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Audi B6 A4 Quattro 1.8T

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Audi B6 A4 Quattro 1.8T Engine Cooling Parts

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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 3 Business Days
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug Kit - Priced Each

ES#2535191 - 357121140 - Coolant Flange Plug Kit - Priced Each - Includes the plug, o-ring and securing clip - URO - Audi Volkswagen

Includes the plug, o-ring and securing clip 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535191
Mfg#:
357121140
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electric Cooling Fan - Left (400mm)

ES#3438640 - 8E0959455k - Electric Cooling Fan - Left (400mm) - Keep your cooling system operating properly - Hamburg Tech - Audi

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
3438640
Mfg#:
8E0959455K
In Stock
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Universal Curved Blade Electrical Fan - 12"

ES#4265262 - MMFAN-12C - Mishimoto Universal Curved Blade Electrical Fan - 12" - 1150 CFM. High performance push or pull fan with curved blades. - Mishimoto - Audi Volkswagen MINI Porsche

1150 CFM. High performance push or pull fan with curved blades.

Brand:
Mishimoto - Corporate Logo
ES#:
4265262
Mfg#:
MMFAN-12C
Ships in 3 Business Days
$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 10 Row

ES#2764105 - MM0C10 - Universal Oil Cooler - 10 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764105
Mfg#:
MM0C10
In Stock
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#4818673 - 8E1819371B - Heater Core Hose - Supply - Connects the flange to the heater core pipe - Bremmen Parts - Audi

Connects the flange to the heater core pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818673
Mfg#:
8E1819371B
Ships on Sep 9, 2026
Auto Notify
ON SALE! SAVE 22%
$22.99

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

$17.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2894879 - 06E121111G - Thermostat - Includes housing and gasket. - Vemo - Audi

Includes housing and gasket.

Brand:
Vemo - Corporate Logo
ES#:
2894879
Mfg#:
06E121111G
In Stock at Vendor
$120.99

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

$117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electric Fan Assembly - Right (300mm)

ES#2598442 - 8E0959455N - Electric Fan Assembly - Right (300mm) - Keep your cooling system operating properly - Febi - Audi

Keep your cooling system operating properly 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2598442
Mfg#:
8E0959455N
In Stock at Vendor
$131.59

This product was last offered at the strikethrough price on
05-29-2026

$117.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Return

ES#2909 - 058121471B - Turbo Coolant Hose - Return - Connects the turbocharger to the hard water pipe - Continental - Audi Volkswagen

Connects the turbocharger to the hard water pipe We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2909
Mfg#:
058121471B
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#4004591 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Rein - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4004591
Mfg#:
5Q0121321
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Screw - Priced Each

ES#471868 - N91090701 - Screw - Priced Each - Install new hardware with your new parts. 5x20 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. 5x20 Used to secure the coolant expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471868
Mfg#:
N91090701
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
08-22-2026

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

Radiator Installation Kit With Hoses

ES#2587710 - 8E0121049NKT1 - Radiator Installation Kit With Hoses - Everything you need to install a new radiator in your Audi - Assembled By ECS - Audi

Everything you need to install a new radiator in your Audi 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2587710
Mfg#:
8E0121049NKT1
Back Ordered
ON SALE! SAVE 11%
$372.99

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

$332.13 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Engine Oil Cooler

ES#2826376 - 028117021L - Engine Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - Nissens - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2826376
Mfg#:
028117021L
In Stock at Vendor
$65.99

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

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#2535131 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - URO - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535131
Mfg#:
N90316802
In Stock
$1.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Retaining Clip - Priced Each

ES#307207 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose to the flange. 32mm - Genuine Volkswagen Audi - Audi Volkswagen

Secures the radiator hose to the flange. 32mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307207
Mfg#:
1J0121142
In Stock
21% off MSRP

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

$6.47

This product was last offered at the strikethrough price on
08-22-2026

$5.08 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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