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Connector Tube

Part Number: 4N0-121-081-AG
Audi Audi
Other Names: Hose
Description: 4.0L, upper, upper, front, S8.
Fits:
  • Audi:
    • S8
MSRP $141.66
$98.18

Engine Coolant Pipe

Part Number: 4N0-121-485-P
Audi Audi
Other Names: Tube, Pipe
Replaces: 4N0-121-485-A
Description: 3.0L, without plug-in hybrid heater hoses. #2.
Fits:
  • Audi:
    • A8 Quattro
Backordered

Water Hose

Part Number: 022-121-049-B
Audi Audi
Other Names: Hose
Description: 3.2L.
Fits:
  • Audi:
    • TT Quattro
MSRP $99.98
$69.29

Engine Coolant Thermostat Kit

Part Number: 022-121-111-H
Audi 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
$341.88

Thermostat

Part Number: 022-121-113
Audi Audi
Notes: Included with thermsotat unit.
Applications: 2.0L, 3.2L.
Description: Maintain optimal engine temperature and performance with the Genuine OEM Volkswagen Audi Engine Coolant Thermostat , part number...
Fits:
  • Audi:
    • A3 Quattro,
    • TT Quattro
MSRP $126.65
$87.77

Thermostat Cover

Part Number: 022-121-121-E
Audi 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
$37.91

Connector Pipe

Part Number: 8V0-121-397-A
Audi Audi
Other Names: Water Pipe, Pipe
Description: Front center. 2.5L, front.
Fits:
  • Audi:
    • RS3,
    • TT RS Quattro
Backordered

Water Pipe

Part Number: 8W0-121-075-A
Audi Audi
Other Names: Pipe
Description: 2.9L, main.
Fits:
  • Audi:
    • RS5,
    • RS5 Sportback
Backordered

Breather Tube

Part Number: 8W0-121-081-DA
Audi Audi
Other Names: Overflow Hose, Breather
Replaces: 8W0-121-081-BN
Description: 3.0L, 2018-19, center. 3.0L, 2018-19, #3, to 10/14/2019. 2.9L, main, #2. Convertible, 3.0L, 2018-19, #3.
Fits:
  • Audi:
    • RS5,
    • RS5 Sportback,
    • S4,
    • S5,
    • S5 Sportback
MSRP $60.01
$43.20

Water Pipe

Part Number: 8W0-121-400-B
Audi Audi
Other Names: Tube Assembly, Pipe
Description: 2017-2019. 40 tsfi. 2021-25. 2017-20. Convertible, 2.0L.
Fits:
  • Audi:
    • A4,
    • A4 allroad,
    • A4 Quattro,
    • A5 Quattro,
    • A5 Sportback
MSRP $92.99
$64.44

Coolant Hose

Part Number: 8W0-145-925-S
Audi Audi
Other Names: Hose
Description: 2.9L, auxiliary, #2.
Fits:
  • Audi:
    • RS5,
    • RS5 Sportback
MSRP $44.38
$27.74

Tube Assembly

Part Number: 9J1-121-151
Audi Audi
Other Names: Water Pipe
Description: 2022-24, rear drive unit.
Fits:
  • Audi:
    • e-tron GT
Backordered

Tube

Part Number: 9J1-121-517-A
Audi Audi
Other Names: Pipe
Description: 2022-24, solenoid valve for coolant circuit.
Fits:
  • Audi:
    • e-tron GT
MSRP $49.58
$30.99

Water Pipe O-Ring

Part Number: N-013-807-6
Audi Audi
Other Names: Vent Pipe Seal, Water Pipe Seal, Inlet Tube O-Ring, Outlet Tube O-Ring, Washer
Description: Diesel, lower, 2013-14. 3.0L diesel, return.
Fits:
  • Audi:
    • A7 Quattro,
    • Q7
MSRP $2.38
$1.49

Water Pipe Seal

Part Number: N-013-811-4
Audi Audi
Notes: Included with oil filter housing.
Other Names: Washer
Description: 4.2L, 2000-03.
Fits:
  • Audi:
    • A8 Quattro,
    • S8
MSRP $2.47
$1.55

Hose & Tube Assembly O-Ring

Part Number: N-013-814-9
Audi Audi
Other Names: Inlet Tube O-Ring, Gasket, Tube Assembly O-Ring, Feed Line O-Ring, Return Line O-Ring, Return Pipe O-Ring, Water Inlet O-Ring,...
Fits:
  • Audi:
    • A3,
    • A4,
    • A4 Quattro,
    • A5,
    • A5 Quattro,
    • A6,
    • A6 Quattro,
    • allroad,
    • Q3,
    • Q3 Quattro,
    • Q5,
    • TT,
    • TT Quattro,
    • TT RS Quattro,
    • TTS Quattro
MSRP $4.18
$2.61

