Thermostats & Parts
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MSRP $27.18
$16.99
Water Inlet Tube
Part Number: 8K0-145-931-D
Audi Other Names: Tube, Pipe
Description: 3.0L, auxiliary, 2010-12. 3.0L, hoses & pipes, 2010-2012.
Fits:
- Audi:
- S4,
- S5
MSRP $103.32
$74.39
Water Pipe
Part Number: 8K0-819-377-H
Audi Other Names: Pipe
Replaces: 8K0-819-377-B, 8K0-819-377-E, 8K0-819-377-J
Description: 3.2L, auxiliary.
Fits:
- Audi:
- A5 Quattro
MSRP $209.99
$151.20
Tube Assembly
Part Number: 4K0-121-083-E
Audi Other Names: Pipe
Description: 2.0L, high voltage battery charger and controls, #2.
Fits:
- Audi:
- A7 Sportback
MSRP $319.99
$230.39
Tube Assembly
Part Number: 4K0-121-400-J
Audi Other Names: Pipe
Replaces: 4K0-121-400-E
Description: 2.0L, main, from 10/03/2022.
Fits:
- Audi:
- A6 Quattro
MSRP $166.65
$119.99
Connector Tube
Part Number: 4K0-121-481-L
Audi Other Names: Tube, Pipe
Description: Main. Right side.
Fits:
- Audi:
- RS6 Avant,
- RS7 Sportback
MSRP $285.98
$205.91
Tube Assembly
Part Number: 4K0-121-520-B
Audi Other Names: Pipe
Description: 2.0L, high voltage battery charger and controls, #3.
Fits:
- Audi:
- A7 Sportback
MSRP $136.65
$98.39
Engine Coolant Thermostat Gasket
Part Number: 04C-121-119-C
Audi Other Names: Seal
Description: Thermostat Location-Water Pump Housing.
Fits:
- Audi:
- A3 Sportback e-tron
MSRP $6.10
$3.97
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
$217.20
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
$146.39
Tube
Part Number: 4E0-121-445-AB
Audi Other Names: Hose
Description: 6.0L, return, from vin 4e6011643.
Fits:
- Audi:
- A8 Quattro
MSRP $358.48
$258.11
Thermostat
Part Number: 4B3-121-113-A
Audi Description: 4.2L, auxiliary.
Fits:
- Audi:
- Allroad Quattro
MSRP $376.48
$271.07
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
$72.11
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
$6.68
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
$18.99
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
MSRP $36.38
$22.74
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,
MSRP $63.32
$47.49
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
MSRP $139.98
$100.79
Seal
Part Number: 03C-121-665
Audi Other Names: Seal Ring
Description: 2.5L, main.
Fits:
- Audi:
- TT Quattro,
- TT RS Quattro,
- TTS Quattro
MSRP $18.12
$11.33
Connector Pipe
Part Number: 03H-121-065-C
Audi Other Names: Holder
Replaces: 03H-121-065-B
Description: 3.6L, with rear a/c.
Fits:
- Audi:
- Q7
MSRP $126.05
$90.76
Thermostat Housing
Part Number: 03H-121-117-A
Audi Applications: 3.6L.
Other Names: Housing
Description: 3.6L, main. Q7.
Fits:
- Audi:
- Q7
MSRP $209.98
$151.19
Thermostat Cover
Part Number: 03H-121-121-C
Audi Applications: 3.6L.
Other Names: Cover
Description: 3.6L, main. Q7.
Fits:
- Audi:
- Q7
MSRP $69.65
$52.24
Water Hose
Part Number: 022-121-049-B
Audi Other Names: Hose
Description: 3.2L.
Fits:
- Audi:
- TT Quattro
MSRP $99.98
$71.99
Engine Coolant Thermostat Kit
Part Number: 022-121-111-H
Audi Notes: Includes Thermostat & Gasket.
Applications: 3.2L.
