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Volkswagen Jetta III VR6 12v

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Volkswagen Jetta III VR6 12v Engine Cooling Parts

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Auxiliary Water Pump

ES#5425882 - 251965561B - Auxiliary Water Pump - Electric water pump - Bremmen Parts - Volkswagen

Electric water pump 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5425882
Mfg#:
251965561B
In Stock
ON SALE! SAVE 22%
$101.99

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

$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#5373591 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Ajusa - Audi Volkswagen

O-Ring between thermostat housing and cylinder head

Brand:
Ajusa - Corporate Logo
ES#:
5373591
Mfg#:
021121119A
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VR6 12v Thermostat Housing & Cover Refresh Kit

ES#5482688 - 021121121a1KT - VR6 12v Thermostat Housing & Cover Refresh Kit - Stop annoying VR6 coolant leaks. Replace your brittle, warped thermostat housing and matching cover with this direct-fit OEM refresh kit! - Assembled By ECS - Volkswagen

Stop annoying VR6 coolant leaks. Replace your brittle, warped thermostat housing and matching cover with this direct-fit OEM refresh kit! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5482688
Mfg#:
021121121A1KT
Ships in 1 Business Day
$53.99

This product was last offered at the strikethrough price on
08-28-2026

$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CSF Universal Large Single-Pass Cooler

ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. 2X Entries Into Our F80 M3 Sweepstakes
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 3 Business Days
$499.00 USD
Free Shipping

Thermostat - 87C

ES#4810572 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Rein - Audi Volkswagen

Prevent overheating and premature engine wear 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810572
Mfg#:
078121113F
Ships in 3 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#5515726 - 251965561B - Auxiliary Water Pump - Maintain proper coolant circulation through your heater core and secondary cooling loops while protecting your engine against post-shutdown heat soak. - Rein - Volkswagen

Maintain proper coolant circulation through your heater core and secondary cooling loops while protecting your engine against post-shutdown heat soak. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5515726
Mfg#:
251965561B
Ships in 3 Business Days
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#4220573 - 075121113D - Thermostat - 80C - Does not include sealing O-Ring - Rein - Audi Volkswagen

Does not include sealing O-Ring 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4220573
Mfg#:
075121113D
Ships in 3 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

ES#2877909 - 021121050C - Coolant Pipe - Bypass pipe located underneath intake manifold. Also known as the crack pipe. - Vaico - Volkswagen

Bypass pipe located underneath intake manifold. Also known as the crack pipe. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2877909
Mfg#:
021121050C
Ships in 1 Business Day
$17.99 USD
Free Shipping
on orders $49 and up

Oil Cooler Hose - Supply

From oil cooler to plastic bypass pipe

Brand:
Burgaflex - Corporate Logo
ES#:
4349475
Mfg#:
021121058A
Ships in 8 Business Days
$4.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

Does not include sealing O-Ring

Brand:
Meistersatz - Corporate Logo
ES#:
2800945
Mfg#:
075121113D
Ships in 3 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug Kit (Plug, O-Ring & Clip)

Seal off unused coolant temperature sensor ports or auxiliary distribution outlets on your water flange with this complete repair kit. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803315
Mfg#:
037298132B
Ships in 3 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

Located inside the dash

Brand:
ACM - Corporate Logo
ES#:
4066871
Mfg#:
1H1819031B
Ships in 1 day
$55.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87�C

Prevent overheating and premature engine wear

Brand:
Hudson - Corporate Logo
ES#:
3139067
Mfg#:
078121113FOE
Ships in 1 day
$15.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

Blue sensor used by the ECU to control engine fueling

Brand:
MTC - Corporate Logo
ES#:
2090796
Mfg#:
025906041
Ships in 9 Business Days
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

From oil cooler to plastic bypass pipe

Brand:
Gates - Corporate Logo
ES#:
3234664
Mfg#:
021121058A
Ships on Nov 5, 2026
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87�C

Prevent overheating and premature engine wear

Brand:
Gates - Corporate Logo
ES#:
3234891
Mfg#:
078121113F
Ships on Nov 5, 2026
$24.99 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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