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Volkswagen MK4 Engine Cooling Parts

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Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
Ships on Oct 20, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#2813093 - 075121113D - Thermostat - 80C - Includes sealing O-Ring - Hamburg Tech - Audi Volkswagen

Includes sealing O-Ring We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813093
Mfg#:
075121113D
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 4 Pin

ES#2813144 - 078919501B - Coolant Temperature Sensor - 4 Pin - Blue sensor with square connector. Please check existing sensor color - Hamburg Tech - Audi Volkswagen

<font color='blue'>Blue</font> sensor with square connector. Please check existing sensor color We Price Match - Give Us A Call or Chat!
Fits Brazilian production cars, check color before ordering.

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813144
Mfg#:
078919501B
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#2801213 - N10139201 - O-Ring - Priced Each - O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 - Meistersatz - Audi Volkswagen

O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55

Brand:
Meistersatz - Corporate Logo
ES#:
2801213
Mfg#:
N10139201
In Stock at Vendor
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#4034832 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Elring - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4034832
Mfg#:
038121119B
In Stock at Vendor
$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

Water Distribution Pipe

ES#2597925 - 1J0121087A - Water Distribution Pipe - Plastic 3-way oulet at lower radiator hose - URO - Audi Volkswagen

Plastic 3-way oulet at lower radiator hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits ALH with Automatic transmission models only.

Brand:
URO - Corporate Logo
ES#:
2597925
Mfg#:
1J0121087A
Ships in 1 Business Day
$2.99 USD
Free Shipping
on orders $49 and up

Sealing O-Ring - Priced Each

ES#2469 - 037121687 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Victor Reinz - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15

Brand:
Victor Reinz - Corporate Logo
ES#:
2469
Mfg#:
037121687
In Stock at Vendor
$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

Coolant Flange

ES#2865803 - 038121132C - Coolant Flange - Febi - Volkswagen

2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Not for cars with coolant glow plug heater.

Brand:
Febi - Corporate Logo
ES#:
2865803
Mfg#:
038121132C
In Stock at Vendor
$16.58

This product was last offered at the strikethrough price on
05-29-2026

$14.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange - 5 Outlet

ES#2865747 - 037121144J - Coolant Flange - 5 Outlet - Febi - Volkswagen

2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Includes Seal Ring

Brand:
Febi - Corporate Logo
ES#:
2865747
Mfg#:
037121144J
In Stock at Vendor
$16.36

This product was last offered at the strikethrough price on
05-09-2026

$14.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#3190030 - 902-702 - Coolant Flange - Located on the side of the cylinder head - Dorman - Audi Volkswagen

Located on the side of the cylinder head For vehicles with automatic transmissions

Brand:
Dorman - Corporate Logo
ES#:
3190030
Mfg#:
902-702
Ships in 4 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2865914 - 044121144B - Coolant Flange - Attaches to flange on the cylinder head - Febi - Volkswagen

Attaches to flange on the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with BEW engine code and automatic transmission only

Brand:
Febi - Corporate Logo
ES#:
2865914
Mfg#:
044121144B
Ships on Oct 27, 2026
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump Hose - Side

ES#2627441 - 1J0122063A - Auxiliary Water Pump Hose - Side - Coolant hose coming off the side of your auxiliary water pump - Meyle - Volkswagen

Coolant hose coming off the side of your auxiliary water pump 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with 5-speed automatic transmission only

Brand:
Meyle - Corporate Logo
ES#:
2627441
Mfg#:
1J0122063A
Back Ordered
Auto Notify
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#2814307 - 1J0122109AQ - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Hamburg Tech - Audi Volkswagen

Replace at the first signs of leakage We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814307
Mfg#:
1J0122109AQ
Ships in 1 Business Day
$12.99 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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970169
Mfg#:
5Q0121321
Ships on Dec 9, 2026
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Lower

ES#2681829 - 1J0122109AC - Coolant Hose - Lower - From hard water pipe to lower expansion tank port - Mackay - Volkswagen

From hard water pipe to lower expansion tank port

Brand:
Mackay - Corporate Logo
ES#:
2681829
Mfg#:
1J0122109AC
Back Ordered
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#3970027 - 050121113C - Thermostat (87C) - Prevent overheating and premature engine wear - Meyle - Audi Volkswagen

Prevent overheating and premature engine wear 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970027
Mfg#:
050121113C
Ships on Nov 20, 2026
Auto Notify
$12.29 USD
Free Shipping
on orders $49 and up

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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