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Volkswagen Engine Coolant Flanges & Parts

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Thermostat/Water Pump Kit (Updated)

ES#4699573 - 06L121111P - Thermostat/Water Pump Kit (Updated) - Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings - Bremmen Parts - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles from the 2018 model year only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4699573
Mfg#:
06L121111P
In Stock
ON SALE! SAVE 10%
$250.99

This product was last offered at the strikethrough price on
07-16-2026

$225.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat/Water Pump Kit

ES#3624235 - 06L121111J - Thermostat/Water Pump Kit - Includes thermostat, water pump, gasket, and belt! - Ina - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Includes thermostat, water pump, gasket, and belt! We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3624235
Mfg#:
06L121111J
In Stock
$323.99

This product was last offered at the strikethrough price on
04-07-2026

$305.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat / Water Pump Replacement Kit

ES#3551351 - 06l121111hKT1 - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat. Includes upgraded Bremmen Parts water pump/thermostat. - Assembled By ECS - Audi Volkswagen

Includes necessary parts to replace the thermostat. Includes upgraded Bremmen Parts water pump/thermostat. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3551351
Mfg#:
06L121111HKT1
In Stock
ON SALE! SAVE 18%
$298.99

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

$243.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat/Water Pump Kit - With Belt

ES#5425238 - 06L121111J - Thermostat/Water Pump Kit - With Belt - Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. - Bremmen Parts - Audi Volkswagen Porsche

Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5425238
Mfg#:
06L121111J
In Stock
$270.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Heavy Duty Thermostat / Water Pump Belt Kit

ES#4818763 - 06L121111P - Upgraded Heavy Duty Thermostat / Water Pump Belt Kit - Includes thermostat, water pump, belt, union, and O-rings. - Hamburg Tech - Audi Volkswagen Porsche

Includes thermostat, water pump, belt, union, and O-rings. We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4818763
Mfg#:
06L121111P
In Stock
$267.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat / Water Pump Replacement Kit

ES#3996455 - 06l121111hKT3 - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Includes necessary parts to replace the thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3996455
Mfg#:
06L121111HKT3
In Stock
$694.99

This product was last offered at the strikethrough price on
08-14-2026

$609.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat / Water Pump Replacement Kit

ES#5388424 - 06L121111PKT3 - 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#:
5388424
Mfg#:
06L121111PKT3
In Stock
ON SALE!
$325.99

This product was last offered at the strikethrough price on
07-16-2026

$316.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat / Water Pump Replacement Kit

ES#3464963 - 06l121111hKT - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Includes necessary parts to replace the thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3464963
Mfg#:
06L121111HKT
In Stock
$756.99

This product was last offered at the strikethrough price on
08-14-2026

$671.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Housing With Water Pump

ES#3991461 - 06K121111P - Thermostat Housing With Water Pump - Includes thermostat - Geba - Volkswagen

Includes thermostat

Brand:
Geba - Corporate Logo
ES#:
3991461
Mfg#:
06K121111P
In Stock
$170.05

This product was last offered at the strikethrough price on
04-10-2026

$169.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Cast Aluminum Thermostat Housing

ES#3086042 - 006660ECS01 - Heavy Duty Cast Aluminum Thermostat Housing - The last thermostat housing you'll ever need! - ECS - Audi Volkswagen

The last thermostat housing you'll ever need! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3086042
Mfg#:
006660ECS01
In Stock
ON SALE! SAVE 25%
$85.99

This product was last offered at the strikethrough price on
06-13-2026

$64.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat / Water Pump Replacement Kit

ES#5388421 - 06L121111PKT1 - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat and water pump - Genuine Volkswagen Audi - Volkswagen

Includes necessary parts to replace the thermostat and water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5388421
Mfg#:
06L121111PKT1
In Stock
$787.99

This product was last offered at the strikethrough price on
08-14-2026

$702.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

034Motorsport Billet Coolant Vent Union

ES#4810768 - 034-102-Z048 - 034Motorsport Billet Coolant Vent Union - Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines. - 034Motorsport - Audi Volkswagen

Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines.

Brand:
034Motorsport - Corporate Logo
ES#:
4810768
Mfg#:
034-102-Z048
In Stock
ON SALE! SAVE 10%
$31.00

This product was last offered at the strikethrough price on
08-17-2026

$27.90 USD
Free Shipping

Thermostat

ES#4671694 - 06L121111N - Thermostat - Includes housing and gasket - Genuine Volkswagen Audi - Audi Volkswagen

Includes housing and gasket

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4671694
Mfg#:
06L121111N
In Stock
23% off MSRP

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

$563.72

This product was last offered at the strikethrough price on
08-13-2026

$435.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy-Duty Aluminum Thermostat Cooling Hose Adapter (5Q0122291DA)

ES#4920775 - 054443la01KT - Heavy-Duty Aluminum Thermostat Cooling Hose Adapter (5Q0122291DA) - Upgrade to durable cast aluminum construction & say goodbye to failure-prone plastic! - ECS - Audi Volkswagen

Upgrade to durable cast aluminum construction & say goodbye to failure-prone plastic! 10X Entries For Our 25th Anniversary Sweepstakes!
Not for Vehicles with Engine Codes CYFB, DJJA, or DLRA

Brand:
ECS - Corporate Logo
ES#:
4920775
Mfg#:
054443LA01KT
In Stock
ON SALE! SAVE 20%
$104.99

This product was last offered at the strikethrough price on
06-13-2026

$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime 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

ECS Billet 24v Aluminum Water Pipe - Black

ES#2848080 - 003285ECS0101 - ECS Billet 24v Aluminum Water Pipe - Black - Designed to be the last water pipe you'll need to replace - ECS - Audi Volkswagen

Designed to be the last water pipe you'll need to replace 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2848080
Mfg#:
003285ECS0101
In Stock
ON SALE! SAVE 10%
$135.99

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

$123.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Coolant Flanges & Parts

Replace a cracked or failed coolant flange with a brand new coolant flange to stop those leaks!

Other Volkswagen Engine Coolant Flanges & Parts

Let us help you find the parts that fit your Volkswagen

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