Audi OEM Thermostats

All the OEM Audi thermostat parts you need, just clicks away! To see only thermostat parts for your Audi, use the dropdown menus to select your year and model below. 

We have everything you need from full OEM thermostat units to Audi thermostat housings and every part in between. At Bernardi Parts, we only sell genuine Audi parts to keep your Audi running as smooth as the day you drove it off the lot.

If you have any questions about our OEM thermostat parts, don’t hesitate to call our in-house experts.

Thermostat Housing
06J-121-121
Other Names: Thermostat Outlet, Cover More
Description: ALLROAD More
Notes: Part Inclued With Water Pump Assembly. More
Fits:
  • Audi:
    • A3,
    • A3 Quattro,
    • A4,
    • A4 Quattro,
    • A5,
    • A5 Quattro,
    • A6,
    • A6 Quattro,
    • allroad,
    • Q5
  • 5 more
$22.60
$13.56
$22.60
$13.56
Thermostat Housing
079-121-115-E
Other Names: Thermostat Unit, Thermostat More
Description: S4, RS4 More
Notes: Included With Water Pump Assembly. More
Fits:
  • Audi:
    • RS4,
    • S4
$230.00
$165.60
$230.00
$165.60
Thermostat Housing
04L-121-026-AE
Other Names: Thermostat Unit, Housing More
Replaces: 04L-121-026-F, 04L-121-026-Q
Description: A3 More
Notes: Includes Thermostat. More
Fits:
  • Audi:
    • A3
$136.67
$98.40
$136.67
$98.40
Thermostat Housing
06B-121-111-K
Other Names: Thermostat More
Replaces: 06B-121-111-D, 06B-121-111-G, 06B-121-111-H
Description: 1.8 LITER More
Fits:
  • Audi:
    • A4,
    • A4 Quattro
$201.67
$145.20
$201.67
$145.20
Thermostat Unit
06E-121-111-AT
Positions: Front
Other Names: Thermostat, Water Pump, Thermostat Housing More
Description: A7; 3.0L GAS More
Notes: Includes Thermostat Gasket. More
Fits:
  • Audi:
    • A6 Quattro,
    • A7 Quattro,
    • A8 Quattro,
    • Q7
$39.43
$28.39
$39.43
$28.39
Thermostat Unit
06E-121-111-G
Other Names: Thermostat, Thermostat Housing More
Replaces: 06E-121-111-D
Description: A4 More
Fits:
  • Audi:
    • A4,
    • A4 Quattro,
    • A6,
    • A6 Quattro
$148.33
$106.80
$148.33
$106.80
Thermostat Unit
06E-121-111-M
Other Names: Thermostat Housing, Thermostat More
Description: A6; 3.2L More
Notes: Includes Thermostat And Gasket. More
Fits:
  • Audi:
    • A4 Quattro,
    • A5 Quattro,
    • A6,
    • Q5
$83.33
$60.00
$83.33
$60.00
Thermostat Unit
06F-121-111-F
Other Names: Thermostat, Thermostat Housing More
Description: A3; 2.0L More
Fits:
  • Audi:
    • A3,
    • TT,
    • TT Quattro
$66.67
$48.00
$66.67
$48.00
Thermostat Unit
079-121-115-BK
Other Names: Thermostat Housing, Thermostat Outlet, Thermostat More
Replaces: 079-121-115-BA, 079-121-115-BF
Description: 4.2 LITER More
Notes: Included With Water Pump Assembly. Includes Thermostat. More
Fits:
  • Audi:
    • A6 Quattro,
    • A8 Quattro,
    • Q7,
    • S6,
    • S8
$98.33
$70.80
$98.33
$70.80
Thermostat Unit
07K-121-115-D
Other Names: Thermostat Housing, Thermostat More
Description: 2.5 LITER, MAIN More
Fits:
  • Audi:
    • TT Quattro
