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Volkswagen Passat B6 FWD 3.6L Engine Cooling Parts

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ES#258484 - 1K0959455ET - Auxiliary Fan Assembly - 295mm - Smaller of the two fans found behind the radiator - Genuine Volkswagen Audi - Audi Volkswagen

Smaller of the two fans found behind the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258484
Mfg#:
1K0959455ET
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.

$354.99

This product was last offered at the strikethrough price on
06-17-2026

$330.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2553327 - 1KM959455E - Auxiliary Fan Assembly - 295mm - Smaller of the two fans found behind the radiator - Genuine Volkswagen Audi - Audi Volkswagen

Smaller of the two fans found behind the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2553327
Mfg#:
1KM959455E
Ships in 2 Business Days
$335.99

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

$326.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#470958 - N90846602 - Expansion Tank Screw - Priced Each - Install new hardware with your new parts, 2 Required. 5x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts, 2 Required. 5x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470958
Mfg#:
N90846602
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.

$3.99

This product was last offered at the strikethrough price on
06-17-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4004591 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Rein - Audi Volkswagen Porsche

Keep proper pressure in your coolant system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4004591
Mfg#:
5Q0121321
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2812945 - 03H121121C - Thermostat Cover - Outlet for coolant from the thermostat - Hamburg Tech - Audi Volkswagen

Outlet for coolant from the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812945
Mfg#:
03H121121C
Ships in 2 Business Days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2535131 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - URO - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535131
Mfg#:
N90316802
In Stock
$1.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3623904 - N90692901 - Coolant T Connector - Connects to the lower radiator hose - URO - Audi Volkswagen

Connects to the lower radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3623904
Mfg#:
N90692901
Ships in 2 Business Days
$11.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3438614
Mfg#:
1K0959455ET
Ships in 2 Business Days
$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307172
Mfg#:
1J0121087B
Ships in 3 Business 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
06-17-2026

$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#315315 - 1K0121212C - Secondary Radiator - Used to assist the main radiator in cooling - Genuine Volkswagen Audi - Volkswagen

Used to assist the main radiator in cooling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with VIN up to 3C-6-240 000 only, split is in the 2006 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315315
Mfg#:
1K0121212C
Ships in 3 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.

$306.99

This product was last offered at the strikethrough price on
02-26-2026

$285.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4810736 - 1K0122291C - Quick Coupler - Connects upper radiator hose to return line - Rein - Audi Volkswagen

Connects upper radiator hose to return line affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810736
Mfg#:
1K0122291C
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3470821 - 022121011B - Water Pump  - Brand new unit - Genuine Volkswagen Audi - Audi Volkswagen

Brand new unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3470821
Mfg#:
022121011B
Ships in 3 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.

$293.99

This product was last offered at the strikethrough price on
02-26-2026

$274.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2793046 - 01600 - Purple Ice - 12oz - High performance coolant conditioner - Royal Purple - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance coolant conditioner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Royal Purple - Corporate Logo
ES#:
2793046
Mfg#:
01600
Ships in 6 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
ES#275814 - 03H121133 - Cylinder Head Cooling Flange - Located on the side of the engine attached to the thermostat housing - Genuine Volkswagen Audi - Audi Volkswagen

Located on the side of the engine attached to the thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275814
Mfg#:
03H121133
Ships in 1-2 days
ON SALE!
$54.99

This product was last offered at the strikethrough price on
06-15-2026

$52.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#275812 - 03H121121C - Thermostat Cover - Outlet for coolant from the thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Outlet for coolant from the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275812
Mfg#:
03H121121C
Ships in 3 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.

$69.99

This product was last offered at the strikethrough price on
06-17-2026

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4272249 - 022121011B - Water Pump - Keep your coolant flowing to prevent overheating - Graf - Audi Volkswagen

Keep your coolant flowing to prevent overheating affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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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