Other Names: Thermostat Housing, Thermostat Unit, Housing
Description: Incl.Gasket,Housing and Thermostat. TT. 3.2L, main.
Fits:
- Audi:
- A3 Quattro,
- TT Quattro
MSRP $513.33
$369.60
Thermostat
Part Number: 022-121-113
Audi Notes: Included with thermsotat unit.
Applications: 2.0L, 3.2L.
Description: 3.2L, feed. A3. 3.2l. TT. 3.2L, main.
Fits:
- Audi:
- A3 Quattro,
- TT Quattro
MSRP $126.65
$91.19
Thermostat Cover
Part Number: 022-121-121-E
Audi Notes: Included with thermsotat unit.
Other Names: Adapter
Replaces: 021-121-121-D
Description: 3.2L, feed. 3.2L, main.
Fits:
- Audi:
- A3 Quattro,
- TT Quattro
MSRP $52.65
$39.49
Connector Tube
Part Number: 3Q0-121-065-B
Audi Other Names: Pipe
Replaces: 5Q0-121-065-H
Description: 1.4L, auxiliary.
Fits:
- Audi:
- A3 Sportback e-tron
MSRP $146.65
$105.59
Water Pipe
Part Number: 420-121-050-B
Audi Other Names: Pipe
Description: Center, manual trans, 5.2L. Center, auto trans.
Fits:
- Audi:
- R8
MSRP $921.68
$718.91
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
$9.16
Water Pipe
Part Number: 06C-121-085-F
Audi Applications: 6 CYLINDER.
Other Names: Pipe
Replaces: 06C-121-085-E
Description: A4. To5400000. A6/S6. 3.0l. 3.0L v6, rear. *This item is no longer available and has been replaced by a multi-part supersession:...
Fits:
- Audi:
- A4,
- A4 Quattro,
- A6,
- A6 Quattro
MSRP $257.03
$185.06
Thermostat
Part Number: 06L-121-111-P
Audi Notes: Includes Thermostat Gasket. Part has related components that cannot be reused/reinstalled. o-ring and gasket.
Applications: 1.8L. 2.0L, S3. 2.0L GAS. 2.0L (2012-15). 2.0L (2016-18). 2.0L, A3 & A3 Quattro. 2.0L COOLING SYSTEM.
Other Names: Thermostat, Thermostat Housing, Water Pump Housing
Replaces: 06L-121-111-F, 06L-121-111-G, 06L-121-111-H, 06L-121-111-J, 06L-121-111-K, 06L-121-111-L, 06L-121-111-M
Description: Thermostat. w/ housing. A5. TT. A4. Q5 Sportback. 2.0L, code cyfb, main. 2020-21 45 tsfi. 2021. A7 Sportback. A6 Quattro....
Fits:
- Audi:
- A3,
- A3 Quattro,
- A4,
- A4 allroad,
- A4 Quattro,
MSRP $288.33
$207.60
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: Thermostat housing with thermostat. 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
$282.00
Thermostat
Part Number: 04E-121-113-C
Audi Notes: Included with Water pump assembly.
Applications: 1.4L Hybrid.
Description: A3. 1.4L, outer.
Fits:
- Audi:
- A3 Sportback e-tron
MSRP $21.65
$13.54
Thermostat
Part Number: 04E-121-113-F
Audi Notes: Included with Water pump assembly.
Description: 1.4L, inner.
Fits:
- Audi:
- A3 Sportback e-tron
MSRP $109.98
$79.19
Connector Pipe
Part Number: 4E0-121-399-G
Audi Other Names: Water Pipe, Pipe
Description: 6.0L, return, from vin 4e6011643. 5.2L, return with transfer case cooler. 6.0L, return, to vin 4e6011642.
Fits:
- Audi:
- A8 Quattro,
- S8
MSRP $143.31
$103.19
Vent Tube
Part Number: 4G0-121-081-BF
Audi Other Names: Tube
Description: 4.0L, main, supply, front. Without RS7, main, supply, front.
