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Volkswagen Jetta IV TDI Engine Cooling Parts

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Cooling System Refresh Kit

ES#3477492 - 1J0121253AD0KT - Cooling System Refresh Kit - The most common failure points in your cars cooling system - Assembled By ECS - Volkswagen

The most common failure points in your cars cooling system 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with manual transmission up through the 2001 model year with ALH engine code with green cool

Brand:
Assembled By ECS - Corporate Logo
ES#:
3477492
Mfg#:
1J0121253AD0KT
Ships on Sep 25, 2026
ON SALE! SAVE 11%
$688.99

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

$611.42 USD
This product is lifetime replacement eligible Partial Replacement

Early Model Coolant Temperature Sensor

ES#3477550 - 059919501 - Early Model Coolant Temperature Sensor - Updated green 4 pin sensor, replaces old blue sensors. For vehicles with square connector. - Meyle - Volkswagen

Updated green 4 pin sensor, replaces old blue sensors. For vehicles with square connector. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3477550
Mfg#:
059919501
Ships on Sep 25, 2026
$13.99 USD
Free Shipping
on orders $49 and up

Thermostat - 87°C

ES#4326781 - 068121113H - Thermostat - 87C - Bring your car to operating temperature. - Meyle - Audi Volkswagen

Bring your car to operating temperature. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4326781
Mfg#:
068121113H
Ships on Sep 25, 2026
$12.99 USD
Free Shipping
on orders $49 and up

Coolant Flange

ES#3970371 - 044121144B - Coolant Flange - Attaches to flange on the cylinder head - Meyle - Volkswagen

Attaches to flange on the cylinder head 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with BEW engine code and automatic transmission only

Brand:
Meyle - Corporate Logo
ES#:
3970371
Mfg#:
044121144B
Ships on Sep 25, 2026
$7.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#3971029 - 1J0919506E - Auxiliary Fan Control Unit - 1 large 4 pin connector and 1 small 10 pin connector - Meyle - Audi Volkswagen

1 large 4 pin connector and 1 small 10 pin connector 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with a 10 pin connector with VIN up to 9M-X-999 000 only, split is in the 1999 model year

Brand:
Meyle - Corporate Logo
ES#:
3971029
Mfg#:
1J0919506E
Ships on Sep 25, 2026
$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#3971032 - 1J0919506G - Auxiliary Fan Control Unit - 1 large 4 pin connector and 1 small 14 pin connector - Meyle - Volkswagen

1 large 4 pin connector and 1 small 14 pin connector 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with a 14 pin connector with VIN up to 9M-X-999 000 only, split is in the 1999 model year

Brand:
Meyle - Corporate Logo
ES#:
3971032
Mfg#:
1J0919506G
Ships on Sep 25, 2026
$123.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#3970165 - 038121121 - Thermostat Housing - Common point of failure or leaking for the cooling system on your TDI. - Meyle - Volkswagen

Common point of failure or leaking for the cooling system on your TDI. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with ALH engine code only

Brand:
Meyle - Corporate Logo
ES#:
3970165
Mfg#:
038121121
Ships on Sep 25, 2026
$5.34 USD
Free Shipping
on orders $49 and up

Auxiliary Fan Control Unit

ES#3235540 - 1J0919506G - Auxiliary Fan Control Unit - 1 large 4 pin connector and 1 small 14 pin connector - Gates - Volkswagen

1 large 4 pin connector and 1 small 14 pin connector For vehicles with a 14 pin connector with VIN up to 9M-X-999 000 only, split is in the 1999 model year

Brand:
Gates - Corporate Logo
ES#:
3235540
Mfg#:
1J0919506G
Ships on Sep 29, 2026
$202.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3109965 - 038121011A - Water Pump - Featuring a metal impeller, includes O-Ring - Gates - Volkswagen

Featuring a metal impeller, includes O-Ring For vehicles with ALH engine code only

Brand:
Gates - Corporate Logo
ES#:
3109965
Mfg#:
038121011A
Ships on Sep 29, 2026
$80.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

1 large 4 pin connector and 1 small 14 pin connector For vehicles with VIN from 9M-Y-000 001 only, split is in the 2000 model year

Brand:
Gates - Corporate Logo
ES#:
3235541
Mfg#:
1J0919506K
Ships on Sep 29, 2026
$135.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

Runs from cooling flange to radiator For vehicles with automatic transmission up to 2001 model year

Brand:
Gates - Corporate Logo
ES#:
3235516
Mfg#:
1J0122101D
Ships on Sep 29, 2026
$112.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring

ES#5340472 - 037121688 - Sealing O-Ring - For left cylinder head cooling flange (50x3.15) - Elring - Volkswagen

For left cylinder head cooling flange (50x3.15) 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340472
Mfg#:
037121688
Special Order: No Guaranteed ETA
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler O-Ring

ES#5340490 - 038117070 - Oil Cooler O-Ring - O-Ring between cover & oil cooler. 62.8mm - Elring - Volkswagen

O-Ring between cover & oil cooler. 62.8mm 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340490
Mfg#:
038117070
Special Order: No Guaranteed ETA
$3.99 USD
Free Shipping
on orders $49 and up

Coolant Pipe O-Ring - Priced Each

ES#5339896 - N90765301 - Coolant Pipe O-Ring - Priced Each - Elring - Audi Volkswagen

2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5339896
Mfg#:
N90765301
Special Order: No Guaranteed ETA
$1.99 USD
Free Shipping
on orders $49 and up

Sealing O-Ring - Priced Each

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340675
Mfg#:
N90316802
Special Order: No Guaranteed ETA
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump - With Metal Impeller

Keep your coolant flowing to prevent overheating 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with BEW engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
5491552
Mfg#:
038121011G
Ships on Nov 19, 2026
Auto Notify
$59.99 USD
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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