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

Volkswagen GTI Engine Thermostat Parts

Sort By
Filter By
Return to Top

Water Pump Kit with Coolant

ES#4765652 - 06J121026NKT2 - Water Pump Kit with Coolant - Includes a new water pump, belt, thermostat/housing, aluminum union piece & hardware, and G13 coolant - Assembled By ECS - Audi Volkswagen

Includes a new water pump, belt, thermostat/housing, aluminum union piece & hardware, and G13 coolant 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with TSI engines only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4765652
Mfg#:
06J121026NKT2
In Stock
ON SALE! SAVE 23%
$321.11

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

$248.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat / Water Pump Replacement Kit

ES#5388422 - 06L121111PKT2 - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat and water pump - Assembled By ECS - Volkswagen

Includes necessary parts to replace the thermostat and water pump 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5388422
Mfg#:
06L121111PKT2
In Stock
ON SALE! SAVE 13%
$335.99

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

$293.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat/Water Pump Kit

ES#4039367 - 06L121111H - Thermostat/Water Pump Kit - Includes thermostat, water pump, gasket, and belt. Made in Germany! - Vemo - Audi Volkswagen

Includes thermostat, water pump, gasket, and belt. Made in Germany!

Brand:
Vemo - Corporate Logo
ES#:
4039367
Mfg#:
06L121111H
Ships on Nov 17, 2026
ON SALE!
$376.99

This product was last offered at the strikethrough price on
07-14-2026

$365.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat / Water Pump Replacement Kit

ES#4829986 - 06L121111PKT - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat and water pump - Assembled By ECS - Audi Volkswagen

Includes necessary parts to replace the thermostat and water pump 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4829986
Mfg#:
06L121111PKT
In Stock at Vendor
$604.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pump Module (06H121026DD)

ES#4362074 - 06H121026DD - Aluminum Water Pump Module (06H121026DD) - Complete water pump housing module, includes thermostat, temp sensor, belt and gasket - Featuring a full aluminum housing! - Rein - Audi Volkswagen

Complete water pump housing module, includes thermostat, temp sensor, belt and gasket - Featuring a full aluminum housing! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles without electrical connection on pump inlet (please inspect prior to ordering). Affects 2010 & 2011 model year vehicles only.

Brand:
Rein - Corporate Logo
ES#:
4362074
Mfg#:
06H121026DD
Back Ordered
Auto Notify
$477.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#261191 - N90735604 - Bolt - Priced Each - Install new hardware with your new parts. M7x28 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M7x28 For vehicles with BPY engine code. Secures thermostat housing to engine block - 2 needed total

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261191
Mfg#:
N90735604
In Stock
2% off MSRP

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

$4.18

This product was last offered at the strikethrough price on
07-23-2026

$4.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen/Hex Bolt - Priced Each

ES#4151982 - N90945002 - Allen/Hex Bolt - Priced Each - Install new hardware with your new parts. M7x21.5mm - Rein - Audi Volkswagen

Install new hardware with your new parts. M7x21.5mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151982
Mfg#:
N90945002
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2588723 - 06F121111FKT - Thermostat Replacement Kit - Includes thermostat with housing, o-ring and mounting hardware - Assembled By ECS - Audi Volkswagen

Includes thermostat with housing, o-ring and mounting hardware 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with FSI engine only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2588723
Mfg#:
06F121111FKT
In Stock
ON SALE! SAVE 23%
$48.97

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

$37.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#467607 - N10196103 - Torx Bolt - Priced Each - Install new hardware with your new parts. M6x18 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x18 For vehicles with CCTA or CBFA. Used to secure the thermostat housing to the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467607
Mfg#:
N10196103
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2586887 - 06H121113BKT1 - Thermostat Replacement Kit - Includes a thermostat, housing, O-ring and bolts - Assembled By ECS - Audi Volkswagen

Includes a thermostat, housing, O-ring and bolts 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with CCTA engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586887
Mfg#:
06H121113BKT1
In Stock
ON SALE! SAVE 26%
$33.99

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

$25.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#3683 - N90365302 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 20X3 - Corteco - Audi Volkswagen

Install a new o-ring for a proper seal. 20X3 Seals the hard coolant pipe to the thermostat housing

Brand:
Corteco - Corporate Logo
ES#:
3683
Mfg#:
N90365302
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#281430 - 06H121113B - Thermostat - Keep your cooling system efficient - Genuine Volkswagen Audi - Audi Volkswagen

Keep your cooling system efficient For vehicles with CCTA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281430
Mfg#:
06H121113B
In Stock
ON SALE!
$115.00

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

$109.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat OE# 06F121111F

ES#3173594 - 06F121111F - Thermostat OE# 06F121111F - Complete assembly including housing - Bremmen Parts - Audi Volkswagen

Complete assembly including housing 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with FSI engines only

Brand:
Bremmen Parts - Corporate Logo
ES#:
3173594
Mfg#:
06F121111F
In Stock
ON SALE! SAVE 20%
$40.99

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

$32.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Water Pump Thermostat Gasket Kit

ES#3536895 - 06H121026DD - Upgraded Water Pump Thermostat Gasket Kit - Includes the thermostat, temp sensor, union, and gaskets - Hamburg Tech - Audi Volkswagen

Includes the thermostat, temp sensor, union, and gaskets We Price Match - Give Us A Call or Chat!
For vehicles with TSI engines only

Brand:
Hamburg Tech - Corporate Logo
ES#:
3536895
Mfg#:
06H121026DD
In Stock
ON SALE! SAVE 40%
$323.52

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

$193.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#3149392 - 06H121113B - Thermostat - Keep your cooling system efficient - Rein - Audi Volkswagen

Keep your cooling system efficient 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with CCTA engine code only

Brand:
Rein - Corporate Logo
ES#:
3149392
Mfg#:
06H121113B
In Stock
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing with Thermostat

ES#4759992 - 06H121121L - Thermostat Housing with Thermostat - Complete assembly with OE temperature 95C thermostat 06H121113B - Bremmen Parts - Audi Volkswagen

Complete assembly with OE temperature 95C thermostat 06H121113B 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with CCTA engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759992
Mfg#:
06H121121L
In Stock
ON SALE! SAVE 22%
$20.99

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

$16.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Thermostat Parts

Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.

Let us help you find the parts that fit your Volkswagen

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