Support Brace Bolt

Part Number: N-101-961-05
Audi 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
$2.11

Engine Coolant Pipe O-Ring

Part Number: N-900-351-03
Audi Audi
Notes: Included with pipe assembly. Included with connector tube.
Other Names: Connector Tube Seal, Engine Coolant Outlet Gasket, Pipe Assembly O-Ring, Seal Ring
Description: 2.5L, rear. O-Ring. 21 x 3mm. Front. Location-Rear of Engine Block.
Fits:
  • Audi:
    • 200,
    • 200 Quattro,
    • 4000 Quattro,
    • 5000,
    • 5000 Quattro,
    • 80,
    • 80 Quattro,
    • 90,
    • 90 Quattro,
    • Coupe,
    • Coupe Quattro,
    • Quattro,
    • RS3,
    • S4,
    • S6,
    • TT Quattro,
    • TT RS Quattro,
    • TTS Quattro
MSRP $5.13
$3.20

Engine Coolant Thermostat Gasket

Part Number: N-901-368-02
Audi Audi
Notes: Included with thermsotat unit.
Applications: 4.2L (V8). 2.0L, 3.2L. 8 CYLINDER.
Other Names: Thermostat Seal, Gasket, Thermostat Cover Seal, Adapter Seal, Seal Ring
Fits:
  • Audi:
    • 100,
    • 100 Quattro,
    • 200,
    • 200 Quattro,
    • 5000,
    • 5000 Quattro,
    • 80,
    • 80 Quattro,
    • 90,
    • 90 Quattro,
    • A3 Quattro,
    • A4,
    • A4 Quattro,
    • A6,
    • A6 Quattro,
    • A8,
    • A8 Quattro,
    • Allroad Quattro,
    • Cabriolet,
    • Coupe,
    • Coupe Quattro,
    • RS6,
    • S4,
    • S6,
    • S8,
    • TT Quattro,
    • V8 Quattro
MSRP $7.80
$4.88

Temp Sensor O-Ring

Part Number: N-903-168-01
Audi Audi
Notes: Included with coupling body. Included with connector pipe. Included with lower coupling. Included with connector tube. Included with...
Other Names: Engine Coolant Temperature Sensor O-Ring, Coupling Seal, Connector Pipe O-Ring, Temp Sensor Seal, Connector Pipe Seal, Engine...
Fits:
  • Audi:
    • A3,
    • A3 Quattro,
    • A3 Sportback e-tron,
    • A4,
    • A4 allroad,
    • A4 Quattro,
    • A5,
    • A5 Quattro,
    • A5 Sportback,
    • A6,
    • A6 Quattro,
    • A7 Quattro,
    • A8 Quattro,
    • allroad,
    • Q3,
    • Q3 Quattro,
    • Q4 e-tron,
    • Q4 e-tron Sportback,
    • Q5,
    • Q7,
    • R8,
    • RS3,
    • RS7,
    • S3,
    • S4,
    • S5,
    • S6,
    • S7,
    • S8,
    • SQ5,
    • TT Quattro,
    • TT RS Quattro,
    • TTS Quattro
MSRP $4.58
$2.86

Tube O-Ring

Part Number: N-903-653-04
Audi Audi
Notes: Included with cross tube.
Other Names: Engine Coolant Pipe O-Ring, Y-Piece Seal, Cross Tube O-Ring, Water Manifold Seal, Seal Ring
Description: 20 x 3mm. 4.0L, 20x3, to 10/19/2022. Diesel, lower, 2010-12. Secondary, 20x3. 3.0L.
Fits:
  • Audi:
    • Q7,
    • RS Q8,
    • RS6 Avant,
    • RS7 Sportback,
    • SQ7,
    • SQ8
MSRP $7.08
$4.43

Engine Coolant Pipe O-Ring

Part Number: N-903-800-02
Audi Audi
Notes: Included with tube.
Other Names: Tube O-Ring, Seal Ring
Description: 24 x 3mm. 4.0L, 24x3.
Fits:
  • Audi:
    • 100,
    • 100 Quattro,
    • 90,
    • 90 Quattro,
    • A4,
    • A4 Quattro,
    • A6,
    • A6 Quattro,
    • Allroad Quattro,
    • Cabriolet,
    • RS Q8,
    • S4,
    • SQ7,
    • SQ8
MSRP $5.74
$3.59

Thermostat Unit Screw

Part Number: N-904-121-04
Audi Audi
Other Names: Bolt
Description: 3.2L, main.
Fits:
  • Audi:
    • TT Quattro
MSRP $12.16
$7.60

Union O-Ring

Part Number: N-907-132-03
Audi Audi
Notes: Included with union.
Other Names: Union Gasket, Union Seal, Water Manifold O-Ring, Seal Ring
Description: 4.0L, primary. 4.0L, main, return. Without RS7, main, return. With RS7, front center.
Fits:
  • Audi:
    • A8 Quattro,
    • RS5,
    • RS7,
    • S6,
    • S7,
    • S8
MSRP $6.79
$4.25

Tube Seal

Part Number: N-908-063-03
Audi Audi
Other Names: Tube O-Ring, Seal Ring
Description: Rear, 4.2L, front, #2. 4.2L, manual trans, front, #2.
Fits:
  • Audi:
    • R8
MSRP $4.61
$2.89

Cross Tube

Part Number: 0P2-121-071-H
Audi Audi
Other Names: Tube, Cross Over Pipe, Pipe
Description: 4.0L, main. Secondary.
Fits:
  • Audi:
    • A8 Quattro,
    • RS Q8,
    • RS6 Avant,
    • S8,
    • SQ7,
    • SQ8
MSRP $151.16
$104.75

Cross Tube

Part Number: 0P2-121-085-A
Audi Audi
Other Names: Tube, Pipe
Description: 4.0L.
Fits:
  • Audi:
    • A8 Quattro,
    • RS Q8,
    • S8,
    • SQ7,
    • SQ8
MSRP $135.65
$94.01

Tube

Part Number: 0P2-121-164-B
Audi Audi
Other Names: Lower Return Tube, Connector Tube, Spacer Tube, Pipe
Replaces: 0P2-121-164-A
Description: Secondary. Main.
Fits:
  • Audi:
    • A8 Quattro,
    • RS Q8,
    • RS6 Avant,
    • RS7 Sportback,
    • S8,
    • SQ7,
    • SQ8
Backordered

Outlet Tube

Part Number: 0P2-121-662-B
Audi Audi
Other Names: Pipe
Description: 4.0L, alternator.
Fits:
  • Audi:
    • A8 Quattro,
    • S8
MSRP $75.43
$54.31

Engine Coolant Pipe O-Ring

Part Number: WHT-001-011
Audi Audi
Notes: Included with elbow. Included with water pipe. Included with lower pipe. Included with inlet hose. Included with water hose. Included...
Other Names: Tube Assembly O-Ring, Water Pipe O-Ring, Outlet Hose O-Ring, Connector Pipe Seal, Water Inlet Tube O-Ring, Connector O-Ring, Lower...
Description: 12.2 x 1.65mm. Rear, 5.2L. 4.0L, main, supply. With RS7, front center. With RS7, vent lines. Without RS7, main, supply. 4.2L, feed....
Fits:
  • Audi:
    • A6 Quattro,
    • A8 Quattro,
    • Q7,
    • R8,
    • RS7,
    • S6,
    • S7,
    • S8
MSRP $2.08
$1.30

Engine Water Pump Outlet Pipe O-Ring

Part Number: WHT-001-688
Audi Audi
Notes: Included with connector. Included with water outlet. Included with water manifold. Included with flange. Part cannot be reused/reinstalled.
Applications: 2.0L (2012-15).
Other Names: Engine Coolant Outlet Gasket, Flange Seal, Flange O-Ring, Water Manifold O-Ring, Connector O-Ring, Connector Seal, Gasket, Water...
Fits:
  • Audi:
    • A3,
    • A3 Quattro,
    • A4,
    • A4 allroad,
    • A4 Quattro,
    • A5,
    • A5 Quattro,
    • A5 Sportback,
    • A6,
    • A6 Quattro,
    • A7 Sportback,
    • allroad,
    • Q3,
    • Q3 Quattro,
    • Q5,
    • Q5 PHEV,
    • Q5 Sportback,
    • Q7,
    • S3,
    • TT,
    • TT Quattro,
    • TTS Quattro
MSRP $4.75
$2.98

Connector Tube O-Ring

Part Number: WHT-005-652-A
Audi Audi
Notes: Included with upper pipe. Included with connector tube. Included with lower return tube.
Other Names: Upper Pipe O-Ring, Lower Return Tube O-Ring, Engine Coolant Pipe O-Ring, Seal Ring
Description: 17 x 3mm. All Required. 4.0L.
Fits:
  • Audi:
    • A8 Quattro,
    • RS Q8,
    • S8,
    • SQ7,
    • SQ8
MSRP $4.12
$2.58

