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Volkswagen Passat Engine Cooling Parts

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Oil Cooler O-Ring

ES#2777 - 038117070 - Oil Cooler O-Ring - O-Ring between cover & oil cooler. 62.8mm - Victor Reinz - Volkswagen

O-Ring between cover & oil cooler. 62.8mm

Brand:
Victor Reinz - Corporate Logo
ES#:
2777
Mfg#:
038117070
In Stock
$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - TSI

ES#2765422 - 1K0121251ABKT4 - Cooling System Refresh Kit - TSI - This comprehensive kit eliminates weak spots in your cooling system - Assembled By ECS - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2765422
Mfg#:
1K0121251ABKT4
Ships on Aug 21, 2026
Auto Notify
ON SALE!
$254.99

This product was last offered at the strikethrough price on
06-18-2026

$252.33 USD
Free Shipping
on orders $49 and up
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 7 Business Days
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#4039345 - 06J121132G - Cylinder Head Cooling Flange - Common area for coolant leaks - Located on cylinder head - Vaico - Audi Volkswagen

Common area for coolant leaks - Located on cylinder head We Price Match - Give Us A Call or Chat!
Fits vehicles with CCTA engine code only

Brand:
Vaico - Corporate Logo
ES#:
4039345
Mfg#:
06J121132G
In Stock at Vendor
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87°C

ES#276208 - 044121113 - Thermostat - 87C - Keep your car running at the proper temperature. Does not include o-ring - Genuine Volkswagen Audi - Audi Volkswagen

Keep your car running at the proper temperature. Does not include o-ring

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
276208
Mfg#:
044121113
In Stock
ON SALE!
$67.99

This product was last offered at the strikethrough price on
06-15-2026

$62.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#342958 - 3C0122073FE - Coolant Hose - Attaches to front port of oil cooler - Genuine Volkswagen Audi - Volkswagen

Attaches to front port of oil cooler Fits vehicles with CCTA engine code and DSG transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
342958
Mfg#:
3C0122073FE
Ships in 3 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.

$133.99

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

$124.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#2529063 - 3C0122101GJ - Radiator Hose - Upper - Connects the radiator to the thermostat housing - Genuine Volkswagen Audi - Volkswagen

Connects the radiator to the thermostat housing For vehilces with CCTA engine code and Tiptronic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2529063
Mfg#:
3C0122101GJ
In Stock at Vendor
36% off MSRP

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

$387.99

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

$248.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch - 4 Pin

ES#2535421 - 8D0959481B - Auxiliary Fan Switch - 4 Pin - Located on the lower radiator hose connection - URO - Audi Volkswagen

Located on the lower radiator hose connection 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535421
Mfg#:
8D0959481B
In Stock
$11.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Retaining Clip - Priced Each

ES#2538001 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose flange in place. 32mm - Febi - Audi Volkswagen

Secures the radiator hose flange in place. 32mm 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2538001
Mfg#:
1J0121142
In Stock
$2.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Tube

ES#285947 - 07K121065P - Coolant Supply Tube - Connects the upper reservior hose to the upper radiator hose - Genuine Volkswagen Audi - Volkswagen

Connects the upper reservior hose to the upper radiator hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285947
Mfg#:
07K121065P
Ships in 3 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.

$264.99

This product was last offered at the strikethrough price on
02-26-2026

$246.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#280019 - 06B121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x3.5mm - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x3.5mm For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280019
Mfg#:
06B121119B
In Stock
3% off MSRP

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

$5.76

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

$5.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#1877628 - 078121006X - Water Pump - Includes O-Ring, Price includes a $50.00 refundable core charge - Genuine Volkswagen Audi - Audi Volkswagen

Includes O-Ring, Price includes a $50.00 refundable core charge

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1877628
Mfg#:
078121006X
Ships in 9 Business Days
$243.56

This product was last offered at the strikethrough price on
02-26-2026

$243.46 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Coupler

ES#307293 - 1J0122291D - Cooling System Coupler - Keep your cooling system leak free - Genuine Volkswagen Audi - Audi Volkswagen

Keep your cooling system leak free

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307293
Mfg#:
1J0122291D
Ships in 3 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.

$29.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3235770 - 5C0122051A - Radiator Hose - Lower - Lower Radiator return hose - Gates - Volkswagen

Lower Radiator return hose

Brand:
Gates - Corporate Logo
ES#:
3235770
Mfg#:
5C0122051A
In Stock at Vendor
$247.99

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

$240.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Return Hose

ES#2064744 - 5C0122073A - Heater Core Return Hose - Connects rear thermostat housing to heater core - Genuine Volkswagen Audi - Volkswagen

Connects rear thermostat housing to heater core For vehicles with automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2064744
Mfg#:
5C0122073A
In Stock
Limited Qty Sale
$268.99

This product was last offered at the strikethrough price on
06-15-2026

$239.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Sealing O-Ring - Priced Each

ES#274529 - 037121687 - Coolant Flange Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Genuine Volkswagen Audi - Audi Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274529
Mfg#:
037121687
In Stock
30% off MSRP

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

$7.08

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

$4.99 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.

Let us help you find the parts that fit your Volkswagen

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Manufacturer names and/or part numbers are used only for identification purposes.

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