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Volkswagen MK4 Engine Cooling Parts

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Water Pump - With Metal Impeller

Keep your coolant flowing to prevent overheating 10X Entries For Our 25th Anniversary 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

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. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3477550
Mfg#:
059919501
Special Order: No Guaranteed ETA
$13.99 USD
Free Shipping
on orders $49 and up

Auxiliary Water Pump

ES#3971031 - 251965561B - Auxiliary Water Pump - Electric water pump - Meyle - Volkswagen

Electric water pump 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with VIN up to 9M-X-999 000 only, split is in the 1999 model year

Brand:
Meyle - Corporate Logo
ES#:
3971031
Mfg#:
251965561B
Special Order: No Guaranteed ETA
$58.99 USD
Free Shipping
on orders $49 and up
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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with VIN up to 1J-X-800000, split is in the 1999 model year, vehicles with 10 pin connectors only

Brand:
Meyle - Corporate Logo
ES#:
3971029
Mfg#:
1J0919506E
Special Order: No Guaranteed ETA
$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

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

Attaches to flange on the cylinder head 2X Entries For Our 25th Anniversary 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
Special Order: No Guaranteed ETA
$7.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87°C

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

Bring your car to operating temperature. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4326781
Mfg#:
068121113H
Special Order: No Guaranteed ETA
$12.99 USD
Free Shipping
on orders $49 and up

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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 1J-X-000001 up to 1J-X-800000, splits are in 1999 model year, vehicles with 14 pin connectors only

Brand:
Meyle - Corporate Logo
ES#:
3971032
Mfg#:
1J0919506G
Special Order: No Guaranteed ETA
$123.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose

ES#4900732 - 1J0122157EM - Heater Core Hose - From cylinder head coolant flange to passenger side of the heater core - Meyle - Volkswagen

From cylinder head coolant flange to passenger side of the heater core 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900732
Mfg#:
1J0122157EM
Special Order: No Guaranteed ETA
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange -

ES#1831886 - 06A121132AP - Coolant Flange - - Located on the driver side of the cylinder head, this pipe houses the coolant tempature sensor - Meyle - Audi Volkswagen

Located on the driver side of the cylinder head, this pipe houses the coolant tempature sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission or 4-speed automatic transmission only

Brand:
Meyle - Corporate Logo
ES#:
1831886
Mfg#:
06A121132AP
Special Order: No Guaranteed ETA
$9.99 USD
Free Shipping
on orders $49 and up

Radiator Fan Control Module

ES#3971037 - 1J0919506N - Radiator Fan Control Module - Controls fan function of your main cooling fan - Meyle - Volkswagen

Controls fan function of your main cooling fan 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3971037
Mfg#:
1J0919506N
Special Order: No Guaranteed ETA
$110.99 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. 2X Entries For Our 25th Anniversary 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
Special Order: No Guaranteed ETA
$5.34 USD
Free Shipping
on orders $49 and up

Radiator Hose - Upper

From the coolant flange to radiator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4328454
Mfg#:
1J0122101AP
Special Order: No Guaranteed ETA
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

Secondary pump for more efficient cooling 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with 5-speed automatic transmission only

Brand:
Bremmen Parts - Corporate Logo
ES#:
5492052
Mfg#:
078965561
Ships on Jan 18, 2027
Auto Notify
$79.99 USD
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit With Black ECS Water Pipe

ES#2770834 - MKIV12VCOOLKT3 - ECS Cooling System Refresh Kit With Black ECS Water Pipe - This comprehensive kit eliminates weak spots in your cooling system and replaces them with performance options. - Assembled By ECS - Volkswagen

This comprehensive kit eliminates weak spots in your cooling system and replaces them with performance options. 10X Entries For Our 25th Anniversary Sweepstakes!
See description for installation notes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2770834
Mfg#:
MKIV12VCOOLKT3
Back Ordered
$764.99 USD
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit

ES#2765678 - 1J0121253ADKT8 - 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 For Our 25th Anniversary Sweepstakes!
For vehicles with automatic transmission from the 2002 model year and ALH engine code

Brand:
Assembled By ECS - Corporate Logo
ES#:
2765678
Mfg#:
1J0121253ADKT8
Back Ordered
ON SALE!
$511.99

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

$505.55 USD
This product is lifetime replacement eligible Partial 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.

Let us help you find the parts that fit your Volkswagen

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Manufacturer names and/or part numbers are used only for identification purposes.

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