6 Quattro,
- A7 Sportback,
- A8 Quattro,
- Q7,
MSRP $176.67
$139.92
Breather Tube
Part Number: 06M-121-692-AF
Audi Other Names: Breather
Description: 3.0L, with plug-in hybrid, main, upper.
Fits:
- Audi:
- A8 Quattro
MSRP $109.32
$87.89
Connector Hose
Part Number: 079-103-237-A
Audi Notes: Included with intercooler. Included with duct assembly.
Other Names: Hose, Venthose
Description: 4.0L. With RS7.
Fits:
- Audi:
- A8 Quattro,
- RS7,
- S6,
- S7,
- S8
MSRP $76.67
$62.56
Water Manifold
Part Number: 079-121-065-P
Audi Applications: 4.2L. 8 CYLINDER.
Other Names: Pipe, Engine Coolant Pipe, Upper Pipe
Description: S4, RS4. Water manifold. Cabriolet S4. 4.2L, return, 2005-06. Q7.
Fits:
- Audi:
- A6 Quattro,
- Q7,
- RS4,
- S4
MSRP $256.65
$203.27
Connector Pipe
Part Number: 079-121-070-BS
Audi Other Names: Pipe
Description: 4.2L, feed.
Fits:
- Audi:
- S5
MSRP $279.98
$221.75
Connector Tube
Part Number: 079-121-070-CL
Audi Other Names: Pipe
Replaces: 079-121-070-CK
Description: 4.0L, auxiliary, rear. With RS7, rear.
Fits:
- Audi:
- RS7,
- S6,
- S7
MSRP $131.65
$105.85
Water Inlet Tube
Part Number: 079-121-071-CM
Audi Other Names: Lower Pipe, Pipe
Replaces: 079-121-071-CK
Description: 4.0L, main, supply, rear. With RS7, vent lines. Without RS7, main, supply, rear.
Fits:
- Audi:
- RS7,
- S6,
- S7
MSRP $160.32
$128.89
Water Pipe
Part Number: 079-121-071-R
Audi Other Names: Pipe
Description: 4.2L, feed, rear.
Fits:
- Audi:
- S4
Backordered
Thermostat Unit
Part Number: 079-121-115-BL
Audi Notes: Includes Thermostat Housing. Included with water pump assembly.
Applications: 4.0L- MAIN COOLING SYSTEM.
Other Names: Thermostat, Thermostat Housing
Replaces: 079-121-115-BD
Description: A8, S8. S7, RS7. 4.0L, primary. S6. 4.0L, main. Without RS7, main.
Fits:
- Audi:
- A8 Quattro,
- RS7,
- S6,
- S7,
- S8
MSRP $391.66
$310.20
Union
Part Number: 079-121-147-C
Audi Description: 4.0L, primary. With RS7, front center.
Fits:
- Audi:
- A8 Quattro,
- RS7,
- S8
MSRP $53.18
$36.69
Valve Assembly Seal Kit
Part Number: 079-198-013
Audi Notes: Included with valve assembly.
Other Names: Engine Coolant Thermostat Gasket, Seals
Description: For Thermo-Pneumatic Valve. Incl.Qty.3. 4.0L, primary. 4.0L, main, return.
Fits:
- Audi:
- A8 Quattro,
- RS7,
- S6,
- S7,
- S8
MSRP $103.33
$83.08
Connector Pipe
Part Number: 07L-121-133-R
Audi Other Names: Connection
Replaces: 07L-121-133-M
Description: Rear, 5.2L.
Fits:
- Audi:
- R8
MSRP $122.65
$98.61
Engine Coolant Thermostat Housing
Part Number: 074-121-121-B
Audi Other Names: Cover
Replaces: 074-121-121
Fits:
- Audi:
- S4,
- S6
MSRP $55.48
$45.27
Engine Coolant Pipe O-Ring
Part Number: 077-121-437
Audi Other Names: Water Pipe O-Ring, Seal Ring
Description: 15 x 2mm. All Required. 4.2L, 2004-06.
Fits:
- Audi:
- A6 Quattro,
- A8,
- A8 Quattro,
- S6,
- S8,
MSRP $13.34
$9.20
Water Manifold
Part Number: 7L0-815-802-A
Audi Other Names: Pipe
Description: Diesel, upper, 2010-12.
Fits:
- Audi:
- Q7
Backordered
Water Pipe
Part Number: 07L-121-071-M
Audi Other Names: Pipe
Replaces: 07L-121-071-L
Description: 5.2L, feed.
Fits:
- Audi:
- S6,
- S8
Backordered
Engine Oil Cooler Gasket
Part Number: 07C-198-037
Audi Notes: Included with oil cooler.
Applications: 6.0L (V12).
Other Names: Gasket, Oil Cooler Seal Kit, Rep Kit
Description: A8. 6.0L. Kit.
Fits:
- Audi:
- A8 Quattro
Backordered
Thermostat Seal
Part Number: 07D-121-666-A
Audi Notes: Included with thermostat.
Other Names: Seal Ring
Description: 6.0L, primary.
Fits:
- Audi:
- A8 Quattro
MSRP $13.70
$9.45
Regulator
Part Number: 07K-121-111-F
Audi Notes: Includes Thermostat Housing.
Applications: 2.5L.
Other Names: Thermostat
Replaces: 07K-121-111-C, 07K-121-111-D, 07K-121-111-E
Description: TT RS Quattro. RS3. 2.5L. Rear, to 09/30/2023.
Fits:
- Audi:
- RS3
MSRP $833.32
$649.99
Tube
Part Number: 4F0-265-235-C
Audi Other Names: Pipe
Description: 4.2L, return, 2007-11.
Fits:
- Audi:
- A6 Quattro
Backordered
Connector Tube
Part Number: 4E0-121-164-K
Audi Other Names: Tube Assembly, Tube
Description: 6.0L, feed, from vin 4e6008012. 5.2L, feed. 6.0L, feed, to vin 4e6008011.
Fits:
- Audi:
- A8 Quattro,
- S8
MSRP $301.67
$238.92
Pipe
Part Number: 4E0-121-398-F
Audi Description: 6.0L, return, from vin 4e6011643. 6.0L, return, to vin 4e6011642.
Fits:
- Audi:
- A8 Quattro
MSRP $203.32
$161.03
Tube
Part Number: 4E0-121-445-AB
Audi Other Names: Hose
Description: 6.0L, return, from vin 4e6011643.
Fits:
- Audi:
- A8 Quattro
Backordered
Thermostat Housing
Part Number: 04E-121-116-C
Audi Notes: Included with Water pump assembly.
Applications: 1.4L Hybrid.
Other Names: Housing
Description: A3. 1.4L.
Fits:
- Audi:
- A3 Sportback e-tron
Backordered
Engine Coolant Hose
Part Number: 04L-121-058-G
Audi Notes: Included with connector tube.
Other Names: Hose
Description: Inlet. 2.0L, diesel, intercooler.
Fits:
- Audi:
- A3
MSRP $14.66
$10.12
Tube
Part Number: 4K1-819-377-D
Audi Other Names: Pipe
Replaces: 4K1-819-377-B
Description: 2.0L, heating, #3, to 09/05/2022.
Fits:
- Audi:
- A6 Quattro
Backordered
Tube Assembly
Part Number: 4H0-121-081-S
Audi Other Names: Tube
Description: 6.3L, primary.
Fits:
- Audi:
- A8 Quattro
MSRP $187.65
$148.62
Water Feed Tube
Part Number: 4H0-121-399-H
Audi Other Names: Pipe
Description: 4.0L.
Fits:
- Audi:
- A8 Quattro,
- S8
MSRP $55.48
$45.27
Return Tube
Part Number: 4KE-121-081-H
Audi Other Names: Pipe
Description: Lower.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback,
- Q8 e-tron,
MSRP $30.38
$20.96
Water Hose
Part Number: 4KE-121-609-M
Audi Other Names: Hose
Description: Center, #5, to 03/09/2020.
Fits:
- Audi:
- e-tron Quattro,
- e-tron Sportback
Backordered
Water Hose
Part Number: 4KE-121-609-S
Audi Other Names: Hose
Replaces: 4KE-121-609-R
Description: Center, #5, from 02/14/2022. Center, single charging port, # 5.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback,
- Q8 e-tron,
Backordered
Water Hose
Part Number: 4KE-819-374-F
Audi Other Names: Hose
Replaces: 4KE-819-374-C
Description: Center, # 13, to 02/14/2022. Center, single charging port, # 10. Center, # 13, from 02/14/2022.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback,
- Q8 e-tron,
MSRP $33.18
$22.89
Water Hose
Part Number: 4KE-819-460-C
Audi Other Names: Hose
Description: Center, single charging port, # 4. Center, dual charging port, # 3.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback,
- Q8 e-tron,
Backordered
Water Hose
Part Number: 4KE-819-885-F
Audi Other Names: Hose
Description: Center, single charging port, # 8.
Fits:
- Audi:
- Q8 e-tron,
- Q8 e-tron Sportback,
- SQ8 e-tron,
- SQ8 e-tron Sportback
MSRP $57.65
$47.04
Tube
Part Number: 4KL-122-109-C
Audi Other Names: Hose
Replaces: 4KL-122-109-B
Description: Front, #1.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback,
- Q8 e-tron,
MSRP $67.48
$55.07
Rear Pipe
Part Number: 06D-121-065-J
Audi Other Names: Tube, Pipe, Engine Coolant Pipe
Description: A4 Cabriolet. 2.0l. 2.0L return. Tube.
Fits:
- Audi:
- A4,
- A4 Quattro
MSRP $474.99
$376.19
Water Pipe
Part Number: 06D-121-071-R
Audi Other Names: Engine Coolant Pipe, Pipe
Description: 2.0L return. Water pipe.
Fits:
- Audi:
- A4,
- A4 Quattro
MSRP $154.80
$124.46
Water Pipe
Part Number: 06E-121-045-T
Audi Other Names: Pipe
Description: 3.0L.
Fits:
- Audi:
- A6 Quattro
MSRP $510.00
$397.80
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