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Audi A3 Engine Cooling Parts

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Coolant Temperature Sensor - 2 Pin

ES#3625024 - 079919523B - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - FAE - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
FAE - Corporate Logo
ES#:
3625024
Mfg#:
079919523B
Ships on Nov 17, 2026
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RADIATOR MOUNT

ES#4151258 - 1K0121367M - RADIATOR MOUNT - Rein - Audi Volkswagen

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151258
Mfg#:
1K0121367M
Back Ordered
$16.99

This product was last offered at the strikethrough price on
10-22-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Union - With Seals

ES#4899502 - 06H121131C - Water Pump Union - With Seals - Connection point between the oil cooler and the water pump assembly - Includes o-rings - Rein - Audi Volkswagen

Connection point between the oil cooler and the water pump assembly - Includes o-rings 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with TSI engines only

Brand:
Rein - Corporate Logo
ES#:
4899502
Mfg#:
06H121131C
In Stock
Limited Qty Sale
$4.99

This product was last offered at the strikethrough price on
10-05-2026

$3.99 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

Brand:
Four Seasons - Corporate Logo
ES#:
4057463
Mfg#:
06A919501A
Ships in 1 Business Day
$32.99

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

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

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

Thermostat

ES#4057375 - 04L121113D - Thermostat - Keep your cooling system efficient - Vemo - Audi Volkswagen

Keep your cooling system efficient

Brand:
Vemo - Corporate Logo
ES#:
4057375
Mfg#:
04L121113D
Special Order: No Guaranteed ETA
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#5456694 - 022121117C - Thermostat Housing - Common point of failure or leaking for the cooling system - Bremmen Parts - Audi Volkswagen

Common point of failure or leaking for the cooling system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5456694
Mfg#:
022121117C
In Stock
ON SALE! SAVE 20%
$34.99

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

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Quick Disconnect Coupler

ES#3189485 - 627-002 - Quick Disconnect Coupler - Push tab connector used in various places on the cooling system - Dorman - Audi Volkswagen

Push tab connector used in various places on the cooling system

Brand:
Dorman - Corporate Logo
ES#:
3189485
Mfg#:
627-002
Ships in 4 Business Days
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Distribution Pipe

ES#3190108 - 902-996 - Coolant Distribution Pipe - Three way connector that attaches directly to the upper radiator hose - Dorman - Audi Volkswagen

Three way connector that attaches directly to the upper radiator hose

Brand:
Dorman - Corporate Logo
ES#:
3190108
Mfg#:
902-996
Ships in 4 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2800919 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Meistersatz - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings

Brand:
Meistersatz - Corporate Logo
ES#:
2800919
Mfg#:
06A919501A
Ships in 3 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sandwich Plate Fitting - priced each

ES#2764124 - MMSPF10ANBK - Sandwich Plate Fitting - priced each - M20 X 1.5 /10AN - Mishimoto - Audi BMW Volkswagen MINI

M20 X 1.5 /10AN

Brand:
Mishimoto - Corporate Logo
ES#:
2764124
Mfg#:
MMSPF10ANBK
In Stock at Vendor
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WATER HOSE

ES#4151257 - 1K0121109AK - WATER HOSE - Rein - Audi Volkswagen

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151257
Mfg#:
1K0121109AK
Ships in 3 Business Days
$19.99

This product was last offered at the strikethrough price on
10-22-2026

$13.99 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

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

Water Pump O-Ring

ES#2538531 - 06A121119 - Water Pump O-Ring - Ensure a proper seal when installing a new water pump. 53x4mm - Rein - Audi Volkswagen

Ensure a proper seal when installing a new water pump. 53x4mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines only

Brand:
Rein - Corporate Logo
ES#:
2538531
Mfg#:
06A121119
In Stock at Vendor
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#3430607 - 06H121113B - Thermostat - Keep your cooling system efficient - Vernet - Audi Volkswagen

Keep your cooling system efficient For vehicles with CCTA engine code only

Brand:
Vernet - Corporate Logo
ES#:
3430607
Mfg#:
06H121113B
Back Ordered
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#3970169 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Meyle - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970169
Mfg#:
5Q0121321
Ships on Nov 16, 2026
$12.99 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.

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