Thermostats & Parts
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- Valves & Parts
Water Pipe
Part Number: 079-121-481-P
Audi Notes: Part has related components that cannot be reused/reinstalled. gasket and o-ring.
Other Names: Connector Tube, Pipe
Description: 4.2L, return. 4.2L, supply, lower.
Fits:
- Audi:
- A8 Quattro,
- RS5,
- S5
Backordered
Thermostat Housing
Part Number: 07D-121-111-AN
Audi Applications: 6.0L (V12).
Other Names: Thermostat
Replaces: 07D-121-111-AH
Description: 6.0L, primary. A8.
Fits:
- Audi:
- A8 Quattro
Backordered
Connector Pipe O-Ring
Part Number: 07D-121-666
Audi Other Names: Seal Ring
Description: 6.0L, feed, from vin 4e6008012. 6.0L, feed, to vin 4e6008011.
Fits:
- Audi:
- A8 Quattro
MSRP $15.22
$9.44
Pipe Assembly
Part Number: 07K-121-065-AM
Audi Other Names: Pipe
Description: Front.
Fits:
- Audi:
- RS3
MSRP $284.99
$194.07
Thermostat Unit Gasket
Part Number: 07K-121-139-A
Audi Applications: 2.5L.
Other Names: Gasket, Regulator Seal, Thermostat Gasket, Washer
Replaces: 07K-121-139
Description: TT RS Quattro. RS3. Rear. 2.5L.
Fits:
- Audi:
- RS3,
- TT RS Quattro
MSRP $10.76
$6.67
Flange Seal
Part Number: 07K-121-149
Audi Notes: Included with flange.
Other Names: Engine Coolant Outlet Gasket, Washer
Description: O-Ring. 2.5L.
Fits:
- Audi:
- RS3,
- TT Quattro,
- TT RS Quattro,
- TTS Quattro
MSRP $21.58
$13.38
Engine Coolant Pipe Gasket
Part Number: 07L-103-121-R
Audi Other Names: Connector Pipe Seal, Gasket
Description: Rear, 5.2L.
Fits:
- Audi:
- R8
MSRP $56.58
$35.08
MSRP $262.31
$178.64
Hose & Tube Assembly
Part Number: 7L8-121-070-BG
Audi Other Names: Water Pipe
Description: Diesel, upper, 2013-15.
Fits:
- Audi:
- Q7
MSRP $297.78
$202.79
Cross Over Pipe
Part Number: 80A-121-070-C
Audi Other Names: Pipe
Description: 3.0L, main hoses.
Fits:
- Audi:
- SQ5,
- SQ5 Sportback
MSRP $103.49
$71.71
Hose Assembly
Part Number: 85H-122-175-K
Audi Other Names: Hose
Description: Rear.
Fits:
- Audi:
- Q6 e-tron,
- SQ6 e-tron
MSRP $144.98
$100.47
Lower Pipe
Part Number: 8J0-121-070-B
Audi Other Names: Pipe
Description: 2.5L, front.
Fits:
- Audi:
- TT Quattro,
- TT RS Quattro,
- TTS Quattro
Backordered
Outer Hose
Part Number: 8J0-121-472
Audi Other Names: Hose
Description: 2.5L, front.
Fits:
- Audi:
- TT Quattro,
- TT RS Quattro,
- TTS Quattro
MSRP $30.38
$18.84
Water Hose
Part Number: 8J0-122-051-C
Audi Other Names: Hose
Description: 2.5L, front.
Fits:
- Audi:
- TT Quattro,
- TT RS Quattro,
- TTS Quattro
MSRP $145.65
$100.94
Breather Tube
Part Number: 8K0-121-081-BK
Audi Other Names: Water Hose, Overflow Hose, Hose
Description: 2017-2019, manual trans. 3.0L, supply. 2017-20. Convertible, 3.0L, from 04/09/2012. 3.0L, main, from 4/9/2012.
Fits:
- Audi:
- A4,
- A4 allroad,
- A4 Quattro,
- S4,
- S5
MSRP $219.99
$149.82
Inlet Hose
Part Number: 8K0-145-922-A
Audi Other Names: Lower Hose, Hose
Description: 3.0L, auxiliary, 2010-12. 3.0L, hoses & pipes, 2010-2012.
