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Volkswagen MK5 Engine Coolant Flanges & Parts

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O-Ring - Priced Each

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

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

Sensor Retaining Clip - Priced Each

ES#2586934 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Rein - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2586934
Mfg#:
032121142
Ships in 4 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#285951 - 07K121119A - Thermostat O-Ring - Recommended to be replaced when replacing a thermostat. 63x3mm - Genuine Volkswagen Audi - Volkswagen

Recommended to be replaced when replacing a thermostat. 63x3mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285951
Mfg#:
07K121119A
Ships in 2 Business Days
63% off MSRP

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

$18.99

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

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

Common area for coolant leaks - Located on cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5470765
Mfg#:
06J121132G
Ships in 4 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#3659191 - 07K121119A - Thermostat O-Ring - Recommended to be replaced when replacing a thermostat. 63x3mm - Mahle - Volkswagen

Recommended to be replaced when replacing a thermostat. 63x3mm

Brand:
Mahle - Corporate Logo
ES#:
3659191
Mfg#:
07K121119A
Ships in 1-2 days
$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#2801137 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Meistersatz - Audi Volkswagen

O-Ring between thermostat housing and cylinder head

Brand:
Meistersatz - Corporate Logo
ES#:
2801137
Mfg#:
021121119A
Ships in 4 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#471623 - N91025201 - Hex Bolt - Priced Each - Install new hardware with your new parts. 6x30 - Genuine Volkswagen Audi - Volkswagen

Install new hardware with your new parts. 6x30

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471623
Mfg#:
N91025201
Ships in 1-2 days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#5373591 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Ajusa - Audi Volkswagen

O-Ring between thermostat housing and cylinder head

Brand:
Ajusa - Corporate Logo
ES#:
5373591
Mfg#:
021121119A
Ships in 4 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer

ES#5373894 - 07K121149 - Sealing Washer - Used with coolant flange and thrust ring to create a leak free seal - Meistersatz - Audi Volkswagen

Used with coolant flange and thrust ring to create a leak free seal

Brand:
Meistersatz - Corporate Logo
ES#:
5373894
Mfg#:
07K121149
Ships in 4 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

Located on the driver side of the cylinder head

Brand:
Gates - Corporate Logo
ES#:
4849653
Mfg#:
07K121133E
In Stock at Vendor
$61.99

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

$60.99 USD
Free Shipping
on orders $49 and up

Coolant Flange

Located on the driver side of the cylinder head

Brand:
MotoRad
ES#:
4849657
Mfg#:
07K121133E
In Stock at Vendor
$42.99

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

$41.99 USD
Free Shipping
on orders $49 and up

Thermostat Housing

Common point of failure or leaking for the cooling system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5456694
Mfg#:
022121117C
Ships on Sep 9, 2026
Auto Notify
ON SALE! SAVE 20%
$34.99

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

$27.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer

ES#5340453 - 07K121149 - Sealing Washer - Used with coolant flange and thrust ring to create a leak free seal - Elring - Audi Volkswagen

Used with coolant flange and thrust ring to create a leak free seal 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340453
Mfg#:
07K121149
Special Order: No Guaranteed ETA
ON SALE! SAVE 26%
$3.99

This product was last offered at the strikethrough price on
08-14-2026

$2.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340675
Mfg#:
N90316802
Special Order: No Guaranteed ETA
ON SALE! SAVE 39%
$2.99

This product was last offered at the strikethrough price on
08-14-2026

$1.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

Ensure a proper seal when installing your new thermostat 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340689
Mfg#:
N90136802
Special Order: No Guaranteed ETA
ON SALE! SAVE 52%
$1.99

This product was last offered at the strikethrough price on
08-14-2026

$0.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit

ES#5492870 - 06F121132H - Cooling System Refresh Kit - Plastic coolant flange to cure the infamous rear cylinder head coolant leak, resolve mysterious low-coolant warnings, and keep your VAG 2.0T running at the perfect temperature. - Febi - Audi Volkswagen

Plastic coolant flange to cure the infamous rear cylinder head coolant leak, resolve mysterious low-coolant warnings, and keep your VAG 2.0T running at the perfect temperature. 2X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with BPY engine code only

Brand:
Febi - Corporate Logo
ES#:
5492870
Mfg#:
06F121132H
Special Order: No Guaranteed ETA
$30.99 USD
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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