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Volkswagen Passat Engine Cooling Parts

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Sealing O-Ring - Priced Each

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Elring - Corporate Logo
ES#:
5340675
Mfg#:
N90316802
Special Order: No Guaranteed ETA
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump O-Ring

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only

Brand:
Elring - Corporate Logo
ES#:
5340522
Mfg#:
06A121119
Special Order: No Guaranteed ETA
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe Adapter O-Ring

Stop leaks with this new seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Elring - Corporate Logo
ES#:
5340968
Mfg#:
03H121041
Special Order: No Guaranteed ETA
$4.99 USD
Free Shipping
on orders $49 and up

Coolant Flange O-Ring

Seals the breather assembly to the engine block (29.2x3) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340933
Mfg#:
N90295401
Special Order: No Guaranteed ETA
$2.99 USD
Free Shipping
on orders $49 and up

Engine Oil Cooler Seals - Set Of 2

Seals the connection between the oil cooler and the engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5341032
Mfg#:
03H198070
Special Order: No Guaranteed ETA
$8.99 USD
Free Shipping
on orders $49 and up

Thermostat O-Ring

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

Brand:
Elring - Corporate Logo
ES#:
5340952
Mfg#:
06B121119B
Special Order: No Guaranteed ETA
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

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

Brand:
Elring - Corporate Logo
ES#:
5340689
Mfg#:
N90136802
Special Order: No Guaranteed ETA
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2966380 - B5PSSTDITSTATKT2 - Thermostat Replacement Kit - Includes thermostat with housing, o-ring and mounting hardware - Assembled By ECS - Volkswagen

Includes thermostat with housing, o-ring and mounting 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#:
2966380
Mfg#:
B5PSSTDITSTATKT2
Ships on Jul 27, 2026
Auto Notify
ON SALE! SAVE 41%
$36.99

This product was last offered at the strikethrough price on
12-29-2025

$21.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 295mm

Smaller of the two fans found behind the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374095
Mfg#:
1K0959455ET
Ships on Jul 28, 2026
Auto Notify
ON SALE! SAVE 16%
$113.99

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

$96.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - FSI

ES#2592480 - 1K0121251ABKT1 - Cooling System Refresh Kit - FSI - This comprehensive kit eliminates weak spots in your cooling system - Genuine Volkswagen Audi - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2592480
Mfg#:
1K0121251ABKT1
Ships on Jul 31, 2026
$901.99 USD
This product is lifetime replacement eligible Partial Replacement

Thermostat (88°C)

ES#3234567 - 050121113ckt10KT - Thermostat (88C) - Prevent overheating and premature engine wear - Febi - Audi Volkswagen

Prevent overheating and premature engine wear 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#:
3234567
Mfg#:
050121113CKT10KT
Ships on Sep 1, 2026
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermo Sensor

ES#2871084 - 357919501 - Thermo Sensor - Febi - Volkswagen

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#:
2871084
Mfg#:
357919501
Special Order: No Guaranteed ETA
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Flange

ES#2866127 - 068121132B - Cooling Hose Flange - Includes sealing o-ring. - Febi - Volkswagen

Includes sealing o-ring. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
AAZ engine code only.

Brand:
Febi - Corporate Logo
ES#:
2866127
Mfg#:
068121132B
Special Order: No Guaranteed ETA
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#3143179 - 068117021B - Oil Cooler - Common source of undiscoverable coolant leaks - 068117021B - Refak - Audi Volkswagen

Common source of undiscoverable coolant leaks - 068117021B affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with AEB engine code only.

Brand:
Refak - Corporate Logo
ES#:
3143179
Mfg#:
068117021B
Special Order: No Guaranteed ETA
$564.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3143171 - 037121010A - Water Pump - Complete assembly, includes 2 rubber gaskets. Brand new unit. - 037121010C - Refak - Audi Volkswagen

Complete assembly, includes 2 rubber gaskets. Brand new unit. - 037121010C affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Refak - Corporate Logo
ES#:
3143171
Mfg#:
037121010A
Special Order: No Guaranteed ETA
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 4 Pin

<font color='blue'>Blue</font> sensor with square connector. Please check existing sensor color - 078919501B affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with VIN up to 3B-X-491,580, split is in the 1999 model year.

Brand:
Refak - Corporate Logo
ES#:
3143185
Mfg#:
078919501B
Special Order: No Guaranteed ETA
$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.

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

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