Fits:
- Audi:
- S4,
- S5
MSRP $26.66
$16.53
Connector Tube
Part Number: 8K0-819-857-B
Audi Other Names: Pipe
Description: 4.2L, return.
Fits:
- Audi:
- S5
Backordered
Thermostat Housing Seal
Part Number: 04E-121-119-D
Audi Notes: Included with thermostat housing.
Applications: 1.4L Hybrid.
Other Names: Gasket, Seal
Description: A3. 1.4L.
Fits:
- Audi:
- A3 Sportback e-tron
MSRP $5.95
$3.70
Water Pipe
Part Number: 4F0-121-034-A
Audi Other Names: Pipe
Description: 5.2L, return.
Fits:
- Audi:
- S6
Backordered
Upper Pipe
Part Number: 4F0-121-070-G
Audi Other Names: Pipe
Description: 5.2L, return.
Fits:
- Audi:
- S6
Backordered
Lower Pipe
Part Number: 4G0-121-071-AA
Audi Other Names: Pipe
Description: 4.0L, main, supply. Without RS7, main, supply.
Fits:
- Audi:
- S6,
- S7
MSRP $110.15
$76.33
Vent Tube
Part Number: 4G0-121-081-CR
Audi Other Names: Tube
Description: 4.0L, main, supply, front. Without RS7, main, supply, front.
Fits:
- Audi:
- S6,
- S7
MSRP $115.01
$79.70
Vent Tube
Part Number: 4G0-121-081-CS
Audi Other Names: Reservoir Hose, Vent Pipe, Tube
Description: With RS7, vent lines. 4.0L, main, supply, rear. Without RS7, main, supply, rear.
Fits:
- Audi:
- RS7,
- S6,
- S7
MSRP $58.38
$36.20
Inlet Tube
Part Number: 4G0-819-350-AB
Audi Other Names: Hose
Description: 2016-18, rear. 3.0L gas, rear.
Fits:
- Audi:
- A6 Quattro,
- A7 Quattro
MSRP $109.65
$75.99
Water Inlet Pipe
Part Number: 4G0-819-377-K
Audi Other Names: Pipe
Description: 3.0L diesel, supply.
Fits:
- Audi:
- A7 Quattro
Backordered
Outlet Hose
Part Number: 4H0-122-447
Audi Other Names: Hose
Description: 4.0L, auxiliary, A8, a8l, al8 sport.
Fits:
- Audi:
- A8 Quattro
Backordered
Pipe Assembly
Part Number: 4H1-898-037
Audi Other Names: Pipe Kit, Engine Coolant Pipe, Pipe
Description: Front.
Fits:
- Audi:
- A6,
- A6 Quattro,
- A7 Quattro,
- A8 Quattro,
- RS7,
MSRP $221.65
$150.94
Tube
Part Number: 4K0-121-075-H
Audi Other Names: Pipe
Description: 2.9L, auxiliary. 2.9L, left lower, #1.
Fits:
- Audi:
- S6,
- S7 Sportback
MSRP $146.82
$101.74
Tube
Part Number: 4K0-121-075-L
Audi Other Names: Pipe
Description: Transmission cooler.
Fits:
- Audi:
- RS7 Sportback
Backordered
Tube
Part Number: 4K0-121-081-CQ
Audi Other Names: Pipe
Description: 2.0L, heating, #1.
Fits:
- Audi:
- A6 Quattro
MSRP $51.66
$37.20
Hose & Tube Assembly
Part Number: 4K0-122-056-F
Audi Applications: 2.0L.
Other Names: Upper Hose, Water Hose
Description: 2.0L, left, #2. A7 Sportback.
Fits:
- Audi:
- A7 Sportback
Backordered
Hose & Tube Assembly
Part Number: 4K0-145-365
Audi Other Names: Pipe
Description: 2.0L, left, #3.
Fits:
- Audi:
- A7 Sportback
Backordered
Hose Assembly
Part Number: 4K0-145-909-J
Audi Applications: PHEV.
Other Names: Hoses, Hose
Description: 2.0L, left, #4. A7 Sportback. Radiator to valve.
