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Volkswagen Passat Engine Cooling Parts

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Coolant pipe

ES#275817 - 03H121145A - Coolant pipe - Hose connection found on the back of the block - Genuine Volkswagen Audi - Volkswagen

Hose connection found on the back of the block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275817
Mfg#:
03H121145A
Ships in 1-2 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.

$56.99

This product was last offered at the strikethrough price on
10-05-2026

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#280012 - 06B121058S - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Genuine Volkswagen Audi - Audi Volkswagen

Connects the oil cooler to the hard water pipe For vehicles with AUG or AWM engine codes only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280012
Mfg#:
06B121058S
Ships in 5 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.

$37.99

This product was last offered at the strikethrough price on
10-24-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 14" Electric Fan - Black

ES#2764292 - MMFAN14 - Universal 14" Electric Fan - Black - 954 CFM - 5.6 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

954 CFM - 5.6 amps at 12.3 volts

Brand:
Mishimoto - Corporate Logo
ES#:
2764292
Mfg#:
MMFAN14
In Stock
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Pressure Tester Adapter

ES#2748354 - VAG1274/8 - Cooling System Pressure Tester Adapter - Used to pressurize the cooling system to check for leaks. - Genuine Volkswagen Audi - Volkswagen

Used to pressurize the cooling system to check for leaks.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2748354
Mfg#:
VAG1274/8
Special Order: No Guaranteed ETA
$100.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Additional Radiator for Intercooler

ES#3545372 - 3722 - Additional Radiator for Intercooler - Keep your engine running cool with a new radiator - CSF - Volkswagen

Keep your engine running cool with a new radiator 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with CKRA engine code only

Brand:
CSF - Corporate Logo
ES#:
3545372
Mfg#:
3722
Ships in 4 Business Days
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch - 4 Pin

ES#2901738 - 8D0959481B - Auxiliary Fan Switch - 4 Pin - Located on the lower radiator hose connection - Vemo - Audi Volkswagen

Located on the lower radiator hose connection

Brand:
Vemo - Corporate Logo
ES#:
2901738
Mfg#:
8D0959481B
Ships in 2 Business Days
$20.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#283545 - 078121043A - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing a new water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283545
Mfg#:
078121043A
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.

$22.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Coolant Hose - Right

ES#4818504 - 078121188A - Throttle Body Coolant Hose - Right - Connects the coolant pipe to the throttle body - Bremmen Parts - Audi Volkswagen

Connects the coolant pipe to the throttle body 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with ATQ engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818504
Mfg#:
078121188A
In Stock
ON SALE! SAVE 31%
$17.99

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

$12.49 USD
Free Shipping
on orders $49 and up

Hex Bolt - Priced Each

ES#469440 - N90280904 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x22 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x22 Engine codes AEB & ATW. Secures the coolant flange to the cylinder head.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469440
Mfg#:
N90280904
Ships in 3 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#4766181 - 1K0965561J - Auxiliary Water Pump - Secondary pump for more efficient cooling - Bremmen Parts - Audi Volkswagen

Secondary pump for more efficient cooling 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with CCTA or CBFA engine codes only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766181
Mfg#:
1K0965561J
Ships on Dec 1, 2026
ON SALE! SAVE 16%
$117.99

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

$99.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#5425901 - 03H121117A - Thermostat Housing - Common point of failure or leaking for the cooling system - Hamburg Tech - Audi Volkswagen

Common point of failure or leaking for the cooling system For vehicles with VIN from 3C-7-120 001 only, split is in the 2007 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
5425901
Mfg#:
03H121117A
Ships in 2 Business Days
$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose

ES#3135 - 028121053Q - Oil Cooler Hose - Runs from water pump to the oil cooler - Rein - Volkswagen

Runs from water pump to the oil cooler 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3135
Mfg#:
028121053Q
Ships in 1-2 days
$38.91

This product was last offered at the strikethrough price on
08-13-2026

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2812869 - 022121011A - Water Pump - Keep your coolant flowing to prevent overheating - Hamburg Tech - Audi Volkswagen

Keep your coolant flowing to prevent overheating We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812869
Mfg#:
022121011A
Ships in 2 Business Days
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87-135°C)

ES#5507013 - 03L121111Q - Thermostat (87-135C) - Restore proper engine operating temperatures and cabin heat with a premium direct-replacement thermostat assembly. - Rein - Volkswagen

Restore proper engine operating temperatures and cabin heat with a premium direct-replacement thermostat assembly. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with CKRA engine code only

Brand:
Rein - Corporate Logo
ES#:
5507013
Mfg#:
03L121111Q
Ships in 4 Business Days
$97.99 USD
Free Shipping
on orders $49 and up
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 2 Business Days
$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

Radiator Fan Belt

ES#3490 - 1H0119137A - Radiator Fan Belt - Small belt that runs from the main fan to the auxiliary fan on cars with dual fans - Continental - Volkswagen Mercedes Benz

Small belt that runs from the main fan to the auxiliary fan on cars with dual fans We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
3490
Mfg#:
1H0119137A
Ships in 5 Business Days
$13.99 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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