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Audi A3 Engine Cooling Parts

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Heater Core Pipe Set

Connects the heater core to the coolant hoses

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737982
Mfg#:
5Q1819857A
Ships in 1-2 days
11% off MSRP

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

$111.99

This product was last offered at the strikethrough price on
08-31-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Pair

ES#5482221 - 1k0122157keKT - Heater Core Hose - Pair - This pair includes the Return and Supply hoses - Genuine Volkswagen Audi - Audi Volkswagen

This pair includes the Return and Supply hoses

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5482221
Mfg#:
1K0122157KEKT
Ships in 3 Business Days
$127.99

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

$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Thermostat

Prevent overheating and premature engine wear.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2570395
Mfg#:
04E121113G
Ships in 3 Business Days
11% off MSRP

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

$72.99

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

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 2

ES#2608187 - 06J121113AKT2 - 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
For TSI engine models with CCTA engine code equipped with Behr water pump

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608187
Mfg#:
06J121113AKT2
Ships in 4 Business Days
ON SALE!
$344.99

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

$334.52 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#2592486 - 06H121121JKT2 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! 10X Entries Into Our F80 M3 Sweepstakes
For TSI engine models with CCTA engine code equipped with Inzi water pump

Brand:
Assembled By ECS - Corporate Logo
ES#:
2592486
Mfg#:
06H121121JKT2
Ships in 4 Business Days
ON SALE! SAVE 13%
$108.99

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

$94.76 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#2608194 - 06H121113BKT5 - 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
For TSI engine models with CCTA engine code equipped with Inzi water pump

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608194
Mfg#:
06H121113BKT5
Ships in 4 Business Days
ON SALE! SAVE 10%
$160.99

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

$145.52 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2608190 - 06J121113AKT3 - Cooling System Refresh Kit - Level 3 - Replace critical cooling system components and perform a proper coolant system flush! - Assembled By ECS - Audi

Replace critical cooling system components and perform a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes
For TSI engine models with CCTA engine code equipped with Behr water pump

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608190
Mfg#:
06J121113AKT3
Ships in 4 Business Days
ON SALE!
$451.99

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

$441.83 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2608198 - 06J121132EKT - Cooling System Refresh Kit - Level 3 - Replace critical cooling system components and perform a proper coolant system flush! - Assembled By ECS - Audi

Replace critical cooling system components and perform a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes
For TSI engine models with CCTA engine code equipped with Inzi water pump

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608198
Mfg#:
06J121132EKT
Ships in 4 Business Days
ON SALE!
$262.99

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

$247.11 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

WATER PUMP

ES#3471508 - 7E0965561F - WATER PUMP - Genuine Volkswagen Audi - Audi Volkswagen

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3471508
Mfg#:
7E0965561F
Ships in 7 Business Days
11% off MSRP

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

$346.99

This product was last offered at the strikethrough price on
08-31-2026

$309.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#4266332 - 06H121026DS - Water Pump - Runs coolant throughout the engine and cooling system - Genuine Volkswagen Audi - Audi Volkswagen

Runs coolant throughout the engine and cooling system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4266332
Mfg#:
06H121026DS
Ships in 7 Business Days
11% off MSRP

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

$507.99

This product was last offered at the strikethrough price on
08-31-2026

$452.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Water Pump

Price includes $60 refundable core charge

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2719065
Mfg#:
03L121011GXKT
Ships in 7 Business Days
$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 360mm

ES#2702624 - 1K0959455FJ - Auxiliary Fan Assembly - 360mm - Larger of the two fans found behind the radiator - MTC - Audi Volkswagen

Larger of the two fans found behind the radiator

Brand:
MTC - Corporate Logo
ES#:
2702624
Mfg#:
1K0959455FJ
Ships in 10 Business Days
$100.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

Connects the upper radiator port to the water pump housing For TSI engine models with manual transmissions only

Brand:
Gates - Corporate Logo
ES#:
3235545
Mfg#:
1K0122101HB
Ships on Nov 12, 2026
$82.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostats

Brand:
Gates - Corporate Logo
ES#:
3235618
Mfg#:
22121113
Ships on Nov 12, 2026
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

Connects the upper radiator port to the water pump housing and transmission cooler Engine code CCTA

Brand:
Gates - Corporate Logo
ES#:
3235546
Mfg#:
1K0122101HK
Ships on Nov 12, 2026
$108.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

Keep your cooling system efficient

Brand:
Gates - Corporate Logo
ES#:
3234830
Mfg#:
06H121113B
Ships on Nov 12, 2026
$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

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