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Audi A4 Cooling System Service & Maintenance Parts

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Thermostat Replacement Kit

ES#2608020 - 06H121113BKT4 - Thermostat Replacement Kit - Keep your cooling system efficient with a new thermostat, housing and o-ring - Assembled By ECS - Audi

Keep your cooling system efficient with a new thermostat, housing and o-ring 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with Inzi water pumps up to production date 6/3/2012

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608020
Mfg#:
06H121113BKT4
Ships in 3 Business Days
ON SALE! SAVE 14%
$29.99

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

$25.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2762251 - 06C121111EKT1 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762251
Mfg#:
06C121111EKT1
Ships in 1 day
ON SALE! SAVE 24%
$57.99

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

$44.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Wrench

ES#2210254 - VAG1590 - Water Pump Wrench - Used for removing 2-piece pulley on V-belt systems - Genuine Volkswagen Audi - Audi Volkswagen

Used for removing 2-piece pulley on V-belt systems

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2210254
Mfg#:
VAG1590
In Stock
Limited Qty Sale
$47.99

This product was last offered at the strikethrough price on
08-24-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2581867 - 050121113ckt-3 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries Into Our F80 M3 Sweepstakes
Engine codes AEB & ATW

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581867
Mfg#:
050121113CKT-3
Ships in 2 Business Days
ON SALE! SAVE 18%
$44.99

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

$37.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

G13 Coolant - 1.5 Liter

ES#2808528 - G013A8JM1 - G13 Coolant - 1.5 Liter - Lilac OE specification lifetime coolant - ROWE - Audi Volkswagen

Lilac OE specification lifetime coolant

Brand:
ROWE - Corporate Logo
ES#:
2808528
Mfg#:
G013A8JM1
Ships in 8 Business Days
$17.99 USD
Free Shipping

Thermostat Replacement Kit

ES#2581870 - 050121113ckt-4 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries Into Our F80 M3 Sweepstakes
Engine code AWM

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581870
Mfg#:
050121113CKT-4
In Stock
ON SALE! SAVE 24%
$41.99

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

$31.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Anti-Freeze Tester

ES#4337913 - CTAA195 - Anti-Freeze Tester - Tests all ethylene glycol solutions with radiator hot or cold - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Tests all ethylene glycol solutions with radiator hot or cold

Brand:
CTA Tools - Corporate Logo
ES#:
4337913
Mfg#:
CTAA195
In Stock
$9.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit

ES#2762652 - 06E121111MKT2 - Cooling System Refresh Kit - Replace your thermostat and temp sensor with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensor with one kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762652
Mfg#:
06E121111MKT2
In Stock
$232.99

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

$228.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#3648512 - 06D121111GKT5 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensor, and expansion tank after performing a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3648512
Mfg#:
06D121111GKT5
In Stock
ON SALE!
$312.99

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

$302.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2762584 - 06E121111GKT1 - Cooling System Refresh Kit - Replace your thermostat and temp sensor with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensor with one kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762584
Mfg#:
06E121111GKT1
In Stock
ON SALE!
$143.43

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

$138.50 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#2593411 - 06H121026BAKT1 - Cooling System Refresh Kit - Level 1 - Service your critical cooling system components with one kit! - Genuine Volkswagen Audi - Audi

Service your critical cooling system components with one kit!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2593411
Mfg#:
06H121026BAKT1
In Stock
$639.99

This product was last offered at the strikethrough price on
09-02-2026

$634.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
Scratch and Dent Item

Bremmen Parts Thermostat/Water Pump Kit (Updated) *Scratch And Dent*

ES#5395761 - 06L121111P - Bremmen Parts Thermostat/Water Pump Kit (Updated) *Scratch And Dent* - ***Please see photos and description prior to ordering, all sales final.*** 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-rin - Scratch & Dent - Audi Volkswagen Porsche

***Please see photos and description prior to ordering, all sales final.*** 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-rin ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5395761
Mfg#:
06L121111P
No longer available

Cooling System Refresh Kit - Level 2

ES#2608134 - 030121121BKT2 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes
Engine code AEB from VIN 8D-W-007800 up to VIN 8D-X-500000, splits are in the 1998-1999 model years

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608134
Mfg#:
030121121BKT2
Ships in 1 Business Day
ON SALE!
$155.99

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

$153.42 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2778113 - 078121113FKT1 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-W-007800 Up to VIN 8D-X-315000, split is in the 1998 & 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2778113
Mfg#:
078121113FKT1
In Stock at Vendor
ON SALE!
$100.99

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

$99.00 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2778206 - 078121113FKT10 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2778206
Mfg#:
078121113FKT10
Ships in 1 Business Day
ON SALE!
$113.99

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

$111.60 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - level 2

ES#4220582 - 06H121026BAKT7 - Cooling System Refresh Kit - level 2 - This comprehensive kit eliminates weak spots in your cooling system - Assembled By ECS - Audi

This comprehensive kit eliminates weak spots in your cooling system 10X Entries Into Our F80 M3 Sweepstakes
Manual transmission vehicles only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4220582
Mfg#:
06H121026BAKT7
Ships in 1 Business Day
ON SALE!
$656.99

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

$601.30 USD
This product is lifetime replacement eligible Partial Replacement

More About Cooling System Service & Maintenance Parts

From individual cooling system parts to full cooling system refresh kits and cooling system upgrades, we have it all right here so you can keep your engine temperature in check or improve cooling system performance to meet the demands you place on your car.

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.

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