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Volkswagen Jetta IV TDI Engine Cooling Parts

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Cooling System Flush Kit

ES#2784778 - CO0LANTFLUSHKT1 - Cooling System Flush Kit - Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. - Assembled By ECS - Audi Volkswagen

Keep your cooling system working at its best by keeping it clean and free of rust and scale deposits. Includes new expansion tank cap, flush treatment & G13 coolant. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2784778
Mfg#:
CO0LANTFLUSHKT1
In Stock
ON SALE! SAVE 10%
$59.99

This product was last offered at the strikethrough price on
06-16-2026

$54.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Cooler

ES#2772 - 068117021B - Oil Cooler - Common source of undiscoverable coolant leaks - Vemo - Audi Volkswagen

Common source of undiscoverable coolant leaks For vehicles with ALH engine code only

Brand:
Vemo - Corporate Logo
ES#:
2772
Mfg#:
068117021B
Ships in 2 Business Days
$72.99

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

$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#5341447 - 1J0919506K - Auxiliary Fan Control Unit - 1 large 4 pin connector and 1 small 14 pin connector - Bremmen Parts - Audi Volkswagen

1 large 4 pin connector and 1 small 14 pin connector 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with VIN from 9M-Y-000 001 only, split is in the 2000 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
5341447
Mfg#:
1J0919506K
In Stock
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
09-08-2026

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

Coolant Flange Sealing O-Ring - Priced Each

ES#274529 - 037121687 - Coolant Flange Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Genuine Volkswagen Audi - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15 Seal between coolant flanges

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274529
Mfg#:
037121687
In Stock
30% off MSRP

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

$7.08

This product was last offered at the strikethrough price on
09-08-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#4818658 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Bremmen Parts - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818658
Mfg#:
5Q0121321
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring - Priced Each

ES#2865801 - 038121119B - Thermostat O-Ring - Priced Each - Recommended when changing the thermostat - Febi - Audi Volkswagen

Recommended when changing the thermostat We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865801
Mfg#:
038121119B
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 Thermostat Housing

ES#3553337 - 462-121-121TD - Cast Aluminum Thermostat Housing - Common point of failure for the cooling system - iABED Industries - Volkswagen

Common point of failure for the cooling system For vehicles with ALH engine code only

Brand:
iABED Industries - Corporate Logo
ES#:
3553337
Mfg#:
462-121-121TD
Back Ordered
Auto Notify
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3476110 - 1J0121253AD - Radiator - Factory OE replacement 2-row radiator - Modine - Audi Volkswagen

Factory OE replacement 2-row radiator

Brand:
Modine - Corporate Logo
ES#:
3476110
Mfg#:
1J0121253AD
Back Ordered
$204.99

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

$198.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

ES#275115 - 038121065BF - Coolant Pipe - Large water pipe that connects to various hoses - Genuine Volkswagen Audi - Volkswagen

Large water pipe that connects to various hoses For vehicles with BEW engine code and automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275115
Mfg#:
038121065BF
Ships in 9 Business Days
7% off MSRP

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

$206.99

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

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

Coolant Hose

ES#307204 - 1J0121109C - Coolant Hose - Connects water pipe to lower port of expansion tank - Genuine Volkswagen Audi - Volkswagen

Connects water pipe to lower port of expansion tank For vehicles with ALH engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307204
Mfg#:
1J0121109C
Back Ordered
Auto Notify
7% 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
08-31-2026

$190.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#4810083 - 1J0122073A - Coolant Hose - Rein - Volkswagen

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810083
Mfg#:
1J0122073A
Back Ordered
ON SALE!
$39.99

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

$37.99 USD
Free Shipping
on orders $49 and up

Auxiliary Fan Control Unit

ES#5432880 - 1J0919506E - Auxiliary Fan Control Unit - 1 large 4 pin connector and 1 small 10 pin connector - Bremmen Parts - Audi Volkswagen

1 large 4 pin connector and 1 small 10 pin connector 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with a 10 pin connector with VIN up to 9M-X-999 000 only, split is in the 1999 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
5432880
Mfg#:
1J0919506E
In Stock
$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit - Complete Assembly

ES#2575928 - 1J01000-2 - Expansion Tank Replacement Kit - Complete Assembly - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit. - Genuine Volkswagen Audi - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2575928
Mfg#:
1J01000-2
Ships in 1-2 days
$98.99

This product was last offered at the strikethrough price on
09-03-2026

$92.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#2814378 - 1J0919506K - Auxiliary Fan Control Unit - 1 large 4 pin connector and 1 small 14 pin connector - Hamburg Tech - Audi Volkswagen

1 large 4 pin connector and 1 small 14 pin connector We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 9M-Y-000 001 only, split is in the 2000 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814378
Mfg#:
1J0919506K
In Stock at Vendor
$36.99 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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