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Audi A3 FWD TDI

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Audi A3 FWD TDI Engine Cooling Parts

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Titan 4-Piece Air Blow Gun Set

ES#4352819 - TIT19391 - Titan 4-Piece Air Blow Gun Set - Seals and blows out clogged lines/pipes - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Seals and blows out clogged lines/pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Titan - Corporate Logo
ES#:
4352819
Mfg#:
TIT19391
Ships in 6 Business Days
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Coupler - Lower

ES#315449 - 1K0122291BM - Radiator Coupler - Lower - Coupler that connects the lower radiator hose to the radiator - Genuine Volkswagen Audi - Audi Volkswagen

Coupler that connects the lower radiator hose to the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315449
Mfg#:
1K0122291BM
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.

$35.99

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

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EGR return Hose

ES#1848169 - 1K0121157EP - EGR return Hose - Connects the EGR cooler upper radiator hose - Genuine Volkswagen Audi - Audi Volkswagen

Connects the EGR cooler upper radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1848169
Mfg#:
1K0121157EP
Ships in 2 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.

$62.99

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

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

Heater Core

ES#2897307 - 1K0819031D - Heater Core - Transforms hot coolant into warmth for your cabin - Vemo - Audi Volkswagen

Transforms hot coolant into warmth for your cabin affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2897307
Mfg#:
1K0819031D
Special Order: No Guaranteed ETA
$56.99 USD
Free Shipping
on orders $49 and up

Thermostat O-Ring

ES#514001 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Victor Reinz - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
514001
Mfg#:
038121119B
In Stock at Vendor
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater core supple Hose

ES#315399 - 1K0122073GE - Heater core supple Hose - Connects the heater core to the hard coolant pipe - Genuine Volkswagen Audi - Audi

Connects the heater core to the hard coolant pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315399
Mfg#:
1K0122073GE
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.

$59.99

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

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#4842850 - 1K0122101JS - Radiator Hose - Upper - Includes quick disconnect piece - Feed Hose - Vaico - Audi Volkswagen

Includes quick disconnect piece - Feed Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4842850
Mfg#:
1K0122101JS
Special Order: No Guaranteed ETA
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Screw - Priced Each

ES#467231 - N10003203 - Screw - Priced Each - Install new hardware with your new parts. 4.8x19 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 4.8x19 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the coolant expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467231
Mfg#:
N10003203
Ships in 2 Business Days
25% off MSRP

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

$2.78

This product was last offered at the strikethrough price on
05-15-2026

$2.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Wrench

ES#2210254 - VAG1590 - Water Pump Wrench - Used for removing 2-piece pulley on V-belt systems - Genuine Volkswagen Audi - Audi Volkswagen

Used for removing 2-piece pulley on V-belt systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2210254
Mfg#:
VAG1590
In Stock
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4352634 - 03L121111AC - Thermostat - This also includes the thermostat housing - Rein - Audi Volkswagen

This also includes the thermostat housing 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#:
4352634
Mfg#:
03L121111AC
Ships in 3 Business Days
$49.99

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

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Upper

ES#315467 - 1K0122447GR - Expansion Tank Hose - Upper - Connects the expansion tank to the upper radiator hose - Genuine Volkswagen Audi - Audi Volkswagen

Connects the expansion tank to the upper radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315467
Mfg#:
1K0122447GR
Ships in 2 Business Days
10% off MSRP

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

$50.99

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

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3139113 - 1K0121407A - Coolant Expansion Tank - See your coolant levels clearly again, comes with coolant level sensor - Hudson - Audi Volkswagen

See your coolant levels clearly again, comes with coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
3139113
Mfg#:
1K0121407A
Ships in 1-2 days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2812946 - 03L121011G - Water Pump - Keep your coolant flowing to prevent overheating - Hamburg Tech - Audi Volkswagen

Keep your coolant flowing to prevent overheating affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812946
Mfg#:
03L121011G
Ships in 1 Business Day
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

Monitors coolant temperature for fan control & gauge readings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Four Seasons - Corporate Logo
ES#:
4057463
Mfg#:
06A919501A
In Stock at Vendor
$33.99

This product was last offered at the strikethrough price on
01-16-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#2834711 - 06B121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x3.5mm - Meistersatz - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x3.5mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
2834711
Mfg#:
06B121119B
In Stock at Vendor
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Pipe Gasket Set

ES#2823252 - 8E0898380 - Heater Core Pipe Gasket Set - Includes the necessary gaskets and clamps for your new heater core - Original Equipment Supplier - Audi Volkswagen

Includes the necessary gaskets and clamps for your new heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2823252
Mfg#:
8E0898380
Ships in 9 Business Days
$30.99

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

$29.99 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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