$230.00
$165.60
$230.00
$165.60
Thermostat Unit
07P-121-115-E
Other Names: Cover, Thermostat More
Replaces: 07P-121-115-C
Description: 6.3 LITER More
Notes: Included With Thermostat Unit. More
Fits:
  • Audi:
    • A8 Quattro
$1,498.57
$1,258.80
$1,498.57
$1,258.80
Thermostat Seal
N-901-368-02
Other Names: Gasket, Thermostat Cover Seal, Adapter Seal, Engine Coolant Thermostat Gasket, Seal Ring More
Description: 3.2 LITER More
Notes: Included With Thermsotat Unit. More
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
  • 22 more
$4.68
$2.81
$4.68
$2.81
Thermostat Unit
022-121-111-H
Other Names: Thermostat Housing, Housing More
Description: TT More
Notes: Includes Thermostat & Gasket. More
Fits:
  • Audi:
    • A3 Quattro,
    • TT Quattro
$260.00
$187.20
$260.00
$187.20
Thermostat Housing
06C-121-111-E
Other Names: Thermostat More
Replaces: 06C-121-111-C
Description: 3.0 LITER More
Fits:
  • Audi:
    • A4,
    • A4 Quattro,
    • A6,
    • A6 Quattro
$83.33
$60.00
$83.33
$60.00
Thermostat Unit
06D-121-111-G
Other Names: Thermostat Housing, Thermostat More
Description: A4; FROM 5400001 More
Fits:
  • Audi:
    • A4,
    • A4 Quattro
$83.33
$60.00
$83.33
$60.00
Thermostat Unit
06E-121-111-AL
Other Names: Thermostat, Thermostat Housing More
Replaces: 06E-121-111-AD, 06E-121-111-S, 06E-121-111-T
Description: Q7 More
Notes: Includes Thermostat And Gasket. More
Fits:
  • Audi:
    • A6 Quattro,
    • A7 Quattro,
    • A8 Quattro,
    • Q5,
    • Q7,
    • S4,
    • S5,
    • SQ5
  • 3 more
$55.80
$40.18
$55.80
$40.18
Thermostat Housing
06F-121-111-H
Other Names: Thermostat Unit, Thermostat More
Description: TT; W/TTS MODEL More
Fits:
  • Audi:
    • TT,
    • TT Quattro
$66.67
$48.00
$66.67
$48.00
Thermostat Unit
06L-121-111-M
Other Names: Thermostat, Thermostat Housing More
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
Description: A6 More
Fits:
  • Audi:
    • A3,
    • A3 Quattro,
    • A4,
    • A4 allroad,
    • A4 Quattro,
    • A5 Quattro,
    • A5 Sportback,
    • A6,
    • A6 Quattro,
    • Q5,
    • Q7,
    • S3,
    • TT Quattro
  • 8 more
$280.00
$201.60
$280.00
$201.60
Thermostat Housing
06M-121-115-J
Other Names: Thermostat Unit, Thermostat, Housing More
Replaces: 06M-121-115-G, 06M-121-115-H
Description: 3.0 LITER, MAIN, FROM 02/04/2019 More
Notes: Includes Thermostat Gasket. More
Fits:
  • Audi:
    • A6 Quattro,
    • A7 Quattro,
    • A8 Quattro,
    • S4,
    • S5,
    • SQ5
  • 1 more
$162.72
$117.16
$162.72
$117.16
Thermostat Housing
077-121-121-C
Other Names: Thermostat Cover, Cover More
Description: 4.2 LITER, 2004-06 More
Fits:
  • Audi:
    • A6 Quattro,
    • A8 Quattro,
    • RS6,
    • S6,
    • S8
$220.00
$158.40
$220.00
$158.40
Thermostat Housing
07D-121-111-AN
Other Names: Thermostat More
Replaces: 07D-121-111-AH
Description: 6.0 LITER, PRIMARY More
Fits:
  • Audi:
    • A8 Quattro
$385.00
$277.20
$385.00
$277.20
Thermostat Unit
07K-121-111-D
Other Names: Thermostat More
Replaces: 07K-121-111-C