Distributor O-Ring

Part Number: WHT-007-809
Audi Audi
Notes: Included with distributor.
Applications: 4.0L.
Other Names: Gasket, Seal Ring
Description: 4.0L, #3. Main, 80x4. RS6 Avant. To housing. RS7 Sportback.
Fits:
  • Audi:
    • A8 Quattro,
    • RS Q8,
    • RS6 Avant,
    • RS7 Sportback,
    • S8,
    • SQ7,
    • SQ8
MSRP $27.32
$17.08

Distributor O-Ring

Part Number: WHT-007-814
Audi Audi
Notes: Included with distributor.
Other Names: Seal Ring
Description: 4.0L, #2. Main, 55x5,33.
Fits:
  • Audi:
    • A8 Quattro,
    • RS Q8,
    • RS6 Avant,
    • RS7 Sportback,
    • S8,
    • SQ7,
    • SQ8
MSRP $26.02
$16.26

Tube

Part Number: 0Z3-819-264-E
Audi Audi
Other Names: Pipe
Description: High voltage battery housing.
Fits:
  • Audi:
    • Q6 e-tron,
    • SQ6 e-tron
Backordered

Hose & Tube Assembly

Part Number: 1EA-122-050-BH
Audi Audi
Notes: Included with hose and tube assembly.
Other Names: Water Pipe
Replaces: 1EA-121-613-L
Description: Rwd, right.
Fits:
  • Audi:
    • Q4 e-tron
MSRP $114.98
$79.68

Hose & Tube Assembly

Part Number: 1EA-121-621-L
Audi Audi
Other Names: Coolant Hose, Water Pipe
Description: Awd, left. Awd, right, upper.
Fits:
  • Audi:
    • Q4 e-tron,
    • Q4 e-tron Sportback
Backordered

Hose & Tube Assembly

Part Number: 1EA-122-049-BC
Audi Audi
Other Names: Hose
Description: Awd, left, to 10/30/2023.
Fits:
  • Audi:
    • Q4 e-tron,
    • Q4 e-tron Sportback
MSRP $733.64
$488.61

Hose & Tube Assembly

Part Number: 1EA-122-050-BG
Audi Audi
Other Names: Water Pipe
Description: Rwd, right, to 10/30/2023.
Fits:
  • Audi:
    • Q4 e-tron,
    • Q4 e-tron Sportback
MSRP $113.32
$78.53

Water Pipe

Part Number: 1EA-122-141-A
Audi Audi
Description: Awd, rear, to 10/30/2023.
Fits:
  • Audi:
    • Q4 e-tron,
    • Q4 e-tron Sportback
Backordered

Seal

Part Number: 03C-121-665
Audi 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 Audi
Other Names: Holder
Replaces: 03H-121-065-B
Description: 3.6L, with rear a/c.
Fits:
  • Audi:
    • Q7
MSRP $126.05
$87.35

Thermostat Housing

Part Number: 03H-121-117-A
Audi Audi
Applications: 3.6L.
Other Names: Housing
Description: 3.6L, main. Q7.
Fits:
  • Audi:
    • Q7
MSRP $209.98
$143.00

Thermostat Cover

Part Number: 03H-121-121-C
Audi Audi
Applications: 3.6L.
Other Names: Cover
Description: 3.6L, main. Q7.
Fits:
  • Audi:
    • Q7
MSRP $69.65
$50.15

Connector Tube

Part Number: 3Q0-121-065-B
Audi Audi
Other Names: Pipe
Replaces: 5Q0-121-065-H
Description: 1.4L, auxiliary.
Fits:
  • Audi:
    • A3 Sportback e-tron
Backordered

Water Pipe

Part Number: 420-121-050-B
Audi Audi
Other Names: Pipe
Description: Center, manual trans, 5.2L. Center, auto trans.
Fits:
  • Audi:
    • R8
Backordered

Thermostat

Part Number: 4B3-121-113-A
Audi Audi
Description: 4.2L, auxiliary.
Fits:
  • Audi:
    • Allroad Quattro
MSRP $376.48
$256.39

Engine Coolant Thermostat Gasket

Part Number: 04C-121-119-C
Audi Audi
Other Names: Seal
Description: Thermostat Location-Water Pump Housing.
Fits:
  • Audi:
    • A3 Sportback e-tron
MSRP $6.10
$3.81

Connector Tube

Part Number: 4E0-121-164-K
Audi 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
$205.44

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