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Volkswagen Engine Coolant Flanges & Parts

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Sealing O-Ring - Priced Each

ES#4057465 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Victor Reinz - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with BRM engine code only

Brand:
Victor Reinz - Corporate Logo
ES#:
4057465
Mfg#:
N90316802
Ships in 2 Business Days
$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

Thermostat Housing

ES#2631520 - 078121121K - Thermostat Housing - Located on the front right of the engine block - Vaico - Audi Volkswagen

Located on the front right of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 3B-1-050 001 only, split is in the 2001 model year

Brand:
Vaico - Corporate Logo
ES#:
2631520
Mfg#:
078121121K
Special Order: No Guaranteed ETA
$77.40

This product was last offered at the strikethrough price on
01-29-2026

$73.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#4765838 - 07K121133E - Coolant Flange - Located on the driver side of the cylinder head - URO - Audi Volkswagen

Located on the driver side of the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4765838
Mfg#:
07K121133E
Back Ordered
Auto Notify
$7.99 USD
Free Shipping
on orders $49 and up

SCREW

ES#2589657 - N90737107 - SCREW - Genuine Volkswagen Audi - Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2589657
Mfg#:
N90737107
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#469541 - N90303403 - Thermostat O-Ring - Recommended to be replaced when replacing a thermostat. M65x3 - Genuine Volkswagen Audi - Volkswagen

Recommended to be replaced when replacing a thermostat. M65x3 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469541
Mfg#:
N90303403
In Stock
ON SALE! SAVE 11%
$9.99

This product was last offered at the strikethrough price on
06-25-2026

$8.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Pipe Adaptor

ES#2709095 - 021121133D - Cooling Pipe Adaptor - Cooling pipe adaptor from crack pipe to thermostat housing - URO - Volkswagen

Cooling pipe adaptor from crack pipe to thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709095
Mfg#:
021121133D
In Stock
$3.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

T-Fitting Coolant Flange

ES#297302 - 1C0121087E - T-Fitting Coolant Flange - OEM replacement - Genuine Volkswagen Audi - Volkswagen

OEM replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
297302
Mfg#:
1C0121087E
Ships in 4 Business Days
10% off MSRP

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

$38.99

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

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Glow Plug - Priced Each

ES#2902867 - N10302102 - Coolant Glow Plug - Priced Each - 3 required - Vemo - Volkswagen

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

Brand:
Vemo - Corporate Logo
ES#:
2902867
Mfg#:
N10302102
Ships in 1 Business Day
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2737984 - 06K121132 - Coolant Flange - Connects to hose from water pipe - Genuine Volkswagen Audi - Volkswagen

Connects to hose from water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737984
Mfg#:
06K121132
Ships in 2 Business Days
11% off MSRP

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

$36.99

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

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O Ring

ES#2737449 - WHT005558 - O Ring - Genuine Volkswagen Audi - Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737449
Mfg#:
WHT005558
In Stock
Limited Qty Sale
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Y Flange

ES#4348606 - Aut-mk4-cf2 - Billet Y Flange - Billet Y flange. Eliminate the fail prone plastic flange located by the coolant reservoir. - Autobahn Autoworx - Volkswagen

Billet Y flange. Eliminate the fail prone plastic flange located by the coolant reservoir. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4348606
Mfg#:
AUT-MK4-CF2
Special Order: No Guaranteed ETA
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Distribution Pipe

ES#269558 - 022121050A - Water Distribution Pipe - Pipe from back of water pump to thermostat housing, located under intake manifold. Commonly referred to as the crack pipe. - Genuine Volkswagen Audi - Volkswagen

Pipe from back of water pump to thermostat housing, located under intake manifold. Commonly referred to as the crack pipe. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 3.2L engine only (2004-2006)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
269558
Mfg#:
022121050A
Ships in 4 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.

$67.99

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

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe Kit

ES#3546691 - 03h121091KT - Coolant Pipe Kit - Includes gasket and hardware - Genuine Volkswagen Audi - Volkswagen

Includes gasket and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3546691
Mfg#:
03H121091KT
Ships in 1-2 days
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Coolant Pipe

ES#5446936 - 03H121145A-AL - Aluminum Coolant Pipe - Hose connection found on the back of the block - Hamburg Tech - Volkswagen

Hose connection found on the back of the block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hamburg Tech - Corporate Logo
ES#:
5446936
Mfg#:
03H121145A-AL
In Stock at Vendor
$30.99 USD

Coolant Pipe "Crack Pipe"

ES#4465367 - 021121050E - Coolant Pipe "Crack Pipe" - Pipe from back of water pump to thermostat housing, goes under intake manifold - Dorman - Volkswagen

Pipe from back of water pump to thermostat housing, goes under intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
4465367
Mfg#:
021121050E
In Stock at Vendor
$61.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Pipe Adaptor

ES#268981 - 021121133D - Cooling Pipe Adaptor - Cooling pipe adaptor from crack pipe to thermostat housing - Genuine Volkswagen Audi - Volkswagen

Cooling pipe adaptor from crack pipe to thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
268981
Mfg#:
021121133D
Back Ordered
Auto Notify
6% off MSRP

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

$63.99

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

$59.99 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!

Other Volkswagen Engine Coolant Flanges & Parts

Let us help you find the parts that fit your Volkswagen

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