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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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Oil Cooler O-Ring

ES#2718036 - 038117070A - Oil Cooler O-Ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Elring - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2718036
Mfg#:
038117070A
In Stock
$1.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2582072 - 8E0121403 - Coolant Expansion Tank - Plastic reservoir for cooling system - Vaico - Audi

Plastic reservoir for cooling system We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2582072
Mfg#:
8E0121403
In Stock at Vendor
$60.99

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

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Fitting

ES#257105 - 028115721 - Oil Filter Fitting - Fitting for oil filter adapter and oil cooler - Genuine Volkswagen Audi - Audi Volkswagen

Fitting for oil filter adapter and oil cooler

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257105
Mfg#:
028115721
Ships in 1 day
11% off MSRP

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

$53.99

This product was last offered at the strikethrough price on
07-20-2026

$47.99 USD
Free Shipping
on orders $49 and up

Electric Fan Assembly - Right (300mm)

ES#2816372 - 8E0959455N - Electric Fan Assembly - Right (300mm) - 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#:
2816372
Mfg#:
8E0959455N
In Stock
$95.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#4933050 - 8E1819373R - Heater Core Hose - Return - Connects the heater core to the hard coolant pipe - URO - Audi

Connects the heater core to the hard coolant pipe 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
4933050
Mfg#:
8E1819373R
In Stock
ON SALE!
$29.89

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

$28.40 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#2586303 - 06B121111K1KT - Cooling System Refresh Kit - Level 1 - Replace your thermostat, temp sensor and expansion tank with one kit! - Assembled By ECS - Audi

Replace your thermostat, temp sensor and expansion tank with one kit! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586303
Mfg#:
06B121111K1KT
Ships in 2 Business Days
ON SALE! SAVE 54%
$607.99

This product was last offered at the strikethrough price on
02-07-2026

$280.44 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Hex Bolt - Priced Each

ES#261821 - N0902619 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x20

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261821
Mfg#:
N0902619
In Stock
17% off MSRP

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

$3.38

This product was last offered at the strikethrough price on
07-20-2026

$2.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Line Install Kit (Supply)

ES#3176242 - 06A145541JKT - Turbo Coolant Line Install Kit (Supply) - Consists of banjo bolts and crush washers for a complete supply line install - Assembled By ECS - Audi

Consists of banjo bolts and crush washers for a complete supply line install 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3176242
Mfg#:
06A145541JKT
In Stock
ON SALE! SAVE 18%
$66.99

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

$55.12 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 For Our 25th Anniversary 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

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 For Our 25th Anniversary 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

Coolant Temperature Sensor With O-Ring & Clip - 4 Pin

ES#2802189 - 059919501AKT - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Updated Green sensor with square/round connector. Please check existing sensor color - Rein - Audi Volkswagen

Updated Green sensor with square/round connector. Please check existing sensor color 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Located in the coolant flange

Brand:
Rein - Corporate Logo
ES#:
2802189
Mfg#:
059919501AKT
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#258900 - 8E1820031 - Heater Core - Stop coolant loss and cure a fogged windshield - Genuine Volkswagen Audi - Audi

Stop coolant loss and cure a fogged windshield

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258900
Mfg#:
8E1820031
Ships in 2 Business Days
2% off MSRP

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

$275.00

This product was last offered at the strikethrough price on
07-20-2026

$269.30 USD
Free Shipping
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
07-20-2026

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

Cooling System Refresh Kit - Level 2 With ECS Billet Aluminum J-Plug

ES#2795704 - 06B121111KT3 - Cooling System Refresh Kit - Level 2 With ECS Billet Aluminum J-Plug - Includes ECS' upgraded J-plug & replace your thermostat, temp sensors, coolant flange, & expansion tank with one kit! - Assembled By ECS - Audi

Includes ECS' upgraded J-plug & replace your thermostat, temp sensors, coolant flange, & expansion tank with one kit! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2795704
Mfg#:
06B121111KT3
In Stock at Vendor
ON SALE! SAVE 17%
$317.99

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

$264.08 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Hose Clamp Pliers Set

ES#2949329 - SGT19780 - Hose Clamp Pliers Set - Ideal tool for less fluid loss while doing any automotive work - S&G Tool Aid - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Ideal tool for less fluid loss while doing any automotive work

Brand:
S&G Tool Aid - Corporate Logo
ES#:
2949329
Mfg#:
SGT19780
Ships in 6 Business Days
$62.99 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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