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Volkswagen Passat Engine Cooling Parts

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Expansion Tank Cap

ES#253082 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
253082
Mfg#:
3B0121321
In Stock
25% off MSRP

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

$37.18

This product was last offered at the strikethrough price on
09-03-2026

$27.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing Assembly - Aluminum

ES#4845789 - 03L115389H - Oil Filter Housing Assembly - Aluminum - Mounted to the engine block and houses the engine oil filter and oil cooler - Vemo - Volkswagen

Mounted to the engine block and houses the engine oil filter and oil cooler For vehicles with CKRA engine code only (2012-2014)

Brand:
Vemo - Corporate Logo
ES#:
4845789
Mfg#:
03L115389H
Ships in 1 Business Day
$353.99

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

$343.99 USD
Free Shipping
on orders $49 and up

Silicone Coolant Hose Kit - Red

ES#4362413 - Aut-MK5-002-RED - Silicone Coolant Hose Kit - Red - Replace your stock rubber hoses with silicone - Autobahn Autoworx - Audi Volkswagen

Replace your stock rubber hoses with silicone For vehicles with BPY engine code only

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4362413
Mfg#:
AUT-MK5-002-RED
Ships in 1 Business Day
$275.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Kit

ES#3504998 - 06h121026KT1 - Water Pump Kit - Parts you need to replace your water pump. - Genuine Volkswagen Audi - Volkswagen

Parts you need to replace your water pump.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3504998
Mfg#:
06H121026KT1
In Stock
$283.99

This product was last offered at the strikethrough price on
07-31-2026

$274.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Temperature Sensor With O-Ring & Clip - 4 Pin

ES#2866095 - 059919501AS1 - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Updated Green sensor with square/round connector. Please check existing sensor color - Febi - Audi Volkswagen

Updated <font color='green'>Green</font> sensor with square/round connector. Please check existing sensor color We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866095
Mfg#:
059919501AS1
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#4766154 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings. Includes O-ring - Bremmen Parts - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings. Includes O-ring 10X Entries Into Our F80 M3 Sweepstakes

Please check existing sensor color

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766154
Mfg#:
06A919501A
In Stock
ON SALE! SAVE 15%
$14.99

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

$12.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#4163617 - 06L121012L - Water Pump - Includes gasket and hardware - Genuine Volkswagen Audi - Audi Volkswagen

Includes gasket and hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4163617
Mfg#:
06L121012L
In Stock
31% off MSRP

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

$196.65

This product was last offered at the strikethrough price on
07-30-2026

$134.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Banjo Bolt - Priced Each

ES#279534 - 06A145541J - Banjo Bolt - Priced Each - Hollow bolt that allows fluid to pass through. M14x26 - Genuine Volkswagen Audi - Audi Volkswagen

Hollow bolt that allows fluid to pass through. M14x26 For vehicles with VIN from 3B-3-100 001, split is in 2003 model year.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279534
Mfg#:
06A145541J
In Stock
25% off MSRP

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

$42.98

This product was last offered at the strikethrough price on
10-19-2026

$32.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - OE+ aluminum Upgrade

ES#4172031 - 06J121065F - Coolant Pipe - OE+ aluminum Upgrade - Connects water pump to cylinder head coolant flange. - Rein - Audi Volkswagen

Connects water pump to cylinder head coolant flange. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with CBFA or CCTA engine code only

Brand:
Rein - Corporate Logo
ES#:
4172031
Mfg#:
06J121065F
In Stock
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spill-Proof Coolant / Antifreeze Funnel Bleeder - Bavarian Autosport

ES#3673924 - B8800082 - Spill-Proof Coolant / Antifreeze Funnel Bleeder - Bavarian Autosport - Multiple adapters include to fit a variety of vehicles. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Multiple adapters include to fit a variety of vehicles. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673924
Mfg#:
B8800082
Ships in 5 Business Days
ON SALE! SAVE 15%
$33.99

This product was last offered at the strikethrough price on
08-19-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

12mm 14pt Wrench For Waterpump Main Shaft

ES#4413996 - BT10360 - 12mm 14pt Wrench For Waterpump Main Shaft - Used to remove waterpump drive. - Baum Tools - Audi Volkswagen

Used to remove waterpump drive. For vehicles with CCTA or CBFA engine code only

Brand:
Baum Tools - Corporate Logo
ES#:
4413996
Mfg#:
BT10360
Ships on Jan 8, 2027
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Cleaner - 300mL

ES#3195914 - 2051 - Radiator Cleaner - 300mL - Used to clean out your cooling system and restore efficiency - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI

Used to clean out your cooling system and restore efficiency 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship

Brand:
Liqui-Moly - Corporate Logo
ES#:
3195914
Mfg#:
2051
In Stock
43% off MSRP

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

$18.99

This product was last offered at the strikethrough price on
09-13-2026

$10.79 USD
Free Shipping
on orders $49 and up

Coolant Temperature Sensor - 2 Pin

ES#2718641 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Febi - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings We Price Match - Give Us A Call or Chat!
Please check existing sensor color

Brand:
Febi - Corporate Logo
ES#:
2718641
Mfg#:
06A919501A
Ships in 1 Business Day
$18.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi 2.0T TSI Performance Aluminum Radiator - With Installation Kit

ES#4030589 - 004257ECS02KT - VW/Audi 2.0T TSI Performance Aluminum Radiator - With Installation Kit - Direct-fit upgrade! Featuring a 20% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts and coolant. - Assembled By ECS - Audi Volkswagen

Direct-fit upgrade! Featuring a 20% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts and coolant. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with TSI engine only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4030589
Mfg#:
004257ECS02KT
In Stock
ON SALE! SAVE 12%
$390.82

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

$345.78 USD
This product is lifetime replacement eligible Partial Replacement

Upgraded Water Pump Thermostat Gasket Kit

ES#3536895 - 06H121026DD - Upgraded Water Pump Thermostat Gasket Kit - Includes the thermostat, temp sensor, union, and gaskets - Hamburg Tech - Audi Volkswagen

Includes the thermostat, temp sensor, union, and gaskets We Price Match - Give Us A Call or Chat!
For vehicles with TSI engines only

Brand:
Hamburg Tech - Corporate Logo
ES#:
3536895
Mfg#:
06H121026DD
In Stock
$323.99

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

$218.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pump Module (06H121026DD)

ES#4362074 - 06H121026DD - Aluminum Water Pump Module (06H121026DD) - Complete water pump housing module, includes thermostat, temp sensor, belt and gasket - Featuring a full aluminum housing! - Rein - Audi Volkswagen

Complete water pump housing module, includes thermostat, temp sensor, belt and gasket - Featuring a full aluminum housing! 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4362074
Mfg#:
06H121026DD
Back Ordered
$477.99 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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