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Volkswagen Passat B6 4 Motion 3.6L

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Volkswagen Passat B6 4 Motion 3.6L Engine Cooling Parts

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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 Replacement Kit

ES#2794834 - 03H121113KT1 - Thermostat Replacement Kit - Designed to easy installation procedure of thermostat and prevent a re-do - Assembled By ECS - Volkswagen

Designed to easy installation procedure of thermostat and prevent a re-do 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2794834
Mfg#:
03H121113KT1
Ships in 1-2 days
ON SALE!
$225.99

This product was last offered at the strikethrough price on
06-18-2026

$223.97 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Distribution Pipe

ES#307172 - 1J0121087B - Coolant Distribution Pipe - Three way connector that attaches directly to the upper radiator hose - Genuine Volkswagen Audi - Audi Volkswagen

Three way connector that attaches directly to the upper radiator hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307172
Mfg#:
1J0121087B
Ships in 1-2 days
10% off MSRP

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

$40.99

This product was last offered at the strikethrough price on
08-01-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#3469659 - 03H121113 - Thermostat - Helps your engine regulate its temperature - Rein - Audi Volkswagen

Helps your engine regulate its temperature 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3469659
Mfg#:
03H121113
In Stock at Vendor
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#4272249 - 022121011B - Water Pump - Keep your coolant flowing to prevent overheating - Graf - Audi Volkswagen

Keep your coolant flowing to prevent overheating

Brand:
Graf - Corporate Logo
ES#:
4272249
Mfg#:
022121011B
In Stock at Vendor
$51.99

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

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

Auxiliary Fan Assembly - 295mm

ES#3438614 - 1K0959455ET - Auxiliary Fan Assembly - 295mm - Smaller of the two fans found behind the radiator - Hamburg Tech - Audi Volkswagen

Smaller of the two fans found behind the radiator We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3438614
Mfg#:
1K0959455ET
Ships in 1 Business Day
$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#275811 - 03H121117A - Thermostat Housing - Common point of failure or leaking for the cooling system - Genuine Volkswagen Audi - 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:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275811
Mfg#:
03H121117A
Ships in 1-2 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.

$209.99

This product was last offered at the strikethrough price on
08-01-2026

$195.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose Set

ES#345831 - 3C1819857 - Heater Core Hose Set - Supply and Return coolant lines. - Genuine Volkswagen Audi - Volkswagen

Supply and Return coolant lines.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
345831
Mfg#:
3C1819857
Ships in 2 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.

$206.99

This product was last offered at the strikethrough price on
08-01-2026

$192.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp Pliers Set

ES#2949329 - SGT19780 - Hose Clamp Pliers Set - Ideal tool for less fluid loss while doing any automotive work - S&G Tool Aid - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Ideal tool for less fluid loss while doing any automotive work

Brand:
S&G Tool Aid - Corporate Logo
ES#:
2949329
Mfg#:
SGT19780
Ships in 6 Business Days
$62.99 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 For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419389
Mfg#:
N90316802
In Stock
$2.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

Keep your engine running cool with a new radiator

Brand:
TYC - Corporate Logo
ES#:
3579947
Mfg#:
1K0121251K
Back Ordered
$183.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Primary Fan Assembly - 360mm

ES#4066870 - 1K0959455FR - Primary Fan Assembly - 360mm - Larger of the two cooling fans found behind the radiator - ACM - Audi Volkswagen

Larger of the two cooling fans found behind the radiator

Brand:
ACM - Corporate Logo
ES#:
4066870
Mfg#:
1K0959455FR
Ships in 1-2 days
$172.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 295mm

ES#3492309 - 1K0959455ET - Auxiliary Fan Assembly - 295mm - Smaller of the two fans found behind the radiator - Nissens - Audi Volkswagen

Smaller of the two fans found behind the radiator We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3492309
Mfg#:
1K0959455ET
Ships in 6 Business Days
$160.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 295mm

ES#3139119 - 1K0959455ET - Auxiliary Fan Assembly - 295mm - Smaller of the two fans found behind the radiator - Hudson - Audi Volkswagen

Smaller of the two fans found behind the radiator

Brand:
Hudson - Corporate Logo
ES#:
3139119
Mfg#:
1K0959455ET
Ships in 3 Business Days
$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Coupler

ES#2597931 - 1J0122291D - Cooling System Coupler - Keep your cooling system leak free - URO - Audi Volkswagen

Keep your cooling system leak free 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2597931
Mfg#:
1J0122291D
In Stock
$5.00 USD
Free Shipping
on orders $49 and up
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 For Our 25th Anniversary Sweepstakes!
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5346938
Mfg#:
EPT0030
In Stock
$20.99 USD
Free Shipping
on orders $49 and up

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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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