Description: TT More
Notes: Includes Thermostat Housing. More
Fits:
  • Audi:
    • RS3,
    • TT Quattro
$375.00
$270.00
$375.00
$270.00
Thermostat Unit
03L-121-111-AC
Other Names: Thermostat Housing, Thermostat More
Replaces: 03L-121-111-M
Description: 2.0 LITER, DIESEL More
Notes: Includes Thermostat. More
Fits:
  • Audi:
    • A3,
    • A3 Quattro
$90.00
$64.80
$90.00
$64.80
Thermostat Housing
059-121-111-R
Other Names: Thermostat Unit, Thermostat More
Description: Q7 More
Notes: Includes Thermostat & Gasket. More
Fits:
  • Audi:
    • Q7
$66.67
$48.00
$66.67
$48.00
Thermostat Housing
06H-121-121-L
Other Names: Thermostat Cover, Thermostat Outlet, Cover More
Replaces: 06H-121-121-K
Description: MAIN More
Notes: Part Inclued With Water Pump Assembly. More
Fits:
  • Audi:
    • A3,
    • A3 Quattro,
    • A4,
    • A4 Quattro,
    • A5,
    • A5 Quattro,
    • A6,
    • A6 Quattro,
    • allroad,
    • Q3,
    • Q3 Quattro,
    • Q5,
    • TT,
    • TT Quattro
  • 9 more
$22.60
$13.56
$22.60
$13.56
Thermostat Housing
078-121-121-K
Other Names: Thermostat Cover, Water Pump Cover Plate, Cover More
Description: A6/S6; W/O 2.7L, 2.8L More
Fits:
  • Audi:
    • A6,
    • A6 Quattro,
    • Allroad Quattro
$138.33
$99.60
$138.33
$99.60
Thermostat Unit
079-121-111-J
Other Names: Thermostat Housing, Thermostat More
Replaces: 079-121-111-F
Description: S4, RS4 More
Notes: Included With Water Pump Assembly. Includes Thermostat. More
Fits:
  • Audi:
    • A6 Quattro,
    • Allroad Quattro,
    • RS4,
    • S4
$230.00
$165.60
$230.00
$165.60
Thermostat Housing
079-121-115-AT
Other Names: Thermostat More
Replaces: 079-121-115-AD, 079-121-115-AL, 079-121-115-J
Description: A6 More
Notes: Included With Water Pump Assembly. Includes Thermostat. More
Fits:
  • Audi:
    • A6 Quattro,
    • R8
$676.67
$487.20
$676.67
$487.20
Thermostat Housing
079-121-115-BG
Other Names: Thermostat Unit, Thermostat More
Replaces: 079-121-115-BJ
Description: RS 5 More
Notes: Included With Water Pump Assembly. Includes Thermostat. More
Fits:
  • Audi:
    • A8 Quattro,
    • R8,
    • RS5,
    • S5
$155.00
$111.60
$155.00
$111.60
Thermostat Unit
079-121-115-BL
Other Names: Thermostat, Thermostat Housing More
Description: S7, RS7 More
Notes: Includes Thermostat Housing. Included With Water Pump Assembly. More
Fits:
  • Audi:
    • A8 Quattro,
    • RS7,
    • S6,
    • S7,
    • S8
$230.00
$165.60
$230.00
$165.60
Thermostat Unit Gasket
06L-121-139-A
Other Names: Gasket, Thermostat Unit Seal, Thermostat Gasket, Thermostat Housing Seal, Thermostat Housing Gasket, Seal More
Replaces: 06L-121-139
Description: A6 More
Notes: Included With Thermostat Housing. More
Fits:
  • Audi:
    • A3,
    • A3 Quattro,
    • A4,
    • A4 allroad,
    • A4 Quattro,
    • A5 Quattro,
    • A5 Sportback,
    • A6,
    • A6 Quattro,
    • Q5,
    • Q7,
    • S3,
    • TT Quattro
  • 8 more
$44.80
$26.88
$44.80
$26.88
Thermostat Housing Gasket
021-121-119-A
