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Volkswagen Passat Engine Cooling Parts

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Auxiliary Water Pump

ES#1844158 - 078121601B - Auxiliary Water Pump - Used as a after run pump on the V6 engine - Pierburg - Audi Volkswagen

Used as a after run pump on the V6 engine

Brand:
Pierburg - Corporate Logo
ES#:
1844158
Mfg#:
078121601B
Special Order: No Guaranteed ETA
$156.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#4232 - 034965561C - Auxiliary Water Pump - Electric water pump - Bosch - Audi Volkswagen

Electric water pump We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4232
Mfg#:
034965561C
Ships in 1 Business Day
$156.71 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#5346938 - EPT0030 - Coolant Expansion Tank - Does not include cap - Rein - Audi Volkswagen

Does not include cap 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5346938
Mfg#:
EPT0030
In Stock at Vendor
ON SALE!
$20.99

This product was last offered at the strikethrough price on
08-26-2026

$19.42 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#261828 - 8D0121403L - Coolant Expansion Tank - Includes integrated coolant level sensor - Meyle - Audi Volkswagen

Includes integrated coolant level sensor 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
261828
Mfg#:
8D0121403L
Ships on Sep 23, 2026
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Water Pump Union

ES#5388836 - 060429LA01 - Billet Water Pump Union - Water pump to oil cooler union pipe with pre-installed O-rings - ECS - Audi Volkswagen

Water pump to oil cooler union pipe with pre-installed O-rings 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5388836
Mfg#:
060429LA01
In Stock
$99.99

This product was last offered at the strikethrough price on
03-18-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#315285 - 1K0121109AL - Coolant Hose - Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange - Genuine Volkswagen Audi - Audi Volkswagen

Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange For vehicles with CBFA or CCTA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315285
Mfg#:
1K0121109AL
Ships in 1-2 days
13% off MSRP

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

$15.99

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

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#4040167 - 3C0122157FH - Coolant Hose - Connects heater core supply hose to cylinder head - Vaico - Audi Volkswagen

Connects heater core supply hose to cylinder head We Price Match - Give Us A Call or Chat!
Fits vehicles with CCTA engine code only

Brand:
Vaico - Corporate Logo
ES#:
4040167
Mfg#:
3C0122157FH
Ships in 1 Business Day
$156.99

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

$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

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 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419389
Mfg#:
N90316802
In Stock
ON SALE!
$2.12

This product was last offered at the strikethrough price on
08-31-2026

$2.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Water Pump

ES#3524513 - 03L121011P - Heavy Duty Water Pump - Keep your coolant flowing to prevent overheating - Meyle HD - Volkswagen

Keep your coolant flowing to prevent overheating 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with CKRA engine code only

Brand:
Meyle HD - Corporate Logo
ES#:
3524513
Mfg#:
03L121011P
Ships on Dec 4, 2026
Auto Notify
$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#766 - 06A121011L - Water Pump - Featuring a metal impeller - Graf - Audi Volkswagen

Featuring a metal impeller For vehicles with AUG or AWM engine codes only.

Brand:
Graf - Corporate Logo
ES#:
766
Mfg#:
06A121011L
Ships in 1 Business Day
$49.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2872396 - 8D0121055G - Radiator Hose - Lower - Connects the lower radiator port to the water pump & reservoir - Febi - Audi Volkswagen

Connects the lower radiator port to the water pump & reservoir We Price Match - Give Us A Call or Chat!
For vehicles with AEB or ATW engine codes only, with VIN up to 8D-Y-120000, split is in the 2000 model year.

Brand:
Febi - Corporate Logo
ES#:
2872396
Mfg#:
8D0121055G
Ships in 1 Business Day
$49.99

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#2394 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Victor Reinz - Audi Volkswagen

O-Ring between thermostat housing and cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
2394
Mfg#:
021121119A
In Stock at Vendor
$10.99

This product was last offered at the strikethrough price on
04-28-2026

$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#302253 - 1H0121321C - Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Volkswagen

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
302253
Mfg#:
1H0121321C
In Stock
ON SALE! SAVE 25%
$48.58

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

$36.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FSI Oil Cooler Adapter Plate Kit - Clear Anodized

ES#3470649 - 462-635-0008 - FSI Oil Cooler Adapter Plate Kit - Clear Anodized - Allows for clean installation of an external oil cooler - iABED Industries - Audi Volkswagen

Allows for clean installation of an external oil cooler For vehicles with FSI engines only

Brand:
iABED Industries - Corporate Logo
ES#:
3470649
Mfg#:
462-635-0008
Special Order: No Guaranteed ETA
$145.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#3438770 - 06D117021C - Engine Oil Cooler - Lowers engine oil temperature - Behr - Audi Volkswagen

Lowers engine oil temperature For vehicles with FSI engines only

Brand:
Behr - Corporate Logo
ES#:
3438770
Mfg#:
06D117021C
Ships in 1-2 days
$148.99

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

$144.99 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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