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Volkswagen Jetta Engine Coolant Flanges & Parts

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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 3 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2535114 - 037121121A - Thermostat Housing - Common point of failure or leaking for the cooling system, does not include O-Rings - URO - Audi Volkswagen

Common point of failure or leaking for the cooling system, does not include O-Rings 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535114
Mfg#:
037121121A
Ships on Aug 6, 2026
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#3970372 - 068121132 - Coolant Flange - Common point of failure in MKII models - Meyle - Volkswagen

Common point of failure in MKII models 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970372
Mfg#:
068121132
Ships on Nov 27, 2026
$7.53 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 day
$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 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2535195 - 037121132E - Coolant Flange - Located on the front side of the cylinder head - URO - Volkswagen

Located on the front side of the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
ACC Engine code only

Brand:
URO - Corporate Logo
ES#:
2535195
Mfg#:
037121132E
Ships in 1 Business Day
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Flange Kit

ES#2093824 - 037198132B - Cooling Flange Kit - Located on the front side of the cylinder head - MTC - Volkswagen

Located on the front side of the cylinder head For model years 1989 - 1992 only

Brand:
MTC - Corporate Logo
ES#:
2093824
Mfg#:
037198132B
Ships in 9 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange O-Ring

ES#2872958 - N90295401 - Coolant Flange O-Ring - Seals the breather assembly to the engine block (29.2x3) - Febi - Volkswagen

Seals the breather assembly to the engine block (29.2x3) 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872958
Mfg#:
N90295401
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

Sealing O-Ring - Priced Each

ES#4070443 - 058121687 - Sealing O-Ring - Priced Each - Seals the coolant flange to the water supply pipe. 31.5x3.65 - Rein - Audi Volkswagen

Seals the coolant flange to the water supply pipe. 31.5x3.65 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with 5-speed automatic transmissions only

Brand:
Rein - Corporate Logo
ES#:
4070443
Mfg#:
058121687
Ships in 1 Business Day
$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

Coolant Flange

ES#2535192 - 026121144E - Coolant Flange - Located on the driver side of the cylinder head - URO - Audi Volkswagen

Located on the driver side of the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535192
Mfg#:
026121144E
Ships in 1 Business Day
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adapter - Thermostat to Water Pump Housing

ES#2878144 - 037121121A - Adapter - Thermostat to Water Pump Housing - Vaico - Audi Volkswagen

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2878144
Mfg#:
037121121A
In Stock at Vendor
$5.99

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

$4.99 USD

Cooling Flange

ES#2709726 - 037121144J - Cooling Flange - Located on the left side of the cylinder head - URO - Volkswagen

Located on the left side of the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with automatic transmission

Brand:
URO - Corporate Logo
ES#:
2709726
Mfg#:
037121144J
Ships in 1 Business Day
$4.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug Kit - Priced Each

ES#10507 - 357198140 - Coolant Flange Plug Kit - Priced Each - Includes the plug, o-ring and securing clip - Rein - Volkswagen

Includes the plug, o-ring and securing clip 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
10507
Mfg#:
357198140
Ships in 1 Business Day
$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#3587 - 027121145B - Cylinder Head Cooling Flange - Located near the distributor on the side of the head, includes O-Ring - Meyle - Volkswagen

Located near the distributor on the side of the head, includes O-Ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3587
Mfg#:
027121145B
Ships on Nov 27, 2026
$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange O-Ring

ES#3588 - N90295401 - Coolant Flange O-Ring - Seals the breather assembly to the engine block (29.2x3) - Rein - Volkswagen

Seals the breather assembly to the engine block (29.2x3) 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3588
Mfg#:
N90295401
Ships in 5 Business Days
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2535194 - 037121132B - Coolant Flange - Located on the front side of the cylinder head - URO - Volkswagen

Located on the front side of the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For model years 1989 - 1992 only

Brand:
URO - Corporate Logo
ES#:
2535194
Mfg#:
037121132B
Ships in 1 Business Day
$3.99 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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