Fits:
- Audi:
- A7 Sportback
Backordered
Tube Assembly
Part Number: 4K0-145-931-F
Audi Other Names: Pipe
Description: 2.0L, rear, #2.
Fits:
- Audi:
- A7 Sportback
Backordered
Tube
Part Number: 4K0-145-938
Audi Other Names: Pipe
Description: 2.9L, left upper, #3. 2.9L, main, left side, lower, #1.
Fits:
- Audi:
- S6,
- S7 Sportback
MSRP $81.67
$58.80
Hose Assembly
Part Number: 4K0-145-948-F
Audi Applications: PHEV.
Other Names: Hoses, Hose
Description: 2.0L, left, #2. A7 Sportback. Valve to pipe.
Fits:
- Audi:
- A7 Sportback
Backordered
Hose & Tube Assembly
Part Number: 4K0-265-235-S
Audi Other Names: Pipe
Description: 2.0L, right, #1.
Fits:
- Audi:
- A7 Sportback
Backordered
Tube
Part Number: 4K1-121-071-E
Audi Other Names: Pipe
Description: 2.9L, main, left side,upper, #1, from 09/05/2022. Main, #5, from 09/05/2022.
Fits:
- Audi:
- A6 allroad,
- A6 Quattro,
- A7 Sportback,
- S6,
- S7 Sportback
MSRP $91.66
$63.51
Hose & Tube Assembly
Part Number: 4KE-121-036-E
Audi Other Names: Hose
Replaces: 4KE-121-036-D
Description: Center, 09/09/19-02/14/2022. Center, from 02/14/2022. Center, single charging port. Center, dual charging port, lower.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback,
- Q8 e-tron,
MSRP $183.99
$125.29
Water Return Tube
Part Number: 4KE-122-480-AH
Audi Other Names: Pipe
Description: Rear, front.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback,
- Q8 e-tron,
MSRP $176.64
$120.30
Water Feed Tube
Part Number: 4KE-145-910-K
Audi Other Names: Water Pipe
Replaces: 4KE-145-910-E
Description: Rear.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback,
- Q8 e-tron,
MSRP $286.66
$195.22
Water Hose
Part Number: 4KE-145-920-E
Audi Other Names: Hose
Description: Right, # 2.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback,
- Q8 e-tron,
MSRP $112.99
$78.30
Water Hose
Part Number: 4KE-145-947-M
Audi Other Names: Hose
Description: Center, # 11.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback
Backordered
Hose & Tube Assembly
Part Number: 4KE-145-947-R
Audi Other Names: Water Pipe
Description: Right, # 4.
Fits:
- Audi:
- Q8 e-tron,
- Q8 e-tron Sportback,
- SQ8 e-tron,
- SQ8 e-tron Sportback
MSRP $38.58
$23.92
Water Return Tube
Part Number: 4KE-145-948-F
Audi Other Names: Water Pipe
Description: Rear, rear.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback,
- Q8 e-tron,
MSRP $234.98
$160.02
Water Feed Tube
Part Number: 4KE-819-928-N
Audi Other Names: Pipe
Replaces: 4KE-819-928-H
Description: Center, # 6. Center, single charging port, # 5.
Fits:
- Audi:
- e-tron Quattro,
- e-tron S,
- e-tron S Sportback,
- e-tron Sportback,
- Q8 e-tron,
MSRP $166.64
$115.49
Thermostat Housing
Part Number: 04L-121-026-AH
Audi Notes: Includes Thermostat.
Applications: 2.0L TDI.
Other Names: Thermostat Unit, Housing
Replaces: 04L-121-026-AE, 04L-121-026-F, 04L-121-026-Q
Description: A3. 2.0L, diesel, main.
Fits:
- Audi:
- A3
MSRP $236.65
$161.16
Oil Cooler Tube
Part Number: 4M0-121-485-CQ
Audi Other Names: Pipe
Description: Transmission cooler.
Fits:
- Audi:
- RS7 Sportback
Backordered
Backordered
Radiator Coolant Hose
Part Number: 8V0-121-051
Audi Other Names: Coolant Hose, Water Hose, Hose
Description: 2.5L, rear. Right Radiator. Pipe to Solenoid.
Fits:
- Audi:
- RS3,
- TT RS Quattro
MSRP $34.78
$21.56
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