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Audi B6 A4 FWD 1.8T

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Audi B6 A4 FWD 1.8T Engine Cooling Parts

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Coolant Radiator

Keep your cooling system operating properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Behr - Corporate Logo
ES#:
4146568
Mfg#:
8E0121251A
Back Ordered
$278.99

This product was last offered at the strikethrough price on
04-04-2026

$200.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Tube

ES#277619 - 058121492A - Coolant Return Tube - Secured to the turbocharger using the integrated connector - Genuine Volkswagen Audi - Audi

Secured to the turbocharger using the integrated connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277619
Mfg#:
058121492A
Ships in 6 Business Days
6% off MSRP

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

$219.99

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

$205.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return

ES#280013 - 06B121065AB - Coolant Pipe - Return - Main return pipe that routes to the thermostat and the cylinder head flange - Genuine Volkswagen Audi - Audi

Main return pipe that routes to the thermostat and the cylinder head flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280013
Mfg#:
06B121065AB
Ships in 6 Business Days
8% off MSRP

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

$219.99

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

$201.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Hose

ES#4818440 - 06B121058BD - Coolant Return Hose - Connects the hard water pipe to the oil cooler - Bremmen Parts - Audi

Connects the hard water pipe to the oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818440
Mfg#:
06B121058BD
In Stock
ON SALE! SAVE 23%
$16.99

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

$13.05 USD
Free Shipping
on orders $49 and up

Heater Core

Stop coolant loss and cure a fogged windshield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
4140429
Mfg#:
8E1820031
In Stock at Vendor
$194.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#4013695 - N0138149 - Sealing Washer - Priced Each - Install new hardware with your new parts. M14x18 - Victor Reinz - Audi Volkswagen

Install new hardware with your new parts. M14x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4013695
Mfg#:
N0138149
In Stock
$3.99

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

$2.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
06-04-2026

$5.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#280010 - 06B121057A - Coolant Hose - Connects the thermostat housing the the hard water pipe - Genuine Volkswagen Audi - Audi

Connects the thermostat housing the the hard water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280010
Mfg#:
06B121057A
In Stock
11% off MSRP

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

$26.99

This product was last offered at the strikethrough price on
06-04-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2535177 - 8E0121403A - Coolant Expansion Tank - Replace your cracked or faded expansion tank. - URO - Audi

Replace your cracked or faded expansion tank. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535177
Mfg#:
8E0121403A
Ships in 1 Business Day
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp - Priced Each

ES#259720 - n90687101 - Spring Clamp - Priced Each - Install new hardware with your new parts. 32x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 32x12 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259720
Mfg#:
N90687101
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#3419389 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Rein - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419389
Mfg#:
N90316802
In Stock
$2.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing J-Plug - Billet Aluminum

ES#4818842 - 1.8TJplug - Thermostat Housing J-Plug - Billet Aluminum - Strange coolant leak? It's possible you just need to upgrade your J-plug! - 40T Performance - Audi

Strange coolant leak? It's possible you just need to upgrade your J-plug! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
40T Performance - Corporate Logo
ES#:
4818842
Mfg#:
1.8TJPLUG
Ships in 5 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3447639 - 8E0121251AQ - Radiator - Keep your cooling system operating properly - Behr - Audi

Keep your cooling system operating properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Behr - Corporate Logo
ES#:
3447639
Mfg#:
8E0121251AQ
Ships on Jun 22, 2026
$180.99 USD
This product is lifetime replacement eligible Lifetime Replacement

G13 Coolant - 1.5 Liter

ES#2808528 - G013A8JM1 - G13 Coolant - 1.5 Liter - Lilac OE specification lifetime coolant - ROWE - Audi Volkswagen

Lilac OE specification lifetime coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ROWE - Corporate Logo
ES#:
2808528
Mfg#:
G013A8JM1
Ships in 8 Business Days
$17.99 USD
Free Shipping
on orders $49 and up

Oil Cooler Replacement Kit - Stage 2

ES#2973079 - 028117021LKT6 - Oil Cooler Replacement Kit - Stage 2 - Includes the necessary components to replace your oil cooler and perform an engine oil service - Assembled By ECS - Audi

Includes the necessary components to replace your oil cooler and perform an engine oil service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2973079
Mfg#:
028117021LKT6
In Stock
ON SALE!
$194.99

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

$177.80 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Return Hose

ES#262891 - 06B121058BD - Coolant Return Hose - Connects the hard water pipe to the oil cooler - Rein - Audi

Connects the hard water pipe to the oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
262891
Mfg#:
06B121058BD
In Stock
$14.99 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.

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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