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Audi Engine Cooling Parts

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Secondary Radiator

ES#2609659 - 5Q0121253H - Secondary Radiator - Assists in cooling the engine. 280x207x94mm - Genuine Volkswagen Audi - Audi Volkswagen

Assists in cooling the engine. 280x207x94mm Up to production date 07/06/2015

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2609659
Mfg#:
5Q0121253H
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.

$295.99

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

$274.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Reroute Kit

ES#4623939 - UH013-ACA - Coolant Hose Reroute Kit - Get this silicone hose out of the way to enjoy the looks of your Unitronic Carbon Fiber components. - Unitronic - Audi Volkswagen

Get this silicone hose out of the way to enjoy the looks of your Unitronic Carbon Fiber components.

Brand:
Unitronic - Corporate Logo
ES#:
4623939
Mfg#:
UH013-ACA
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Hose

ES#10337 - 1K0122063G - Coolant Supply Hose - Connects the auxiliary water pump to the t-piece connector - Genuine Volkswagen Audi - Audi Volkswagen

Connects the auxiliary water pump to the t-piece connector For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10337
Mfg#:
1K0122063G
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.

$58.99

This product was last offered at the strikethrough price on
09-11-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#275814 - 03H121133 - Cylinder Head Cooling Flange - Located on the side of the engine attached to the thermostat housing - Genuine Volkswagen Audi - Audi Volkswagen

Located on the side of the engine attached to the thermostat housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275814
Mfg#:
03H121133
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.

$58.99

This product was last offered at the strikethrough price on
09-11-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#2564008 - 4G0122109F - Expansion Tank Hose - This hose connects from the expansion tank to the water tube - Genuine Volkswagen Audi - Audi

This hose connects from the expansion tank to the water tube

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2564008
Mfg#:
4G0122109F
Ships in 1-2 days
10% off MSRP

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

$60.99

This product was last offered at the strikethrough price on
09-11-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Power Steering/Water Pump

ES#546 - 11X528 - Accessory Belt - Power Steering/Water Pump - Replace your cracked or worn belt - Continental - Audi Volkswagen

Replace your cracked or worn belt We Price Match - Give Us A Call or Chat!
Engine codes AEB & ATW

Brand:
Continental - Corporate Logo
ES#:
546
Mfg#:
11X528
Back Ordered
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 3 With ECS Billet Aluminum J-Plug

ES#2795706 - 06B121132EKT4 - Cooling System Refresh Kit - Level 3 With ECS Billet Aluminum J-Plug - Includes ECS' upgraded J-plug, replace critical cooling system components & perform a proper coolant system flush - Assembled By ECS - Audi

Includes ECS' upgraded J-plug, replace critical cooling system components & perform a proper coolant system flush 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2795706
Mfg#:
06B121132EKT4
In Stock at Vendor
ON SALE! SAVE 17%
$330.99

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

$274.71 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Hose - Upper

ES#436158 - 8E0121101R - Radiator Hose - Upper - Connects the upper radiator port to the expansion tank and hard water pipe - Genuine Volkswagen Audi - Audi

Connects the upper radiator port to the expansion tank and hard water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436158
Mfg#:
8E0121101R
Ships in 1 Business Day
9% off MSRP

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

$99.99

This product was last offered at the strikethrough price on
09-11-2026

$91.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump / Thermostat Kit

ES#5386445 - 06E121018BKT1 - Water Pump / Thermostat Kit - Includes everything you need to replace your water pump and thermostat. - Assembled By ECS - Audi

Includes everything you need to replace your water pump and thermostat. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5386445
Mfg#:
06E121018BKT1
Ships in 2 Business Days
ON SALE!
$287.99

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

$273.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Radiator

ES#4066918 - 8K0121251H - Radiator - Fix leaks and keep your cooling system efficient - Denso - Audi

Fix leaks and keep your cooling system efficient Fits models with 6-Speed manual transmission only

Brand:
Denso - Corporate Logo
ES#:
4066918
Mfg#:
8K0121251H
Ships in 7 Business Days
$280.99

This product was last offered at the strikethrough price on
05-07-2026

$272.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3470821 - 022121011B - Water Pump - Brand new unit - Genuine Volkswagen Audi - Audi Volkswagen

Brand new unit

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3470821
Mfg#:
022121011B
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.

$293.99

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

$272.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2586930 - 8E0121403KT1 - Expansion Tank Replacement Kit - Everything you need to replace your faded, cracked, or leaky expansion tank! - Assembled By ECS - Audi

Everything you need to replace your faded, cracked, or leaky expansion tank! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586930
Mfg#:
8E0121403KT1
In Stock
ON SALE!
$47.99

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

$45.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Screw - Priced Each

ES#470820 - N90808203 - Torx Screw - Priced Each - Hex head bolt used in various areas on your European vehicle. 6x18.5 - Genuine Volkswagen Audi - Audi

Hex head bolt used in various areas on your European vehicle. 6x18.5 For vehicles with FSI engines - Secures hard coolant return pipe to thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470820
Mfg#:
N90808203
In Stock
25% off MSRP

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

$3.99

This product was last offered at the strikethrough price on
09-11-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#4859624 - 06E121018K - Water Pump - Keep your coolant flowing to prevent overheating - Vaico - Audi Volkswagen

Keep your coolant flowing to prevent overheating We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4859624
Mfg#:
06E121018K
Ships in 1 Business Day
$279.99

This product was last offered at the strikethrough price on
05-07-2026

$271.99 USD
Free Shipping
on orders $49 and up
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 Into Our F80 M3 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

Radiator Hose - Lower

ES#315384 - 1K0122051GN - Radiator Hose - Lower - Connects the lower radiator port to the water pump housing - Genuine Volkswagen Audi - Audi Volkswagen

Connects the lower radiator port to the water pump housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315384
Mfg#:
1K0122051GN
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.

$291.99

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

$270.99 USD
Free Shipping
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.

Other Audi Engine Cooling Parts

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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