Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi B5 Thermostat Parts

Sort By
Filter By
Return to Top

Thermostat (87°C)

ES#4766153 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Bremmen Parts - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766153
Mfg#:
050121113C
In Stock
ON SALE!
$16.99

This product was last offered at the strikethrough price on
05-02-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

ES#1892327 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Mahle-Behr - Audi Volkswagen

Prevent overheating and premature engine wear

Brand:
Mahle-Behr - Corporate Logo
ES#:
1892327
Mfg#:
078121113F
In Stock
$28.99

This product was last offered at the strikethrough price on
04-09-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Racing Thermostat (82C)

ES#3184176 - MMTS-GTI-99 - Racing Thermostat (82C) - Prevent overheating and premature engine wear with a lower opening temperature - Mishimoto - Audi Volkswagen

Prevent overheating and premature engine wear with a lower opening temperature

Brand:
Mishimoto - Corporate Logo
ES#:
3184176
Mfg#:
MMTS-GTI-99
In Stock
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#2713078 - 075121113D - Thermostat - 80C - Includes sealing O-Ring - Vemo - Audi Volkswagen

Includes sealing O-Ring Lower temperature thermostat, stock is 87°C

Brand:
Vemo - Corporate Logo
ES#:
2713078
Mfg#:
075121113D
In Stock at Vendor
$18.99

This product was last offered at the strikethrough price on
05-07-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#261231 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear - Genuine Volkswagen Audi - Audi Volkswagen

Prevent overheating and premature engine wear

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261231
Mfg#:
050121113C
Ships in 2 Business Days
15% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$61.99

This product was last offered at the strikethrough price on
07-17-2026

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#544 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Mahle-Behr - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring

Brand:
Mahle-Behr - Corporate Logo
ES#:
544
Mfg#:
050121113C
In Stock
$24.99

This product was last offered at the strikethrough price on
05-21-2026

$24.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 71°C

ES#6957 - 075121113D 71D - Thermostat - 71C - Keep your engine running cooler for more power - Mahle-Behr - Audi Volkswagen

Keep your engine running cooler for more power Lower temperature thermostat than factory - OE is 87°C

Brand:
Mahle-Behr - Corporate Logo
ES#:
6957
Mfg#:
075121113D 71D
Ships in 6 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen/Hex Bolt - Priced Each

ES#6661 - N90945002 - Allen/Hex Bolt - Priced Each - Install new hardware with your new parts. M7x21.5mm - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M7x21.5mm Engine code AWM. Secures the thermostat housing to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
6661
Mfg#:
N90945002
In Stock
Limited Qty Sale
29% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$8.49

This product was last offered at the strikethrough price on
03-18-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#1498 - 075121113D 80D - Thermostat - 80C - Includes sealing O-Ring - Mahle-Behr - Audi Volkswagen Porsche

Includes sealing O-Ring Lower temperature thermostat, stock is 87�C

Brand:
Mahle-Behr - Corporate Logo
ES#:
1498
Mfg#:
075121113D 80D
In Stock at Vendor
$40.55

This product was last offered at the strikethrough price on
02-19-2026

$37.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

ES#2598454 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Vaico - Audi Volkswagen

Prevent overheating and premature engine wear We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598454
Mfg#:
078121113F
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Temp Thermostat - 70 Degree C

ES#4858162 - 034-102-7005 - Low Temp Thermostat - 70 Degree C - Get faster coolant circulation through the radiator for cooler running. - 034Motorsport - Audi Volkswagen

Get faster coolant circulation through the radiator for cooler running.

Brand:
034Motorsport - Corporate Logo
ES#:
4858162
Mfg#:
034-102-7005
In Stock
$51.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VR6 Racing Thermostat - 71°C

ES#2764806 - MMTSVR693L - VR6 Racing Thermostat - 71C - Keep your engine running cooler for more power - Mishimoto - Audi Volkswagen

Keep your engine running cooler for more power Lower temperature thermostat than factory - OE is 87°C

Brand:
Mishimoto - Corporate Logo
ES#:
2764806
Mfg#:
MMTSVR693L
In Stock at Vendor
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#1848432 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1848432
Mfg#:
N90136802
In Stock
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$7.80

This product was last offered at the strikethrough price on
07-21-2026

$7.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#261234 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261234
Mfg#:
038121119B
Ships in 1-3 days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#1306802 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Vemo - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring

Brand:
Vemo - Corporate Logo
ES#:
1306802
Mfg#:
050121113C
In Stock
ON SALE! SAVE 38%
$18.99

This product was last offered at the strikethrough price on
05-14-2026

$11.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#282068 - 075121113D - Thermostat - 80C - Does not include sealing O-Ring - Genuine Volkswagen Audi - Audi Volkswagen

Does not include sealing O-Ring Lower temperature thermostat, stock is 87°C

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
282068
Mfg#:
075121113D
Ships in 1 day
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$59.99

This product was last offered at the strikethrough price on
07-21-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings