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Audi A4 Coolant Flange Kits

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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

Coolant Flange Replacement Kit

ES#4023737 - CHS0648 - Coolant Flange Replacement Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Rein - Audi

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4023737
Mfg#:
CHS0648
In Stock
$225.99

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

$165.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cast Aluminum Coolant Flange Upgrade Kit

ES#4753366 - 06d121132C-KT - ECS Cast Aluminum Coolant Flange Upgrade Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. Includes heavy duty cast aluminum coolant flange. - ECS - Audi

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. Includes heavy duty cast aluminum coolant flange. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4753366
Mfg#:
06D121132C-KT
Back Ordered
ON SALE! SAVE 39%
$223.99

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

$136.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat / Water Pump Replacement Kit

ES#5386442 - 06L121111HPKT3 - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat. Includes revised genuine water pump/thermostat. - Genuine Volkswagen Audi - Audi Volkswagen

Includes necessary parts to replace the thermostat. Includes revised genuine water pump/thermostat.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5386442
Mfg#:
06L121111HPKT3
Ships in 2 Business Days
$809.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat / Water Pump Replacement Kit

ES#5386432 - 06L121111HPKT2 - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat. Includes upgraded Hamburg Technic water pump/thermostat. - Assembled By ECS - Audi Volkswagen

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

Brand:
Assembled By ECS - Corporate Logo
ES#:
5386432
Mfg#:
06L121111HPKT2
In Stock
ON SALE!
$312.99

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

$312.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Flange Replacement Kit

ES#4017845 - CHS0646 - Coolant Flange Replacement Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Rein - Audi

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4017845
Mfg#:
CHS0646
In Stock
$148.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Flange Replacement Kit

ES#2602901 - 06B121132EKT1 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602901
Mfg#:
06B121132EKT1
In Stock
ON SALE! SAVE 25%
$64.99

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

$49.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Flange Replacement Kit

ES#2770995 - 06D121132CKT2 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2770995
Mfg#:
06D121132CKT2
Ships in 1-2 days
ON SALE! SAVE 31%
$48.99

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

$33.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Replacement Kit

ES#4017762 - CHS0645 - Coolant Flange Replacement Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Rein - Audi Volkswagen

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with AEB & ATW engine codes with D-shaped coolant temp sensor

Brand:
Rein - Corporate Logo
ES#:
4017762
Mfg#:
CHS0645
Back Ordered
Auto Notify
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Replacement Kit

ES#4789435 - 06d121132ckt8KT - Coolant Flange Replacement Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Assembled By ECS - Audi

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4789435
Mfg#:
06D121132CKT8KT
Ships in 1-2 days
ON SALE! SAVE 13%
$142.99

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

$123.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Hose Flange Kit

ES#5341095 - 06D121132CKT9 - Engine Coolant Hose Flange Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Rein - Audi

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341095
Mfg#:
06D121132CKT9
Ships in 1 Business Day
$197.99 USD
Free Shipping
on orders $49 and up

Thermostat/Water Pump Kit

Everything you need to replace your thermostat/water pump

Brand:
Ina - Corporate Logo
ES#:
5481085
Mfg#:
06L121111JKT
In Stock
$399.99

This product was last offered at the strikethrough price on
06-18-2026

$382.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Audi B7 2.0T Cast Cooling Flange Replacement Kit

ES#4659383 - 06D121132CKT5 - Audi B7 2.0T Cast Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment once and for all! - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment once and for all! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4659383
Mfg#:
06D121132CKT5
In Stock
$105.99

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

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

Cooling Flange Replacement Kit

ES#2770993 - 06D121132Ckt1 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Genuine Volkswagen Audi - Audi

Cure the common coolant leak coming from the back of your engine compartment

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2770993
Mfg#:
06D121132CKT1
Ships in 1-2 days
$113.99

This product was last offered at the strikethrough price on
07-24-2026

$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling Flange Replacement Kit - With Coolant

ES#2602886 - 06B121132EKT - Cooling Flange Replacement Kit - With Coolant - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602886
Mfg#:
06B121132EKT
In Stock
ON SALE!
$97.99

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

$90.49 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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