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Volkswagen Passat B4 TDI

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Volkswagen Passat B4 TDI Engine Cooling Parts

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Water Pump Gasket (9 Hole)

ES#3698487 - 026121041P - Water Pump Gasket (9 Hole) - Elring - Audi Volkswagen

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

Brand:
Elring - Corporate Logo
ES#:
3698487
Mfg#:
026121041P
In Stock at Vendor
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Freeze Plug - Priced Each

ES#274313 - 036103113A - Freeze Plug - Priced Each - Keep your engine block sealed. 36.6mm - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine block sealed. 36.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274313
Mfg#:
036103113A
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titan 4-Piece Air Blow Gun Set

ES#4352819 - TIT19391 - Titan 4-Piece Air Blow Gun Set - Seals and blows out clogged lines/pipes - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Seals and blows out clogged lines/pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Titan - Corporate Logo
ES#:
4352819
Mfg#:
TIT19391
Ships in 7 Business Days
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#2709028 - 3A0919506 - Auxiliary Fan Control Unit - Located near coolant reservoir - URO - Volkswagen

Located near coolant reservoir affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709028
Mfg#:
3A0919506
Ships in 2 Business Days
$78.99

This product was last offered at the strikethrough price on
04-10-2026

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch Gasket

ES#9109 - N0438083 - Radiator Fan Switch Gasket - Install new hardware with your new parts. 22x29x1.50 - Victor Reinz - Audi Volkswagen

Install new hardware with your new parts. 22x29x1.50 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
9109
Mfg#:
N0438083
Ships in 2 Business Days
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#514001 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Victor Reinz - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
514001
Mfg#:
038121119B
In Stock at Vendor
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#4057465 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Victor Reinz - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
4057465
Mfg#:
N90316802
Ships in 3 Business Days
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#2538532 - 026121041M - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Victor Reinz - Audi Volkswagen

Ensure a proper seal when installing a new water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2538532
Mfg#:
026121041M
In Stock at Vendor
$14.99

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

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Bracket mounting Stud

ES#271214 - 028260821C - Alternator Bracket mounting Stud - Connects the alternator bracket to the water pump housing - Genuine Volkswagen Audi - Volkswagen

Connects the alternator bracket to the water pump housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
271214
Mfg#:
028260821C
Ships in 8 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.

$60.99

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

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Wrench

ES#2210254 - VAG1590 - Water Pump Wrench - Used for removing 2-piece pulley on V-belt systems - Genuine Volkswagen Audi - Audi Volkswagen

Used for removing 2-piece pulley on V-belt systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2210254
Mfg#:
VAG1590
In Stock
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#2812990 - 068117021B - Oil Cooler - Common source of undiscoverable coolant leaks - Hamburg Tech - Audi Volkswagen

Common source of undiscoverable coolant leaks 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#:
2812990
Mfg#:
068117021B
Ships in 2 Business Days
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Glow Plug Cable Repair Kit

Electrical connection to coolant glow plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Coolant Glow Plug Harness - 3 required

Brand:
SenCom - Corporate Logo
ES#:
5446466
Mfg#:
20517GKB
Ships on Jun 24, 2026
$23.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#3190081 - 902-956 - Thermostat Housing - Common point of failure or leaking for the cooling system - Dorman - Audi Volkswagen

Common point of failure or leaking for the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3190081
Mfg#:
902-956
Ships in 5 Business Days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch � 75-82�C

ES#1369 - 1H0959481D - Auxiliary Fan Switch 75-82C - Square connector with rounded ends - Wahler - Volkswagen

Square connector with rounded ends affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with square connector only

Brand:
Wahler - Corporate Logo
ES#:
1369
Mfg#:
1H0959481D
In Stock at Vendor
$42.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#270399 - 026121144E - Coolant Flange - Located on the driver side of the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Located on the driver side of the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
270399
Mfg#:
026121144E
Ships in 3 Business 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.

$47.99

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

$41.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#4939952 - 068117021B - Oil Cooler - Common source of undiscoverable coolant leaks - Bremmen Parts - Audi Volkswagen

Common source of undiscoverable coolant leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4939952
Mfg#:
068117021B
In Stock
Limited Qty Sale
$26.99

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

$20.99 USD

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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