Other Names: Thermostat Unit Gasket, Gasket More
Description: 3.2 LITER More
Notes: Included With Thermsotat Unit. More
Fits:
  • Audi:
    • A3 Quattro,
    • TT Quattro
$8.24
$4.94
$8.24
$4.94
Thermostat Housing Bolt
N-103-470-03
Positions: Left Rear, Right Rear
Other Names: Bracket Bolt, Thermostat Cover Bolt, Shroud Screw, Thermostat Outlet Bolt, Shroud Bolt, Mount Bracket Bolt, Rear Duct Bolt, Holder... More
Replaces: N-100-841-02, N-103-470-01
Description: MAIN, M6X16 More
Notes: Part Inclued With Water Pump Assembly. More
Fits:
  • Audi:
    • A4,
    • A4 Quattro,
    • A5,
    • A5 Quattro,
    • A6,
    • A6 Quattro,
    • allroad,
    • Q3,
    • Q3 Quattro,
    • Q5,
    • Q7,
    • R8,
    • S5
  • 8 more
$1.36
$0.82
$1.36
$0.82
Thermostat Unit Screw
WHT-004-972
Other Names: Thermostat Screw, Thermostat Housing Screw, Thermostat Unit Bolt, Water Pump Bolt, Screw More
Description: 2.0 LITER, 2016-18 More
Notes: Included With Thermostat Housing. Included With Water Pump. More
Fits:
  • Audi:
    • A4,
    • A4 allroad,
    • A4 Quattro,
    • A5 Quattro,
    • A5 Sportback,
    • A6,
    • A6 Quattro,
    • Q5,
    • Q7,
    • TT Quattro
  • 5 more
$0.82
$0.49
$0.82
$0.49
Engine Coolant Thermostat
069-121-113
Other Names: Thermostat More
Description: ALL MODELS More
Fits:
  • Audi:
    • 100,
    • 100 Quattro,
    • 200,
    • 200 Quattro,
    • 4000 Quattro,
    • 5000,
    • 5000 Quattro,
    • 80,
    • 80 Quattro,
    • 90,
    • 90 Quattro,
    • Coupe,
    • Coupe Quattro,
    • Quattro,
    • S4,
    • S6
  • 11 more
$65.00
$46.80
$65.00
$46.80
Thermostat Housing Gasket
06J-121-119-B
Other Names: Gasket, Thermostat Gasket, Thermostat Cover Seal, Thermostat Housing O-Ring, Thermostat Outlet O-Ring, Seal Ring More
Replaces: 06J-121-119-A
Description: A3; 2.0L More
Notes: Part Inclued With Water Pump Assembly. More
Fits:
  • Audi:
    • A3,
    • A3 Quattro,
    • A4,
    • A4 Quattro,
    • A5,
    • A5 Quattro,
    • A6,
    • A6 Quattro,
    • allroad,
    • Q5
  • 5 more
$5.58
$3.35
$5.58
$3.35
Engine Coolant Thermostat Kit
079-121-115-BE
Other Names: Thermostat More
Description: Incl.Housing and Thermostat More
Fits:
  • Audi:
    • R8
$676.67
$487.20
$676.67
$487.20
Thermostat Unit Mount Bolt
N-907-356-04
Other Names: Mount Bolt, Thermostat Unit Bolt, Bolt More
Replaces: N-907-356-02, N-907-356-03
Description: 2011-15 W/AWD, TTS, MAIN More
Fits:
  • Audi:
    • A4,
    • A4 Quattro,
    • TT,
    • TT Quattro
$1.56
$0.94
$1.56
$0.94
Thermostat Unit O-Ring
06B-121-119-C
Other Names: Thermostat O-Ring, Thermostat Unit Seal, Thermostat Seal, Thermostat Unit Gasket, Gasket, Washer More
Description: 3.0 LITER More
Notes: Included With Thermostat Unit. More
Fits:
  • Audi:
    • A3,
    • A4,
    • A4 Quattro,
    • A6,
    • A6 Quattro,
    • TT,
    • TT Quattro
  • 2 more
$12.26
$7.36
$12.26
$7.36
Thermostat Housing O-Ring
06H-121-119-E
Other Names: Thermostat Gasket, Gasket, Thermostat Cover Seal, Thermostat Outlet Seal, Thermostat Housing Gasket, Thermostat Outlet O-Ring,... More
