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Volkswagen Passat Engine Cooling Parts

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ES#4013695 - N0138149 - Sealing Washer - Priced Each - Install new hardware with your new parts. M14x18 - Victor Reinz - Audi Volkswagen

Install new hardware with your new parts. M14x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4013695
Mfg#:
N0138149
In Stock
$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
ES#307207 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose to the flange. 32mm - Genuine Volkswagen Audi - Audi Volkswagen

Secures the radiator hose to the flange. 32mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307207
Mfg#:
1J0121142
In Stock
21% off MSRP

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

$6.47

This product was last offered at the strikethrough price on
06-04-2026

$5.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#345831 - 3C1819857 - Heater Core Hose Set - Supply and Return coolant lines. - Genuine Volkswagen Audi - Volkswagen

Supply and Return coolant lines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
345831
Mfg#:
3C1819857
Ships in 1 day
7% off MSRP

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

$206.99

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

$192.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4197 - N10139201 - O-Ring - Priced Each - O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 - Rein - Audi Volkswagen

O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 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#:
4197
Mfg#:
N10139201
In Stock
$4.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2528895 - 06H121121L - Thermostat Housing - Plastic flange for the thermostat that connects to the water pump housing - Genuine Volkswagen Audi - Audi Volkswagen

Plastic flange for the thermostat that connects to the water pump housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with TSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2528895
Mfg#:
06H121121L
In Stock
Limited Qty Sale
$42.52

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2966326 - 8D0121403LxKT - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Assembled By ECS - Audi Volkswagen

Install a brand new expansion tank with a new cap and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2966326
Mfg#:
8D0121403LXKT
Ships in 1 Business Day
ON SALE!
$49.99

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

$47.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4688634 - 06H121131C - Water Pump Union - With Seals - Connection point between the oil cooler and the water pump assembly - Includes o-rings - Bremmen Parts - Audi Volkswagen

Connection point between the oil cooler and the water pump assembly - Includes o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For models with CCTA or CBFA engine codes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4688634
Mfg#:
06H121131C
In Stock
ON SALE! SAVE 31%
$4.99

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

$3.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3504943 - 06h121026KT -  Water Pump Kit - Parts you need to replace your water pump. Features a pump with metal impeller! - Assembled By ECS - Volkswagen

Parts you need to replace your water pump. Features a pump with metal impeller! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3504943
Mfg#:
06H121026KT
In Stock at Vendor
ON SALE! SAVE 10%
$210.99

This product was last offered at the strikethrough price on
01-03-2026

$190.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2594857 - 8D0121403L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Febi - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2594857
Mfg#:
8D0121403L
In Stock at Vendor
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2588261 - 357121140KT - Coolant Flange Plug Kit - Priced Each - Includes all needed to plug a sensor hole - Genuine Volkswagen Audi - Volkswagen

Includes all needed to plug a sensor hole affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2588261
Mfg#:
357121140KT
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#307293 - 1J0122291D - Cooling System Coupler - Keep your cooling system leak free - Genuine Volkswagen Audi - Audi Volkswagen

Keep your cooling system leak free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307293
Mfg#:
1J0122291D
Ships in 1 day
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
02-26-2026

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#366087 - 4B0121055J - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Genuine Volkswagen Audi - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AUG or AWM engine codes only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
366087
Mfg#:
4B0121055J
Ships in 6 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.

$204.99

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

$191.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3491616 - 3C0122051BQ - Radiator Hose - Lower - Connects the radiator to the thermostat - Vaico - Volkswagen

Connects the radiator to the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits vehicles with CCTA or CBFA engine code and 6-speed manual or Tiptronic transmissions only

Brand:
Vaico - Corporate Logo
ES#:
3491616
Mfg#:
3C0122051BQ
Special Order: No Guaranteed ETA
$187.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#259720 - n90687101 - Spring Clamp - Priced Each - Install new hardware with your new parts. 32x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 32x12 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259720
Mfg#:
N90687101
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3419389 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Rein - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 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#:
3419389
Mfg#:
N90316802
In Stock
$2.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#261828 - 8D0121403L - Coolant Expansion Tank - Includes integrated coolant level sensor - Meyle - Audi Volkswagen

Includes integrated coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
261828
Mfg#:
8D0121403L
Ships on Oct 14, 2026
$30.99 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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