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Volkswagen MK4 Engine Coolant Flanges & Parts

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ES#3550934 - 037121687 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Elring - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3550934
Mfg#:
037121687
In Stock
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1844027 - 06A121132 - Coolant Flange - Located on the driver side of the cylinder head - Meyle - Volkswagen

Located on the driver side of the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
1844027
Mfg#:
06A121132
In Stock
$9.35

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

$8.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2228834 - 06A121121C - Thermostat Housing - Common point of failure for the cooling system. Does not include O-ring. - Vaico - Audi Volkswagen

Common point of failure for the cooling system. Does not include O-ring. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2228834
Mfg#:
06A121121C
In Stock at Vendor
$6.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2813010 - 06A121132Q - Coolant Flange - Located on the driver side of the cylinder head, this pipe contains the coolant tempature sensor - Hamburg Tech - Audi Volkswagen

Located on the driver side of the cylinder head, this pipe contains the coolant tempature sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission only

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813010
Mfg#:
06A121132Q
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2812861 - 021121121C - Thermostat Housing Cover - Common source of coolant leaks around your thermostat - Hamburg Tech - Volkswagen

Common source of coolant leaks around your thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812861
Mfg#:
021121121C
Ships in 1 Business Day
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2801213 - N10139201 - O-Ring - Priced Each - O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 - Meistersatz - Audi Volkswagen

O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
2801213
Mfg#:
N10139201
In Stock at Vendor
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2469 - 037121687 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Victor Reinz - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2469
Mfg#:
037121687
In Stock at Vendor
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2865914 - 044121144B - Coolant Flange - Attaches to flange on the cylinder head - Febi - Volkswagen

Attaches to flange on the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with BEW engine code and automatic transmission only

Brand:
Febi - Corporate Logo
ES#:
2865914
Mfg#:
044121144B
Ships on Sep 2, 2026
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4872201 - 038121121 - Thermostat Housing - Common point of failure or leaking for the cooling system on your TDI. - URO - Volkswagen

Common point of failure or leaking for the cooling system on your TDI. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with ALH engine code only

Brand:
URO - Corporate Logo
ES#:
4872201
Mfg#:
038121121
Ships in 1 Business Day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4034832 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Elring - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4034832
Mfg#:
038121119B
In Stock at Vendor
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2597925 - 1J0121087A - Water Distribution Pipe - Plastic 3-way oulet at lower radiator hose - URO - Audi Volkswagen

Plastic 3-way oulet at lower radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits ALH with Automatic transmission models only.

Brand:
URO - Corporate Logo
ES#:
2597925
Mfg#:
1J0121087A
Ships in 1 Business Day
$2.99 USD
Free Shipping
on orders $49 and up
ES#472049 - N91151201 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x30 - Genuine Volkswagen Audi - Volkswagen

Install new hardware with your new parts. M6x30 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472049
Mfg#:
N91151201
Ships in 1-2 days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3190032 - 902-707 - Coolant Flange - Located on the driver side of the cylinder head - Dorman - Volkswagen

Located on the driver side of the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 08/31/2000 only

Brand:
Dorman - Corporate Logo
ES#:
3190032
Mfg#:
902-707
Ships in 4 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2535200 - 06A121132 - Coolant Flange - Located on the driver side of the cylinder head - URO - Volkswagen

Located on the driver side of the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 08/31/2000 only

Brand:
URO - Corporate Logo
ES#:
2535200
Mfg#:
06A121132
Ships in 1 Business Day
$5.99

This product was last offered at the strikethrough price on
04-10-2026

$3.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2468 - 037121688 - Sealing O-Ring - For left cylinder head cooling flange (50x3.15) - Victor Reinz - Volkswagen

For left cylinder head cooling flange (50x3.15) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2468
Mfg#:
037121688
Ships in 1-2 days
$5.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2800836 - 37121687 - O-RING (36 X 3.15MM) - Meistersatz - Audi Volkswagen

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
2800836
Mfg#:
37121687
In Stock at Vendor
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Coolant Flanges & Parts

Replace a cracked or failed coolant flange with a brand new coolant flange to stop those leaks!

Let us help you find the parts that fit your Volkswagen

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