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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 Hose

ES#2803793 - 06D121082B - Coolant Hose - Connects the distribution pipe to the hard pipe leading to the turbo - Rein - Audi

Connects the distribution pipe to the hard pipe leading to the turbo 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803793
Mfg#:
06D121082B
In Stock at Vendor
ON SALE!
$7.71

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

$7.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#3353262 - N90365302 - Sealing O-Ring - Priced Each - Genuine Porsche - Audi Volkswagen

O-Ring for the faulty coolant "J-Plug" that is located next to the thermostat.

Brand:
Genuine Porsche - Corporate Logo
ES#:
3353262
Mfg#:
N90365302
Ships in 4 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose - Supply

ES#4818444 - 06D121057L - Cooling Hose - Supply - Connects the cooling supply pipes - Bremmen Parts - Audi

Connects the cooling supply pipes 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818444
Mfg#:
06D121057L
In Stock
ON SALE! SAVE 50%
$9.99

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

$5.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#2873160 - 028117021L - Engine Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - Febi - Audi Volkswagen

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

Brand:
Febi - Corporate Logo
ES#:
2873160
Mfg#:
028117021L
Ships in 1-2 days
$76.99

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

$54.99 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#2649750 - 059919501AKT3 - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Updated Green sensor with square/round connector. Please check existing sensor color - Vemo - Audi Volkswagen

Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color Located in the coolant flange

Brand:
Vemo - Corporate Logo
ES#:
2649750
Mfg#:
059919501AKT3
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

16" Fan shroud gasket

ES#4147340 - 30130074 - 16" Fan shroud gasket - Provides .25" stand off from radiator - Spal - Audi BMW MINI

Provides .25" stand off from radiator

Brand:
Spal - Corporate Logo
ES#:
4147340
Mfg#:
30130074
In Stock at Vendor
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#4880699 - 8E1819371B - Heater Core Hose - Supply - Connects the flange to the heater core pipe - URO - Audi

Connects the flange to the heater core pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4880699
Mfg#:
8E1819371B
Back Ordered
Auto Notify
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#2627307 - 8E1819373R - Heater Core Hose - Return - Connects the heater core to the hard coolant pipe - Rein - Audi

Connects the heater core to the hard coolant pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627307
Mfg#:
8E1819373R
Ships in 3 Business Days
$26.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug Kit - Priced Each

ES#11965 - 357121140 - Coolant Flange Plug Kit - Priced Each - Includes the plug, o-ring and securing clip - MTC - Audi Volkswagen

Includes the plug, o-ring and securing clip

Brand:
MTC - Corporate Logo
ES#:
11965
Mfg#:
357121140
In Stock
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Pipe Set

ES#442058 - 8E1898350 - Heater Core Pipe Set - Connects the heater core to the coolant hoses - Genuine Volkswagen Audi - Audi

Connects the heater core to the coolant hoses

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
442058
Mfg#:
8E1898350
Ships in 2 Business Days
12% off MSRP

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

$57.99

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

$50.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#280016 - 06B121101A - Coolant Hose - Connects the hard water pipe to the rear coolant flange - Genuine Volkswagen Audi - Audi

Connects the hard water pipe to the rear coolant flange

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280016
Mfg#:
06B121101A
Ships in 4 Business Days
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#3624900 - 059919501A - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - FAE - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head Located in the coolant flange

Brand:
FAE - Corporate Logo
ES#:
3624900
Mfg#:
059919501A
Ships on Sep 23, 2026
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose

ES#3463367 - 8E0121101 - Upper Radiator Hose - Connects the upper radiator to the expansion tank and thermostat housing - Hudson - Audi

Connects the upper radiator to the expansion tank and thermostat housing

Brand:
Hudson - Corporate Logo
ES#:
3463367
Mfg#:
8E0121101
Ships in 1-2 days
$50.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2091199 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - Genuine Volkswagen Audi - Audi

Plastic pressure cap for expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2091199
Mfg#:
8E0121321
Ships in 1-2 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.

$55.99

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#4940095 - 032121142 - Sensor Retaining Clip - Priced Each - Used for ECS 2.0T boost taps - Bremmen Parts - Audi Volkswagen

Used for ECS 2.0T boost taps 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940095
Mfg#:
032121142
In Stock
ON SALE! SAVE 59%
$1.99

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

$0.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal 185 Degree Thermo-Switch

Replacement thermo-switch for Spal electric fan conversion kits.

Brand:
Spal - Corporate Logo
ES#:
4753440
Mfg#:
SPL185TS
Back Ordered
Auto Notify
$44.99 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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