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Volkswagen Jetta IV TDI Engine Coolant Flanges & Parts

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Coolant Flange with o-ring

ES#2855444 - 06A121133AH - Coolant Flange with o-ring - Located on the side of the cylinder head - URO - Audi Volkswagen

Located on the 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#:
2855444
Mfg#:
06A121133AH
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#3458240 - 038121121D - Thermostat Housing - Common point of failure for the cooling system on your TDI - URO - Volkswagen

Common point of failure for the cooling system on your TDI 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with BEW engine code only

Brand:
URO - Corporate Logo
ES#:
3458240
Mfg#:
038121121D
Ships in 1 Business Day
$3.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Glow Plug - Priced Each

ES#3613056 - N10302102 - Coolant Glow Plug - Priced Each - 3 required - Bremi - Volkswagen

3 required

Brand:
Bremi - Corporate Logo
ES#:
3613056
Mfg#:
N10302102
Ships in 1 day
$24.99 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

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

Water Distribution Pipe

ES#4883856 - 1J0121087A - Water Distribution Pipe - Plastic 3-way oulet at lower radiator hose - Rein - Audi Volkswagen

Plastic 3-way oulet at lower radiator hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits ALH with Automatic transmission models only.

Brand:
Rein - Corporate Logo
ES#:
4883856
Mfg#:
1J0121087A
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug - Priced Each

ES#333289 - 357121140 - Coolant Flange Plug - Priced Each - Prevent leaks with a new plug - Genuine Volkswagen Audi - Audi Volkswagen

Prevent leaks with a new plug

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
333289
Mfg#:
357121140
In Stock
ON SALE!
$11.99

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

$11.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug Kit - Priced Each

ES#11965 - 357121140 - Coolant Flange Plug Kit - Priced Each - Includes the plug, o-ring and securing clip - MTC - Audi Volkswagen

Includes the plug, o-ring and securing clip

Brand:
MTC - Corporate Logo
ES#:
11965
Mfg#:
357121140
In Stock
ON SALE!
$3.05

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

$2.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#514001 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Victor Reinz - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4

Brand:
Victor Reinz - Corporate Logo
ES#:
514001
Mfg#:
038121119B
In Stock at Vendor
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Glow Plug Cable Repair Kit

Electrical connection to coolant glow plug Coolant Glow Plug Harness. For vehicles with manual transmission only - 3 required

Brand:
SenCom - Corporate Logo
ES#:
5446466
Mfg#:
20517GKB
Ships on Aug 10, 2026
$23.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#275132 - 038121121D - Thermostat Housing - Common point of failure for the cooling system on your TDI - Genuine Volkswagen Audi - Volkswagen

Common point of failure for the cooling system on your TDI For vehicles with BEW engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275132
Mfg#:
038121121D
Ships in 1 day
10% off MSRP

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

$47.99

This product was last offered at the strikethrough price on
07-20-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Sealing O-Ring - Priced Each

ES#2865748 - 037121687 - Coolant Flange Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Febi - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Seal between coolant flanges

Brand:
Febi - Corporate Logo
ES#:
2865748
Mfg#:
037121687
Ships on Oct 15, 2026
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Glow Plug - Priced Each

ES#3613055 - N10302102 - Coolant Glow Plug - Priced Each - 3 required - Meyle - Volkswagen

3 required 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3613055
Mfg#:
N10302102
Back Ordered
$9.17 USD
Free Shipping
on orders $49 and up

Sealing O-Ring - Priced Each

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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Seal between coolant flanges

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

Thermostat O-Ring

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 2X Entries For Our 25th Anniversary Sweepstakes!
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

Water Distribution Pipe

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 2X Entries For Our 25th Anniversary Sweepstakes!
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

Sealing O-Ring - Priced Each

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 Seal between coolant flanges

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

More About Engine Coolant Flanges & Parts

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

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