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Volkswagen Passat Engine Cooling Parts

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Oil Cooler O-Ring

ES#2776 - 038117070A - Oil Cooler O-Ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Victor Reinz - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5

Brand:
Victor Reinz - Corporate Logo
ES#:
2776
Mfg#:
038117070A
In Stock
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clutch Fan Pulley Bearing

ES#277600 - 058115136 - Clutch Fan Pulley Bearing - Bearing located in power steering bracket for cooling fan - Genuine Volkswagen Audi - Volkswagen

Bearing located in power steering bracket for cooling fan

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277600
Mfg#:
058115136
In Stock
7% off MSRP

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

$122.99

This product was last offered at the strikethrough price on
07-21-2026

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#3235886 - 8D0121055T - Radiator Hose - Lower - Connects the lower radiator port to the thermostat housing - Gates - Audi Volkswagen

Connects the lower radiator port to the thermostat housing For vehicles with VIN from 3B-X-145 414 or VIN 3B-XE173 716 through VIN 3B-1-050 000 only, splits are in the 1999 and 2001 model years

Brand:
Gates - Corporate Logo
ES#:
3235886
Mfg#:
8D0121055T
Ships on Aug 10, 2026
$114.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2627317 - 8D0121055T - Radiator Hose - Lower - Connects the lower radiator port to the thermostat housing - Rein - Audi Volkswagen

Connects the lower radiator port to the thermostat housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 3B-X-145 414 or VIN 3B-XE173 716 through VIN 3B-1-050 000 only, splits are in the 1999 and 2001 model years

Brand:
Rein - Corporate Logo
ES#:
2627317
Mfg#:
8D0121055T
Ships in 4 Business Days
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump - With Metal Impeller

ES#1831921 - 021121004X - Water Pump - With Metal Impeller - Water pump with metal impeller and o-ring - Hepu - Volkswagen

Water pump with metal impeller and o-ring

Brand:
Hepu - Corporate Logo
ES#:
1831921
Mfg#:
021121004X
Ships in 1 Business Day
$113.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Thermostat Replacement Kit

ES#2580973 - 06B121121LKT1 - Complete Thermostat Replacement Kit - Includes a genuine 87C thermostat, housing, o-ring and stretch bolts - Assembled By ECS - Volkswagen

Includes a genuine 87�C thermostat, housing, o-ring and stretch bolts 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with AUG or AWM engine codes only.

Brand:
Assembled By ECS - Corporate Logo
ES#:
2580973
Mfg#:
06B121121LKT1
In Stock
ON SALE! SAVE 24%
$36.99

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

$28.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3545376 - 3777 - Radiator - Keep your engine running cool with a new radiator - CSF - Volkswagen

Keep your engine running cool with a new radiator 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
CSF - Corporate Logo
ES#:
3545376
Mfg#:
3777
Ships in 3 Business Days
$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Installation Kit

ES#2582078 - 1K0121367FKT1 - Radiator Installation Kit - Upper and lower mounts plus 2 gallons of G13 coolant - Genuine Volkswagen Audi - Audi Volkswagen

Upper and lower mounts plus 2 gallons of G13 coolant

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2582078
Mfg#:
1K0121367FKT1
Ships on Aug 21, 2026
Auto Notify
$111.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat - 80°C

ES#6471 - 056121113A - Thermostat - 80C - Cooler than stock temperature. - Wahler - Volkswagen

Cooler than stock temperature.

Brand:
Wahler - Corporate Logo
ES#:
6471
Mfg#:
056121113A
Ships in 1 Business Day
$28.99

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

$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Blade

ES#277616 - 058121301B - Auxiliary Fan Blade - For the belt driven auxiliary fan - Genuine Volkswagen Audi - Audi Volkswagen

For the belt driven auxiliary fan

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277616
Mfg#:
058121301B
Ships in 9 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.

$118.99

This product was last offered at the strikethrough price on
07-21-2026

$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#4446147 - 03H121133 - Cylinder Head Cooling Flange - Located on the side of the engine attached to the thermostat housing - URO - Audi Volkswagen

Located on the side of the engine attached to the thermostat housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4446147
Mfg#:
03H121133
Ships on Aug 13, 2026
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Glow Plug Harness - Priced Each

Electrical connection to coolant glow plugs Coolant Glow Plug Harness - 3 required

Brand:
Vemo - Corporate Logo
ES#:
4817866
Mfg#:
028971782A
Ships on Nov 13, 2026
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#429387 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Genuine Volkswagen Audi - Audi Volkswagen

Connects the upper radiator port to the hard water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
429387
Mfg#:
8D0121101K
Ships in 7 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.

$119.99

This product was last offered at the strikethrough price on
07-21-2026

$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#4818191 - 8D0819371H - Heater Core Hose - Supply - Connects the heater core to the cylinder head flange - URO - Audi Volkswagen

Connects the heater core to the cylinder head flange 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4818191
Mfg#:
8D0819371H
Back Ordered
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Quick Coupler

ES#4039653 - 1K0122291C - Quick Coupler - Connects upper radiator hose to return line - Vaico - Audi Volkswagen

Connects upper radiator hose to return line We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039653
Mfg#:
1K0122291C
In Stock
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2535170 - 1J0121321B - Expansion Tank Cap - Keep proper pressure in your coolant system - URO - Audi Volkswagen

Keep proper pressure in your coolant system 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535170
Mfg#:
1J0121321B
In Stock
$5.99

This product was last offered at the strikethrough price on
03-02-2026

$4.99 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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