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Audi A4 Engine Cooling Parts

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Electric Cooling Fan - Left (400mm)

ES#3438644 - 8E0959455K - Electric Cooling Fan - Left (400mm) - Keep your cooling system operating properly - Valeo - Audi

Keep your cooling system operating properly We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
3438644
Mfg#:
8E0959455K
In Stock at Vendor
$427.99

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

$424.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Installation Kit with hoses

ES#2587707 - 8E0121049NKT - Radiator Installation Kit with hoses - Everything you need to install a new radiator in your Audi - Genuine Volkswagen Audi - Audi

Everything you need to install a new radiator in your Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2587707
Mfg#:
8E0121049NKT
Ships in 3 Business Days
$467.99

This product was last offered at the strikethrough price on
02-26-2026

$423.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#2765514 - 06D121111GKT4 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Genuine Volkswagen Audi - Audi

Replace your thermostat and temp sensors with one kit!

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2765514
Mfg#:
06D121111GKT4
In Stock
$211.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cylinder Head Coolant Pipe

ES#280255 - 06C121085H - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Genuine Volkswagen Audi - Audi

Coolant supply pipe for the cylinder heads

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280255
Mfg#:
06C121085H
Ships in 2 Business Days
9% off MSRP

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

$230.99

This product was last offered at the strikethrough price on
07-26-2026

$210.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#2627313 - 06B121101A - Coolant Hose - Connects the hard water pipe to the rear coolant flange - Rein - Audi

Connects the hard water pipe to the rear coolant flange 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627313
Mfg#:
06B121101A
Ships in 1 Business Day
ON SALE!
$32.99

This product was last offered at the strikethrough price on
06-19-2026

$30.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#271003 - 028117021L - Engine Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - Genuine Volkswagen Audi - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
271003
Mfg#:
028117021L
Ships in 2 Business 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.

$449.99

This product was last offered at the strikethrough price on
07-26-2026

$419.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#261042 - 1J0121321B - Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261042
Mfg#:
1J0121321B
Ships in 2 Business Days
30% off MSRP

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

$39.59

This product was last offered at the strikethrough price on
06-19-2026

$27.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2535175 - 8D0121403L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - URO - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits vehicles from VIN# 8D-W-007 800, Split is in model year 1998

Brand:
URO - Corporate Logo
ES#:
2535175
Mfg#:
8D0121403L
In Stock
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Bypass Hose

ES#5341426 - 06L121081K - Coolant Bypass Hose - connects to coolant hose connector that mounts in the cylinder head - Rein - Audi

connects to coolant hose connector that mounts in the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341426
Mfg#:
06L121081K
Back Ordered
Auto Notify
$45.99 USD
Free Shipping
on orders $49 and up

Radiator

ES#1848492 - 8E0121251AQ - Radiator - Keep your cooling system operating properly - Nissens - Audi

Keep your cooling system operating properly We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
1848492
Mfg#:
8E0121251AQ
Ships in 1 day
$202.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#280419 - 06D117021C - Engine Oil Cooler - Lowers engine oil temperature - Genuine Volkswagen Audi - Audi Volkswagen

Lowers engine oil temperature

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280419
Mfg#:
06D117021C
Ships in 1 day
7% off MSRP

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

$433.99

This product was last offered at the strikethrough price on
02-26-2026

$403.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#278413 - 068117021B - Oil Cooler - Common source of undiscoverable coolant leaks - Genuine Volkswagen Audi - Audi Volkswagen

Common source of undiscoverable coolant leaks Up to VIN 8D-X-300000, split is in the 1999 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
278413
Mfg#:
068117021B
Ships in 4 Business 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.

$433.99

This product was last offered at the strikethrough price on
02-26-2026

$403.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Radiator

ES#2730758 - 8D0121251P - Coolant Radiator - Fix leaks and keep your cooling system efficient - Valeo - Audi Volkswagen

Fix leaks and keep your cooling system efficient We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
2730758
Mfg#:
8D0121251P
Back Ordered
$399.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Return

ES#280787 - YC0CA - Oil Cooler Hose - Return - Connects the oil cooler to the hard water tube - Genuine Volkswagen Audi - Audi

Connects the oil cooler to the hard water tube

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280787
Mfg#:
06E121082C
Ships in 1 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.

$21.99

This product was last offered at the strikethrough price on
07-26-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#2718699 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - Febi - Audi Volkswagen

Common source of undiscoverable coolant leaks 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2718699
Mfg#:
028117021E
In Stock
ON SALE!
$69.99

This product was last offered at the strikethrough price on
06-25-2026

$66.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#4836243 - 8W0121251AK - Radiator - Ensure proper cooling for your engine with a new radiator. - TYC - Audi

Ensure proper cooling for your engine with a new radiator.

Brand:
TYC - Corporate Logo
ES#:
4836243
Mfg#:
8W0121251AK
In Stock at Vendor
$201.99

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

$195.99 USD
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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