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Volkswagen Passat Engine Cooling Parts

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Coolant Temperature Sensor

ES#3624900 - 059919501A - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - FAE - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head

Brand:
FAE - Corporate Logo
ES#:
3624900
Mfg#:
059919501A
Ships on Aug 10, 2026
$16.99 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

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

Coolant Temperature Sensor (0-125°C) - 1 Pin

ES#2063813 - 049919501 - Coolant Temperature Sensor (0-125C) - 1 Pin - 1-pin sensor black in color. M10x1 - Meyle - Audi Volkswagen

1-pin sensor black in color. M10x1 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2063813
Mfg#:
049919501
In Stock at Vendor
$10.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2738904 - 8D0121403LKT3 - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Assembled By ECS - Audi Volkswagen

Install a brand new expansion tank with a new cap and hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2738904
Mfg#:
8D0121403LKT3
In Stock
ON SALE!
$51.99

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

$50.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Switch - 2-Pin (84°C-95°C)

ES#3537594 - 191959481 - Fan Switch - 2-Pin (84C-95C) - Mounts on radiator to determine coolant temperature for fan operation - URO - Audi Volkswagen

Mounts on radiator to determine coolant temperature for fan operation 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3537594
Mfg#:
191959481
Ships in 1 Business Day
$10.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#766 - 06A121011L - Water Pump - Featuring a metal impeller - Graf - Audi Volkswagen

Featuring a metal impeller For vehicles with AUG or AWM engine codes only.

Brand:
Graf - Corporate Logo
ES#:
766
Mfg#:
06A121011L
In Stock at Vendor
$49.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#4696212 - 4b0121055f - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Febi - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank 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, with VIN from 8D-Y-120001, split is in the 2000 model year.

Brand:
Febi - Corporate Logo
ES#:
4696212
Mfg#:
4B0121055F
Ships in 1 day
$50.99

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

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump - With Metal Impeller

ES#2526475 - 021121004X - Water Pump - With Metal Impeller - Water pump with metal impeller and o-ring - Geba - Volkswagen

Water pump with metal impeller and o-ring

Brand:
Geba - Corporate Logo
ES#:
2526475
Mfg#:
021121004X
Special Order: No Guaranteed ETA
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Screw - Priced Each

ES#467231 - N10003203 - Screw - Priced Each - Install new hardware with your new parts. 4.8x19 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 4.8x19 Secures the coolant expansion tank to the chassis.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467231
Mfg#:
N10003203
Ships in 1 day
25% off MSRP

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

$2.78

This product was last offered at the strikethrough price on
05-15-2026

$2.09 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

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 We Price Match - Give Us A Call or Chat!
For vehicles with AEB engine code only

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812990
Mfg#:
068117021B
Ships in 1 Business Day
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#3430609 - 06H121113B - Thermostat - Keep your cooling system efficient - Behr - Audi Volkswagen

Keep your cooling system efficient For vehicles with CCTA engine code only

Brand:
Behr - Corporate Logo
ES#:
3430609
Mfg#:
06H121113B
Ships on Aug 6, 2026
$47.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Glow Plug Cable Repair Kit

Electrical connection to coolant glow plug Coolant Glow Plug Harness - 3 required

Brand:
SenCom - Corporate Logo
ES#:
5446466
Mfg#:
20517GKB
Ships on Aug 11, 2026
$23.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#2804529 - 8D1819030B - Heater Core - Stop coolant loss and cure a fogged windshield - OE Aftermarket - Audi Volkswagen

Stop coolant loss and cure a fogged windshield

Brand:
OE Aftermarket - Corporate Logo
ES#:
2804529
Mfg#:
8D1819030B
Ships in 3 Business Days
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor With O-Ring & Clip - 4 Pin

ES#2832 - 078919501BKT - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Blue sensor with square connector. Please check existing sensor color - Vemo - Audi Volkswagen

<font color='blue'>Blue</font> sensor with square connector. Please check existing sensor color For vehicles with VIN up to 3B-X-491,580, split is in the 1999 model year.

Brand:
Vemo - Corporate Logo
ES#:
2832
Mfg#:
078919501BKT
Ships on Nov 12, 2026
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

Located on the driver side of the cylinder head

Brand:
OEM - Corporate Logo
ES#:
4714972
Mfg#:
07K121133E
In Stock at Vendor
$17.99

This product was last offered at the strikethrough price on
03-14-2026

$15.99 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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