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Volkswagen Passat B4 TDI

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Volkswagen Passat B4 TDI Engine Cooling Parts

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Water Temperature Sensor - Brown/Black

ES#3970956 - 6U0919501B - Water Temperature Sensor - Brown/Black - 4-pin sensor for ECU - Meyle - Volkswagen

4-pin sensor for ECU 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970956
Mfg#:
6U0919501B
Ships on Sep 23, 2026
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Flange

ES#3970378 - 068121132B - Cooling Hose Flange - Includes sealing o-ring. - Meyle - Volkswagen

Includes sealing o-ring. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
AAZ engine code only.

Brand:
Meyle - Corporate Logo
ES#:
3970378
Mfg#:
068121132B
Ships on Sep 23, 2026
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose

Runs from water pump to the oil cooler

Brand:
Gates - Corporate Logo
ES#:
3234682
Mfg#:
028121053Q
Ships on Sep 25, 2026
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler O-Ring

ES#5340490 - 038117070 - Oil Cooler O-Ring - O-Ring between cover & oil cooler. 62.8mm - Elring - Volkswagen

O-Ring between cover & oil cooler. 62.8mm 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340490
Mfg#:
038117070
Special Order: No Guaranteed ETA
$3.99 USD
Free Shipping
on orders $49 and up

Sealing O-Ring - Priced Each

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries Into Our F80 M3 Sweepstakes

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

Thermo Sensor

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

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. 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

Thermostat - 80°C (Low Temp)

Low-temperature 80°C thermostat to prevent heat soak, resolve overheating issues, and cure stubborn check engine lights on your classic or modified VAG vehicle. We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865913
Mfg#:
040121113S
Special Order: No Guaranteed ETA
$12.99 USD
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

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

Coolant Flange

ES#2877941 - 026121144F - Coolant Flange - Located on the left side of your vehicles cylinder head - Vaico - Audi Volkswagen

Located on the left side of your vehicles cylinder head We Price Match - Give Us A Call or Chat!
AAZ Engine code and automatic transmission only

Brand:
Vaico - Corporate Logo
ES#:
2877941
Mfg#:
026121144F
Special Order: No Guaranteed ETA
$5.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Flange

ES#2878486 - 068121132B - Cooling Hose Flange - Includes sealing o-ring. - Vaico - Volkswagen

Includes sealing o-ring. We Price Match - Give Us A Call or Chat!
AAZ engine code only.

Brand:
Vaico - Corporate Logo
ES#:
2878486
Mfg#:
068121132B
Special Order: No Guaranteed ETA
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch Gasket

ES#4852722 - N0438083 - Radiator Fan Switch Gasket - Vemo Q+ - Audi Volkswagen

Brand:
Vemo Q+ - Corporate Logo
ES#:
4852722
Mfg#:
N0438083
Special Order: No Guaranteed ETA
$2.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THERMOSTAT WITH O-RING 87

ES#2800859 - 44121113 - THERMOSTAT WITH O-RING 87 - Meistersatz - Audi Volkswagen

Brand:
Meistersatz - Corporate Logo
ES#:
2800859
Mfg#:
44121113
Back Ordered
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

Keep your circulating oil cool and your engine healthy We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
4731966
Mfg#:
028117021D
Back Ordered
$107.99

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

$104.99 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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