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Audi A3 Engine Thermostat Parts

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Water Pump Thermostat Gasket Kit

ES#3536895 - 06H121026DD - 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 TSI models without electrical connection on pump inlet (please inspect prior to ordering).

Brand:
Hamburg Tech - Corporate Logo
ES#:
3536895
Mfg#:
06H121026DD
In Stock
$323.99

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

$199.00 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 FSI engines - Secures the thermostat housing to the engine

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
10-23-2026

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

Thermostat Housing

ES#4196 - 022121117C - Thermostat Housing - Common point of failure or leaking for the cooling system - Genuine Volkswagen Audi - Audi Volkswagen

Common point of failure or leaking for the cooling system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4196
Mfg#:
022121117C
Ships in 1 Business Day
$184.99 USD
Free Shipping
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 Secures 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 Housing Cover

ES#269571 - 022121121E - Thermostat Housing Cover - Common source of coolant leaks around your thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Common source of coolant leaks around your thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
269571
Mfg#:
022121121E
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.

$52.65

This product was last offered at the strikethrough price on
10-23-2026

$47.49 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 Into Our F80 M3 Sweepstakes
For vehicles with FSI engines 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

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 Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For TSI models without electrical connection on pump inlet (please inspect prior to ordering).

Brand:
Rein - Corporate Logo
ES#:
4362074
Mfg#:
06H121026DD
Back Ordered
$477.99

This product was last offered at the strikethrough price on
10-22-2026

$301.99 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 Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151982
Mfg#:
N90945002
In Stock
$5.99

This product was last offered at the strikethrough price on
10-18-2026

$3.99 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

Brand:
Vemo - Corporate Logo
ES#:
2713078
Mfg#:
075121113D
Ships in 1 Business Day
$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 OE# 06F121111F

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

Complete assembly including housing 10X Entries Into Our F80 M3 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

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
7% off MSRP

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

$126.99

This product was last offered at the strikethrough price on
10-05-2026

$117.99 USD
Free Shipping
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

Cast Aluminum Thermostat Housing

ES#3553457 - 462-121-VR47C - Cast Aluminum Thermostat Housing - Replace your inferior plastic housing - iABED Industries - Audi Volkswagen

Replace your inferior plastic housing Modification to water pipe may be required. Please see description for details.

Brand:
iABED Industries - Corporate Logo
ES#:
3553457
Mfg#:
462-121-VR47C
Back Ordered
$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Thermostat Housing Kit

ES#3553466 - 462-121-vr-24vKT - Cast Aluminum Thermostat Housing Kit - Replace your inferior plastic housings - iABED Industries - Audi Volkswagen

Replace your inferior plastic housings Modification to water pipe may be required. Please see description for details.

Brand:
iABED Industries - Corporate Logo
ES#:
3553466
Mfg#:
462-121-VR-24VKT
Back Ordered
$251.99 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 Into Our F80 M3 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

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 Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586887
Mfg#:
06H121113BKT1
In Stock
ON SALE! SAVE 35%
$33.99

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

$21.95 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 Audi

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