Fits:
- Audi:
- S6,
- S7
MSRP $70.00
$52.50
Vent Tube
Part Number: 4G0-121-081-CQ
Audi Other Names: Vent Pipe, Tube
Description: 4.0L, main, supply, front. Without RS7, main, supply, front.
Fits:
- Audi:
- S6,
- S7
MSRP $51.67
$38.75
Lower Pipe
Part Number: 4G0-121-485-AJ
Audi Other Names: Pipe
Description: With RS7, left front.
Fits:
- Audi:
- RS7
MSRP $148.31
$106.79
Water Pipe
Part Number: 4G0-121-485-BH
Audi Other Names: Pipe
Description: 3.0L gas, rear.
Fits:
- Audi:
- A7 Quattro
MSRP $114.98
$82.79
Thermostat
Part Number: 03H-121-113-D
Audi Applications: 3.6L.
Replaces: 03H-121-113
Description: 3.6L, main. Q7.
Fits:
- Audi:
- Q7
MSRP $126.65
$91.19
Connector Tube
Part Number: 420-121-045
Audi Other Names: Pipe
Description: Front, outer.
Fits:
- Audi:
- R8
MSRP $128.33
$92.40
Engine Coolant Outlet Gasket
Part Number: 037-121-687
Audi Other Names: Vacuum Tank O-Ring, Washer
Replaces: N-907-469-01
Description: Outlet Flange. O-Ring. 36 x 3.15mm. 6.0L, vapor canister & sensors.
Fits:
- Audi:
- 4000,
- 80,
- 90,
- A4,
- A4 Quattro,
MSRP $7.08
$4.60
Thermostat Seal
Part Number: 038-121-119-B
Audi Other Names: Engine Water Pump Housing O-Ring, Engine Coolant Thermostat Gasket, Washer
Replaces: 059-121-119
Description: 1.8L. 4 cylinder. O-Ring. 50 x 4mm.
Fits:
- Audi:
- 4000,
- 80,
- 90,
- A4,
- A4 Quattro,
MSRP $7.39
$4.81
Thermostat Housing
Part Number: 030-121-121-B
Audi Applications: 4 CYLINDER.
Other Names: Cover, Adapter
Description: 4 cylinder. A4.
Fits:
- Audi:
- A4,
- A4 Quattro
MSRP $40.78
$25.49
Thermostat Housing Gasket
Part Number: 021-121-119-A
Audi Notes: Included with thermsotat unit.
Other Names: Thermostat Unit Gasket, Gasket
Description: 3.2L, feed. 3.2L, main.
Fits:
- Audi:
- A3 Quattro,
- TT Quattro
MSRP $13.73
$8.58
Water Pipe
Part Number: 022-121-050
Audi Other Names: Pipe
Description: 3.2L, feed. 3.2L, supply.
Fits:
- Audi:
- A3 Quattro,
- TT Quattro
MSRP $67.48
$50.61
Water Inlet Tube
Part Number: 1K0-121-070-AQ
Audi Other Names: Water Pipe, Front Pipe, Pipe
Description: 2011-15 with awd, tts, return. 2009 without awd, return. 2006-08.
Fits:
- Audi:
- A3,
- TT,
- TT Quattro,
- TTS Quattro
MSRP $138.32
$99.59
Connector Tube
Part Number: 1K0-121-070-BD
Audi Other Names: Tube Assembly, Water Pipe, Pipe
Description: Front. 2009-13. 2011-15 with awd, TT. 2009-2010 with awd, TT.
Fits:
- Audi:
- A3,
- A3 Quattro,
- Q3,
- Q3 Quattro,
- TT,
MSRP $116.65
$83.99
Thermostat
Part Number: 1K0-121-113-A
Audi Notes: Included with upper hose. Included with hose assembly.
Description: 2011-15 with awd, TT. 2009-2010 with awd, TT.
Fits:
- Audi:
- TT,
- TT Quattro,
- TTS Quattro
MSRP $72.82
$54.61
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