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Volkswagen Golf III VR6 12v Engine Coolant Flanges & Parts

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ECS Billet 12v Water Pipe - Silver

ES#2807185 - 003244ECS0102 - ECS Billet 12v Water Pipe - Silver - Bypass pipe located underneath intake manifold. Designed to be the last water pipe you'll need to replace. - ECS - Volkswagen

Bypass pipe located underneath intake manifold. Designed to be the last water pipe you'll need to replace. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2807185
Mfg#:
003244ECS0102
In Stock
ON SALE!
$132.99

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

$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Billet 12v Water Pipe - Black

ES#2807186 - 003244ECS0101 - ECS Billet 12v Water Pipe - Black - Bypass pipe located underneath intake manifold. Designed to be the last water pipe you'll need to replace. - ECS - Volkswagen

Bypass pipe located underneath intake manifold. Designed to be the last water pipe you'll need to replace. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2807186
Mfg#:
003244ECS0101
In Stock
ON SALE! SAVE 10%
$129.99

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

$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Thermostat Housing Kit

ES#3553464 - 462-121-vr-aaaKT - Cast Aluminum Thermostat Housing Kit - Replace your inferior plastic housings - iABED Industries - Volkswagen

Replace your inferior plastic housings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
iABED Industries - Corporate Logo
ES#:
3553464
Mfg#:
462-121-VR-AAAKT
Back Ordered
Auto Notify
$278.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Thermostat Housing Cover

ES#4500405 - 462-121-VR31AB - Billet Aluminum Thermostat Housing Cover - Replace your inferior plastic housing cover - iABED Industries - Volkswagen

Replace your inferior plastic housing cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
iABED Industries - Corporate Logo
ES#:
4500405
Mfg#:
462-121-VR31AB
In Stock
$81.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#2581848 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Elring - Audi Volkswagen

O-Ring between thermostat housing and cylinder head 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#:
2581848
Mfg#:
021121119A
In Stock
$4.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#2394 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Victor Reinz - Audi Volkswagen

O-Ring between thermostat housing and cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2394
Mfg#:
021121119A
In Stock at Vendor
$10.99

This product was last offered at the strikethrough price on
04-28-2026

$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#1848432 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1848432
Mfg#:
N90136802
In Stock
10% off MSRP

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

$7.80

This product was last offered at the strikethrough price on
06-08-2026

$7.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#467487 - N10139201 - O-Ring - Priced Each - O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 - Genuine Volkswagen Audi - 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
Used to seal water pipe adapter to thermostat housing, one required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467487
Mfg#:
N10139201
In Stock
41% off MSRP

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

$6.72

This product was last offered at the strikethrough price on
06-08-2026

$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Thermostat Housing

ES#3553455 - 462-121-VR37A - Cast Aluminum Thermostat Housing - Replace your inferior plastic housing - iABED Industries - Volkswagen

Replace your inferior plastic housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
iABED Industries - Corporate Logo
ES#:
3553455
Mfg#:
462-121-VR37A
Back Ordered
Auto Notify
$139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2812860 - 021121117A - Thermostat Housing - Located on the drivers side of the engine. O-rings sold separately. - Hamburg Tech - Volkswagen

Located on the drivers side of the engine. O-rings sold separately. 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#:
2812860
Mfg#:
021121117A
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#268978 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

O-Ring between thermostat housing and cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
268978
Mfg#:
021121119A
Ships in 1-3 days
35% off MSRP

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

$13.73

This product was last offered at the strikethrough price on
06-08-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#4197 - N10139201 - O-Ring - Priced Each - O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 - Rein - 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
We Price Match - Give Us A Call or Chat!
Used to seal water pipe adapter to thermostat housing, one required

Brand:
Rein - Corporate Logo
ES#:
4197
Mfg#:
N10139201
In Stock
$4.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#469946 - N90476201 - Bolt - Priced Each - Use new hardware with your new parts. M6x85 - Genuine Volkswagen Audi - Volkswagen

Use new hardware with your new parts. M6x85 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469946
Mfg#:
N90476201
In Stock
40% off MSRP

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

$14.99

This product was last offered at the strikethrough price on
06-08-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#11800 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Febi - Audi BMW Volkswagen

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

Brand:
Febi - Corporate Logo
ES#:
11800
Mfg#:
N90136802
In Stock
$1.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2594504 - 021121117A - Thermostat Housing - Located on the drivers side of the engine, does not include required o-rings - URO - Volkswagen

Located on the drivers side of the engine, does not include required o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2594504
Mfg#:
021121117A
Ships in 1 Business Day
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug Kit - Priced Each

ES#2535191 - 357121140 - Coolant Flange Plug Kit - Priced Each - Includes the plug, o-ring and securing clip - URO - Audi Volkswagen

Includes the plug, o-ring and securing clip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535191
Mfg#:
357121140
In Stock
$1.71 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!

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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