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Volkswagen Passat Engine Cooling Parts

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Auxiliary Fan Control Unit

ES#3235893 - 8D0959501A - Auxiliary Fan Control Unit - With heavy duty cooling, 2 connectors on each unit - Gates - Audi Volkswagen

With heavy duty cooling, 2 connectors on each unit

Brand:
Gates - Corporate Logo
ES#:
3235893
Mfg#:
8D0959501A
Ships on Aug 10, 2026
$289.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2812860 - 021121117A - Thermostat Housing - Located on the drivers side of the engine. O-rings sold separately. - Hamburg Tech - Volkswagen

Located on the drivers side of the engine. O-rings sold separately. We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812860
Mfg#:
021121117A
Ships in 2 Business Days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#3235556 - 1K0965561J - Auxiliary Water Pump - Secondary pump for more efficient cooling - Gates - Audi Volkswagen

Secondary pump for more efficient cooling For vehicles with CCTA or CBFA engine codes only

Brand:
Gates - Corporate Logo
ES#:
3235556
Mfg#:
1K0965561J
Ships on Aug 10, 2026
$287.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Fitting

ES#257105 - 028115721 - Oil Filter Fitting - Fitting for oil filter adapter and oil cooler - Genuine Volkswagen Audi - Audi Volkswagen

Fitting for oil filter adapter and oil cooler

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
257105
Mfg#:
028115721
Ships in 3 Business Days
11% off MSRP

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

$53.99

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

$47.99 USD
Free Shipping
on orders $49 and up

Quick Coupler

ES#4810736 - 1K0122291C - Quick Coupler - Connects upper radiator hose to return line - Rein - Audi Volkswagen

Connects upper radiator hose to return line 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810736
Mfg#:
1K0122291C
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Radiator

ES#315315 - 1K0121212C - Secondary Radiator - Used to assist the main radiator in cooling - Genuine Volkswagen Audi - Volkswagen

Used to assist the main radiator in cooling For vehicles with VIN up to 3C-6-240 000 only, split is in the 2006 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315315
Mfg#:
1K0121212C
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.

$306.99

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

$285.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#433318 - 8D1819030B - Heater Core - Stop coolant loss and cure a fogged windshield - Genuine Volkswagen Audi - Audi Volkswagen

Stop coolant loss and cure a fogged windshield

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
433318
Mfg#:
8D1819030B
Ships in 3 Business Days
8% off MSRP

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

$311.99

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

$285.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Union

ES#4818499 - 06L121131 - Water Pump Union - Connects water pump module to oil cooler - Bremmen Parts - Audi Volkswagen

Connects water pump module to oil cooler 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818499
Mfg#:
06L121131
In Stock
ON SALE! SAVE 29%
$5.99

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

$4.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#2772 - 068117021B - Oil Cooler - Common source of undiscoverable coolant leaks - Vemo - Audi Volkswagen

Common source of undiscoverable coolant leaks For vehicles with AEB engine code only.

Brand:
Vemo - Corporate Logo
ES#:
2772
Mfg#:
068117021B
In Stock at Vendor
$72.99

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

$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

ES#281538 - 06J121065F - Coolant Pipe - Connects water pump to cylinder head coolant flange - Genuine Volkswagen Audi - Volkswagen

Connects water pump to cylinder head coolant flange For vehicles with CBFA or CCTA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281538
Mfg#:
06J121065F
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.

$74.99

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

$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#282068 - 075121113D - Thermostat - 80C - Does not include sealing O-Ring - Genuine Volkswagen Audi - Audi Volkswagen

Does not include sealing O-Ring

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
282068
Mfg#:
075121113D
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.

$59.99

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

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Hose - Engine oil cooler to water pipe

ES#2642888 - 078121096AD - Water Hose - Engine oil cooler to water pipe - Connects coolant pipe to oil cooler housing - Rein - Audi Volkswagen

Connects coolant pipe to oil cooler housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2642888
Mfg#:
078121096AD
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#261821 - N0902619 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x20 For vehicles with AWM or AUG engine codes only, secures the coolant flange to the cylinder head.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261821
Mfg#:
N0902619
In Stock
17% off MSRP

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

$3.38

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

$2.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#275814 - 03H121133 - Cylinder Head Cooling Flange - Located on the side of the engine attached to the thermostat housing - Genuine Volkswagen Audi - Audi Volkswagen

Located on the side of the engine attached to the thermostat housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275814
Mfg#:
03H121133
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.

$58.99

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

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Power Steering/Water Pump

ES#546 - 11X528 - Accessory Belt - Power Steering/Water Pump - Replace your cracked or worn belt - Continental - Audi Volkswagen

Replace your cracked or worn belt We Price Match - Give Us A Call or Chat!
For vehicles with AEB or ATW engine codes only.

Brand:
Continental - Corporate Logo
ES#:
546
Mfg#:
11X528
Ships on Aug 7, 2026
Auto Notify
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3470821 - 022121011B - Water Pump - Brand new unit - Genuine Volkswagen Audi - Audi Volkswagen

Brand new unit

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3470821
Mfg#:
022121011B
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.

$293.99

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

$274.00 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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