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Volkswagen Passat B3 VR6 12v

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Volkswagen Passat B3 VR6 12v Engine Cooling Parts

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Oil Cooler O-Ring

ES#275103 - 038117070 - Oil Cooler O-Ring - O-Ring between cover & oil cooler. 62.8mm - Genuine Volkswagen Audi - Volkswagen

O-Ring between cover & oil cooler. 62.8mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275103
Mfg#:
038117070
In Stock
21% off MSRP

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

$18.99

This product was last offered at the strikethrough price on
11-02-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#4197 - N10139201 - O-Ring - Priced Each - O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 - Rein - Audi Volkswagen

O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4197
Mfg#:
N10139201
In Stock
$4.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#4232 - 034965561C - Auxiliary Water Pump - Electric water pump - Bosch - Audi Volkswagen

Electric water pump We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4232
Mfg#:
034965561C
Ships in 1 Business Day
$156.71 USD
Free Shipping
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

Brand:
Victor Reinz - Corporate Logo
ES#:
9109
Mfg#:
N0438083
In Stock
$5.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pipe Kit - No Thermostat

ES#2730481 - VR6THKWACSKT - Aluminum Water Pipe Kit - No Thermostat - Complete kit of flanges and pipes, including the long lasting ECS aluminum water pipe in silver - Assembled By ECS - Volkswagen

Complete kit of flanges and pipes, including the long lasting ECS aluminum water pipe in silver 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2730481
Mfg#:
VR6THKWACSKT
Ships in 1 Business Day
ON SALE!
$161.99

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

$151.72 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe Kit - 70� Thermostat

ES#1544 - VR6THKWT 70D - Water Pipe Kit - 70 Thermostat - Complete kit of all cooling flanges and pipes to fix and prevent leaks, including low temperature thermostat - Assembled By ECS - Volkswagen

Complete kit of all cooling flanges and pipes to fix and prevent leaks, including low temperature thermostat 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
1544
Mfg#:
VR6THKWT 70D
Ships in 6 Business Days
ON SALE! SAVE 10%
$80.99

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

$72.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2677915 - 021121117A - Thermostat Housing - Located on the drivers side of the engine. O-rings sold separately. - Vaico - Volkswagen

Located on the drivers side of the engine. O-rings sold separately. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2677915
Mfg#:
021121117A
Ships in 1 Business Day
$48.99

This product was last offered at the strikethrough price on
08-26-2026

$46.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Thermostat Housing

ES#3553455 - 462-121-VR37A - Cast Aluminum Thermostat Housing - Replace your inferior plastic housing - iABED Industries - Volkswagen

Replace your inferior plastic housing

Brand:
iABED Industries - Corporate Logo
ES#:
3553455
Mfg#:
462-121-VR37A
Back Ordered
$139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#11800 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Febi - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
11800
Mfg#:
N90136802
Ships in 6 Business Days
$1.59 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 Into Our F80 M3 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 Fan Belt

ES#3490 - 1H0119137A - Radiator Fan Belt - Small belt that runs from the main fan to the auxiliary fan on cars with dual fans - Continental - Volkswagen Mercedes Benz

Small belt that runs from the main fan to the auxiliary fan on cars with dual fans We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
3490
Mfg#:
1H0119137A
Ships in 2 Business Days
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2627557 - 025906041A - Coolant Temperature Sensor - 2 Pin - Blue sensor used by the ECU to control engine fueling - Rein - Audi Volkswagen

Blue sensor used by the ECU to control engine fueling 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627557
Mfg#:
025906041A
In Stock at Vendor
$9.99

This product was last offered at the strikethrough price on
08-31-2026

$9.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Anti-Freeze Tester

ES#3536250 - EZRSP102 - Anti-Freeze Tester - Don't let your engine freeze, be sure with this easy to use tester - E-Z Red Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Don't let your engine freeze, be sure with this easy to use tester

Brand:
E-Z Red Tools - Corporate Logo
ES#:
3536250
Mfg#:
EZRSP102
Ships in 1 Business Day
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Tester

ES#2696212 - V99-1005 - Coolant Tester - Make sure your coolant is safe from freezing! - Vaico - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Make sure your coolant is safe from freezing! We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2696212
Mfg#:
V99-1005
Back Ordered
$51.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Blue

ES#2764007 - MMFAN12BL - Universal 12" Electric Fan - Blue - 934 CFM - 5.7 amps at 12.3 volts - Mishimoto - BMW Volkswagen MINI

934 CFM - 5.7 amps at 12.3 volts

Brand:
Mishimoto - Corporate Logo
ES#:
2764007
Mfg#:
MMFAN12BL
Ships in 3 Business Days
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#252255 - 1H1819031B - Heater Core - Located inside the dash - Valeo - Volkswagen

Located inside the dash We Price Match - Give Us A Call or Chat!

Brand:
Valeo - Corporate Logo
ES#:
252255
Mfg#:
1H1819031B
Special Order: No Guaranteed ETA
$102.99 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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