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Audi A3 Engine Cooling Parts

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Radiator

ES#3545343 - 3459 - Radiator - Keep your engine running cool with a new radiator - CSF - Audi Volkswagen

Keep your engine running cool with a new radiator 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
3545343
Mfg#:
3459
In Stock
$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Kit

ES#3499515 - 06H121026DDKT3 - Water Pump Kit - Includes a new Pierburg water pump, belt, thermostat/housing, union piece & hardware - Assembled By ECS - Audi Volkswagen

Includes a new Pierburg water pump, belt, thermostat/housing, union piece & hardware 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3499515
Mfg#:
06H121026DDKT3
In Stock
$495.99

This product was last offered at the strikethrough price on
05-20-2026

$374.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#315603 - 1K0198251CS - Radiator - Keep your engine running cool with a new radiator - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running cool with a new radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315603
Mfg#:
1K0198251CS
Ships in 1-2 days
7% off MSRP

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

$794.99

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

$737.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump - with metal impeller

ES#2784355 - 03L121011G - Water Pump - with metal impeller - Keep your coolant flowing to prevent overheating - Hepu - Audi Volkswagen

Keep your coolant flowing to prevent overheating

Brand:
Hepu - Corporate Logo
ES#:
2784355
Mfg#:
03L121011G
In Stock
$98.99

This product was last offered at the strikethrough price on
09-25-2026

$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pump Union - With Seals

ES#4028087 - 06H121131C - Aluminum Water Pump Union - With Seals - Featuring HD aluminum construction, offering a more robust design - Connection point between the oil cooler and the water pump assembly, includes o-rings - URO Premium - Audi Volkswagen

Featuring HD aluminum construction, offering a more robust design - Connection point between the oil cooler and the water pump assembly, includes o-rings 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
4028087
Mfg#:
06H121131C
In Stock
$9.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat/Water Pump Kit

ES#5481085 - 06l121111jKT - Thermostat/Water Pump Kit - Everything you need to replace your thermostat/water pump - Ina - Audi Volkswagen Porsche

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

$381.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Temperature Sensor - 2 Pin

ES#3561442 - 079919523J - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561442
Mfg#:
079919523J
In Stock
5% off MSRP

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

$53.32

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

$50.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose

ES#2737457 - 5Q0122051AN - Lower Radiator Hose - Complete assembly with quick-coupling piece - Genuine Volkswagen Audi - Audi Volkswagen

Complete assembly with quick-coupling piece

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737457
Mfg#:
5Q0122051AN
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.

$234.99

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

$218.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#2652188 - 30102049 - Universal 16" Electric Fan - Black - 2024 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

2024 CFM. High performance puller fan with curved blades.

Brand:
Spal - Corporate Logo
ES#:
2652188
Mfg#:
30102049
Ships on Nov 10, 2026
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#2737569 - 5Q0965561B - Auxiliary Water Pump - Secondary pump for more efficient cooling - Genuine Volkswagen Audi - Audi Volkswagen

Secondary pump for more efficient cooling

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737569
Mfg#:
5Q0965561B
Ships in 1-2 days
7% off MSRP

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

$342.99

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

$318.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flush Kit

ES#3420790 - g013a8jm1kt5 - Coolant Flush Kit - Includes Schwaben coolant refill/air purge tool and 4.5 liters of G13 coolant. - Assembled By ECS - Audi Volkswagen

Includes Schwaben coolant refill/air purge tool and 4.5 liters of G13 coolant. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3420790
Mfg#:
G013A8JM1KT5
In Stock
ON SALE!
$161.99

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

$149.57 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Zerex Coolant / Antifreeze - Pink G40 (Concentrate) 1 Gallon

ES#4884761 - 0009897110090109 - Zerex Coolant / Antifreeze - Pink G40 (Concentrate) 1 Gallon - MBZ Approval: 325.5 / 325.6 - Genuine Mercedes Benz - Audi Volkswagen Mercedes Benz Porsche

MBZ Approval: 325.5 / 325.6

Brand:
Genuine Mercedes Benz - Corporate Logo
ES#:
4884761
Mfg#:
0009897110090109
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.

$32.04

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

$31.50 USD
Free Shipping
on orders $49 and up

Radiator Hose - Upper

ES#4818602 - 1K0122101LA - Radiator Hose - Upper - Connects the upper radiator port to the water pump housing and transmission cooler - Bremmen Parts - Audi Volkswagen

Connects the upper radiator port to the water pump housing and transmission cooler 10X Entries Into Our F80 M3 Sweepstakes

For TSI engine models with a CBFA engine code and automatic transmission only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818602
Mfg#:
1K0122101LA
In Stock
ON SALE! SAVE 25%
$99.99

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

$75.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#2926052 - 5Q0122101EA - Radiator Hose - Upper - Connects upper radiator to the coupling piece, includes quick disconnect - Genuine Volkswagen Audi - Audi Volkswagen

Connects upper radiator to the coupling piece, includes quick disconnect

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2926052
Mfg#:
5Q0122101EA
In Stock
15% off MSRP

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

$173.32

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

$147.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fan Assembly - 360mm/295mm

ES#3189422 - 620-805 - Fan Assembly - 360mm/295mm - The two cooling fans and fan shroud found behind the radiator - Dorman - Audi Volkswagen

The two cooling fans and fan shroud found behind the radiator

Brand:
Dorman - Corporate Logo
ES#:
3189422
Mfg#:
620-805
In Stock
$328.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#4046596 - 05C919501 - Coolant Temperature Sensor - Monitors coolant temperature for fan control & gauge readings - Genuine Volkswagen Audi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4046596
Mfg#:
05C919501
In Stock
3% off MSRP

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

$35.99

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

$34.99 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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