Description: Q3 More
Notes: Part Inclued With Water Pump Assembly. More
Fits:
  • Audi:
    • A3,
    • A4,
    • A4 Quattro,
    • A5,
    • A5 Quattro,
    • A6,
    • A6 Quattro,
    • allroad,
    • Q3,
    • Q3 Quattro,
    • Q5,
    • TT,
    • TT Quattro
  • 8 more
$5.58
$3.35
$5.58
$3.35
Thermostat Unit O-Ring
06M-121-688
Other Names: Gasket, Thermostat Unit Seal, Washer More
Description: SQ5 More
Fits:
  • Audi:
    • A6 Quattro,
    • A7 Quattro,
    • A8 Quattro,
    • Q8,
    • RS5,
    • RS5 Sportback,
    • S4,
    • S5,
    • S5 Sportback,
    • SQ5
  • 5 more
$6.54
$3.92
$6.54
$3.92
Engine Coolant Thermostat Gasket
079-121-119-C
Other Names: Gasket, Thermostat Unit Gasket, Thermostat Unit Seal, Thermostat Housing Gasket, Thermostat Outlet Gasket More
Description: RS 5 More
Notes: Included With Thermostat Outlet. Included With Water Pump Assembly. Included With Thermostat Housing. More
Fits:
  • Audi:
    • A6 Quattro,
    • A8 Quattro,
    • Q7,
    • R8,
    • RS4,
    • RS5,
    • S5,
    • S6,
    • S8
  • 4 more
$13.36
$8.02
$13.36
$8.02
Thermostat
04E-121-113-B
Positions: Inner
Description: 1.4 LITER, INNER More
Notes: Included With Water Pump Assembly. More
Fits:
  • Audi:
    • A3 Sportback e-tron
$58.33
$42.00
$58.33
$42.00
Thermostat
06H-121-113-B
Description: Q3 More
Notes: Part Inclued With Water Pump Assembly. More
Fits:
  • Audi:
    • A3,
    • A3 Quattro,
    • A4,
    • A4 Quattro,
    • A5,
    • A5 Quattro,
    • A6,
    • A6 Quattro,
    • allroad,
    • Q3,
    • Q3 Quattro,
    • Q5,
    • TT,
    • TT Quattro
  • 9 more
$65.00
$46.80
$65.00
$46.80
Thermostat
06J-121-113-A
Description: A3; 2.0L More
Notes: Part Inclued With Water Pump Assembly. More
Fits:
  • Audi:
    • A3,
    • A3 Quattro,
    • A4,
    • A4 Quattro,
    • A5,
    • A5 Quattro,
    • Q5,
    • TT Quattro
  • 3 more
$96.67
$69.60
$96.67
$69.60
Thermostat
078-121-113-F
Description: 2.8 LITER V6 More
Fits:
  • Audi:
    • 100,
    • 100 Quattro,
    • 90,
    • 90 Quattro,
    • A4,
    • A4 Quattro,
    • A6,
    • A6 Quattro,
    • A8,
    • A8 Quattro,
    • Allroad Quattro,
    • Cabriolet,
    • S4,
    • S8,
    • V8 Quattro
  • 10 more
$44.00
$26.40
$44.00
$26.40
Thermostat
079-121-115-BB
Replaces: 079-121-115-AA
Description: Incl.Gasket,Housing and Thermostat More
Fits:
  • Audi:
    • A8 Quattro,
    • RS5,
    • S5
$150.00
$108.00
$150.00
$108.00
Thermostat
420-115-201
Description: 5.2 LITER More
Notes: Included With Oil Cooler. More
Fits:
  • Audi:
    • R8
$670.00
$482.40
$670.00
$482.40
Thermostat
03H-121-113-D
Replaces: 03H-121-113
Description: Q7 More
Fits:
  • Audi:
    • Q7
$65.00
$46.80
$65.00
$46.80
Thermostat
04E-121-113-F
Positions: Inner
Description: 1.4 LITER, INNER More
Notes: Included With Water Pump Assembly. More
Fits:
  • Audi:
    • A3 Sportback e-tron
$58.33
$42.00
$58.33
$42.00

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