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Audi A4 Engine Cooling Parts

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Turbo Cooling Hose - Return Line

ES#280431 - 06D121492J - Turbo Cooling Hose - Return Line - Connects the turbocharger to the hard water pipe - Genuine Volkswagen Audi - Audi

Connects the turbocharger to the hard water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280431
Mfg#:
06D121492J
Ships in 3 Business Days
13% off MSRP

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

$171.99

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

$148.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fan mounting pin - priced each

ES#4147336 - 30130013 - Fan mounting pin - priced each - Wire pin used to mount electric fan directly to radiator. - Spal - Audi BMW MINI

Wire pin used to mount electric fan directly to radiator.

Brand:
Spal - Corporate Logo
ES#:
4147336
Mfg#:
30130013
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#280791 - 06E121111G - Thermostat - Includes housing and gasket. - Genuine Volkswagen Audi - Audi

Includes housing and gasket.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280791
Mfg#:
06E121111G
Ships in 3 Business Days
14% off MSRP

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

$168.99

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

$145.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FSI Oil Cooler Adapter Plate Kit - Clear Anodized

ES#3470649 - 462-635-0008 - FSI Oil Cooler Adapter Plate Kit - Clear Anodized - Allows for clean installation of an external oil cooler - iABED Industries - Audi Volkswagen

Allows for clean installation of an external oil cooler

Brand:
iABED Industries - Corporate Logo
ES#:
3470649
Mfg#:
462-635-0008
Special Order: No Guaranteed ETA
$145.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#3438770 - 06D117021C - Engine Oil Cooler - Lowers engine oil temperature - Behr - Audi Volkswagen

Lowers engine oil temperature

Brand:
Behr - Corporate Logo
ES#:
3438770
Mfg#:
06D117021C
Ships in 1-2 days
$148.99

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

$144.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#280257 - 06C121111E - Thermostat Assembly - Housing included - Genuine Volkswagen Audi - Audi

Housing included

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280257
Mfg#:
06C121111E
Ships in 3 Business Days
13% off MSRP

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

$164.99

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

$143.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Support Bar - Left

ES#451183 - 8K0805527A - Radiator Support Bar - Left - Support bar that holds your radiator in place - Genuine Volkswagen Audi - Audi

Support bar that holds your radiator in place

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451183
Mfg#:
8K0805527A
Ships in 3 Business Days
14% off MSRP

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

$55.99

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

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Flange

ES#4615970 - 06D121132C - Coolant Hose Flange - Located rear engine, this flange houses the temp sensor - Febi - Audi

Located rear engine, this flange houses the temp sensor We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4615970
Mfg#:
06D121132C
Ships in 2 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2580983 - 8D0121403LKT1 - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Assembled By ECS - Audi Volkswagen

Install a brand new expansion tank with a new cap and hardware 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2580983
Mfg#:
8D0121403LKT1
Ships in 3 Business Days
ON SALE!
$47.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2580975 - 8D0121403LKT - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Genuine Volkswagen Audi - Audi Volkswagen

Install a brand new expansion tank with a new cap and hardware From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2580975
Mfg#:
8D0121403LKT
Ships in 3 Business Days
$174.99

This product was last offered at the strikethrough price on
09-03-2026

$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3235744 - 4B0121055J - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Gates - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank

Brand:
Gates - Corporate Logo
ES#:
3235744
Mfg#:
4B0121055J
Ships on Nov 20, 2026
$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Installation Kit

ES#4810472 - 4m0121095KT - Radiator Installation Kit - Install new hardware with your new radiator - Genuine Volkswagen Audi - Audi

Install new hardware with your new radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4810472
Mfg#:
4M0121095KT
Ships in 3 Business Days
$146.00

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

$141.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose

ES#450275 - 8K0121101M - Upper Radiator Hose - Keep your cooling system free from cracks - Genuine Volkswagen Audi - Audi

Keep your cooling system free from cracks

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450275
Mfg#:
8K0121101M
Ships in 3 Business Days
13% off MSRP

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

$161.99

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

$140.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Screw - Priced Each

ES#467688 - N10225402 - Screw - Priced Each - Collared screw used in various areas on your European vehicle. M8x20 - Genuine Volkswagen Audi - Audi Volkswagen

Collared screw used in various areas on your European vehicle. M8x20 Used to secure oil cooler to oil filter housing assembly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467688
Mfg#:
N10225402
Ships in 1-2 days
40% off MSRP

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

$4.99

This product was last offered at the strikethrough price on
11-01-2026

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

Cooling Pipe

ES#4325022 - 078121070CF - Cooling Pipe - With integrated power steering line - Vaico - Audi Volkswagen

With integrated power steering line We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4325022
Mfg#:
078121070CF
Ships in 1-2 days
$274.99

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

$139.99 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.

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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