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Volkswagen Passat B5 4 Motion 1.8T

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Volkswagen Passat B5 4 Motion 1.8T Engine Cooling Parts

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Cooling System Pressure Tester

ES#2748353 - VAG1274/B - Cooling System Pressure Tester - Used to pressurize the cooling system to check for leaks - Genuine Volkswagen Audi - Volkswagen

Used to pressurize the cooling system to check for leaks Used with adapter only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2748353
Mfg#:
VAG1274/B
Special Order: No Guaranteed ETA
$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Cylinder Head Cooling Flange

ES#4070439 - 462-121-132b5KT - Cast Aluminum Cylinder Head Cooling Flange - Located on the back of the cylinder head - iABED Industries - Audi Volkswagen

Located on the back of the cylinder head For vehicles with AUG or AWM engine codes only.

Brand:
iABED Industries - Corporate Logo
ES#:
4070439
Mfg#:
462-121-132B5KT
Back Ordered
Auto Notify
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp - Priced Each

ES#259720 - n90687101 - Spring Clamp - Priced Each - Install new hardware with your new parts. 32x12 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 32x12

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259720
Mfg#:
N90687101
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Clutch

ES#1713 - 058121350 - Auxiliary Fan Clutch - Common cause of overheating issues - Sachs - Audi Volkswagen

Common cause of overheating issues We Price Match - Give Us A Call or Chat!

Brand:
Sachs - Corporate Logo
ES#:
1713
Mfg#:
058121350
Ships in 1 day
$200.99

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

$194.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#4013695 - N0138149 - Sealing Washer - Priced Each - Install new hardware with your new parts. M14x18 - Victor Reinz - Audi Volkswagen

Install new hardware with your new parts. M14x18

Brand:
Victor Reinz - Corporate Logo
ES#:
4013695
Mfg#:
N0138149
In Stock
ON SALE! SAVE 27%
$3.99

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

$2.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#366087 - 4B0121055J - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Genuine Volkswagen Audi - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank For vehicles with AUG or AWM engine codes only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
366087
Mfg#:
4B0121055J
Ships in 1 day
6% off MSRP

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

$204.99

This product was last offered at the strikethrough price on
07-20-2026

$191.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3545334 - 3360 - Radiator - Fix leaks and keep your cooling system efficient - Featuring OEM specified Plastic Tank/Aluminum Core Construction - CSF - Audi Volkswagen

Fix leaks and keep your cooling system efficient - Featuring OEM specified Plastic Tank/Aluminum Core Construction 2X Entries For Our 25th Anniversary Sweepstakes!
Has additional ports for automatic transmission cooler that will need to be blocked off when used on manual transmission applications - block off caps Not included*

Brand:
CSF - Corporate Logo
ES#:
3545334
Mfg#:
3360
Ships in 2 Business Days
$95.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2594857 - 8D0121403L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Febi - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2594857
Mfg#:
8D0121403L
In Stock at Vendor
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug Kit - Priced Each

ES#2588261 - 357121140KT - Coolant Flange Plug Kit - Priced Each - Includes all needed to plug a sensor hole - Genuine Volkswagen Audi - Volkswagen

Includes all needed to plug a sensor hole

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2588261
Mfg#:
357121140KT
In Stock
$18.99 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 Hose - Upper

ES#2872399 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Febi - Audi Volkswagen

Connects the upper radiator port to the hard water pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872399
Mfg#:
8D0121101K
In Stock
ON SALE!
$23.99

This product was last offered at the strikethrough price on
06-25-2026

$22.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#1692 - 1J0121321B - Expansion Tank Cap - Keep proper pressure in your coolant system - Febi - Audi Volkswagen Porsche

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

Brand:
Febi - Corporate Logo
ES#:
1692
Mfg#:
1J0121321B
In Stock
ON SALE!
$12.99

This product was last offered at the strikethrough price on
07-14-2026

$12.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2535166 - 058121350 - Radiator Fan Clutch - Also called the viscous coupling. a commonly overlooked source of overheating - URO - Audi Volkswagen

Also called the viscous coupling. a commonly overlooked source of overheating 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535166
Mfg#:
058121350
In Stock
$58.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Supply

ES#3448652 - 058121497B - Turbo Coolant Hose - Supply - Connects the turbocharger to the connection flange - Rein - Audi Volkswagen

Connects the turbocharger to the connection flange 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with AEB or ATW engine codes only.

Brand:
Rein - Corporate Logo
ES#:
3448652
Mfg#:
058121497B
In Stock
ON SALE!
$36.99

This product was last offered at the strikethrough price on
06-25-2026

$35.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2580975 - 8D0121403LKT - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Genuine Volkswagen Audi - Audi Volkswagen

Install a brand new expansion tank with a new cap and hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2580975
Mfg#:
8D0121403LKT
Ships in 1 day
$174.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Supply

ES#280023 - 06B121497F - Turbo Coolant Hose - Supply - Connects the turbocharger to the connection flange - Genuine Volkswagen Audi - Audi Volkswagen

Connects the turbocharger to the connection flange For vehicles with AUG or AWM engine codes only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280023
Mfg#:
06B121497F
In Stock
Limited Qty Sale
$261.11

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

$170.99 USD
Free Shipping
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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