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Volkswagen Passat B6 FWD 3.6L

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Volkswagen Passat B6 FWD 3.6L Engine Cooling Parts

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CSF Universal Large Single-Pass Cooler

ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. 2X Entries For Our 25th Anniversary Sweepstakes!
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 3 Business Days
$499.00 USD
Free Shipping

Coolant Pipe

ES#5446937 - 03H121145A - Coolant Pipe - Hose connection found on the back of the block - Hamburg Tech - Volkswagen

Hose connection found on the back of the block

Brand:
Hamburg Tech - Corporate Logo
ES#:
5446937
Mfg#:
03H121145A
Ships in 1 Business Day
$18.99 USD

Cooling Hose Flange - Upgraded Aluminum

ES#4932881 - 95510623100PRM - Cooling Hose Flange - Upgraded Aluminum - Ditch the failure-prone factory plastic and bulletproof your cooling system. - URO Premium - Audi Volkswagen Porsche

Ditch the failure-prone factory plastic and bulletproof your cooling system. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
4932881
Mfg#:
95510623100PRM
Ships in 1 Business Day
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2794848 - 5K0121253C - Radiator - Keep your engine running cool with a new radiator - Behr - Audi Volkswagen

Keep your engine running cool with a new radiator

Brand:
Behr - Corporate Logo
ES#:
2794848
Mfg#:
5K0121253C
Ships in 1 day
$183.99

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

$178.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3579946 - 1K0121251K - Radiator - Keep your engine running cool with a new radiator - Nissens - Audi Volkswagen

Keep your engine running cool with a new radiator We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3579946
Mfg#:
1K0121251K
Ships in 1 day
$182.99

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

$177.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator

Keep your engine running cool with a new radiator

Brand:
Metrix - Corporate Logo
ES#:
3579948
Mfg#:
1K0121251K
Ships in 1 day
$91.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit

ES#4017079 - 03h121117aKT1 - Cooling System Refresh Kit - This coolant refresh kit covers the most common failures in the cooling system on your 3.6L VR6 engine - Genuine Volkswagen Audi - Volkswagen

This coolant refresh kit covers the most common failures in the cooling system on your 3.6L VR6 engine For vehicles with VIN from 3C-7-120 001 only, split is in the 2007 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4017079
Mfg#:
03H121117AKT1
Ships in 2 Business Days
$990.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2794833 - 03h121113KT - Thermostat Replacement Kit - Designed to ease installation procedure of thermostat and prevent a re-do - Genuine Volkswagen Audi - Volkswagen

Designed to ease installation procedure of thermostat and prevent a re-do

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2794833
Mfg#:
03H121113KT
Ships in 2 Business Days
$251.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump

Includes O-ring

Brand:
Gates - Corporate Logo
ES#:
3234667
Mfg#:
022121011A
Ships on Aug 20, 2026
$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340675
Mfg#:
N90316802
Special Order: No Guaranteed ETA
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

See your coolant levels clearly again, comes with coolant level sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4343694
Mfg#:
1K0121407
Special Order: No Guaranteed ETA
$24.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose Set

ES#4846032 - 3C1819857 - Heater Core Hose Set - Supply and Return coolant lines. - Vaico - Volkswagen

Supply and Return coolant lines. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4846032
Mfg#:
3C1819857
Special Order: No Guaranteed ETA
$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4057379 - 03H121113D - Thermostat - Helps your engine regulate its temperature - Vemo - Audi Volkswagen

Helps your engine regulate its temperature

Brand:
Vemo - Corporate Logo
ES#:
4057379
Mfg#:
03H121113D
Special Order: No Guaranteed ETA
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

Upper expansion tank hose We Price Match - Give Us A Call or Chat!
Fits vehicles with CCTA or CBFA engine code only

Brand:
Vaico - Corporate Logo
ES#:
4839981
Mfg#:
1K0122447FT
Special Order: No Guaranteed ETA
$12.99 USD
Free Shipping
on orders $49 and up

Primary Fan Assembly - 360mm

ES#4900757 - 1K0959455FR - Primary Fan Assembly - 360mm - Larger of the two cooling fans found behind the radiator - Meyle - Audi Volkswagen

Larger of the two cooling fans found behind the radiator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900757
Mfg#:
1K0959455FR
Special Order: No Guaranteed ETA
$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4900411 - 1K0121407F - Coolant Expansion Tank - See your coolant levels clearly again, comes with coolant level sensor - Meyle - Audi Volkswagen

See your coolant levels clearly again, comes with coolant level sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900411
Mfg#:
1K0121407F
Special Order: No Guaranteed ETA
$30.99 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.

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