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Volkswagen Jetta Engine Coolant Flanges & Parts

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Coolant Flange

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

Connects to hose from water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737984
Mfg#:
06K121132
Ships in 1 day
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
07-20-2026

$32.99 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!

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

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.

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

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

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

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

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

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
07-20-2026

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

Hex Bolt - Priced Each

ES#469440 - N90280904 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x22 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x22

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469440
Mfg#:
N90280904
Ships in 2 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#4070442 - 058121687 - Sealing O-Ring - Priced Each - Seals the coolant flange to the water supply pipe. 31.5x3.65 - DPH - Audi Volkswagen

Seals the coolant flange to the water supply pipe. 31.5x3.65 For vehicles with 5-speed automatic transmissions only

Brand:
DPH - Corporate Logo
ES#:
4070442
Mfg#:
058121687
Ships in 3 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

Coolant Flange

ES#279314 - 06A121132AG - Coolant Flange - Located on the driver side of the cylinder head - Genuine Volkswagen Audi - Volkswagen

Located on the driver side of the cylinder head For vehicles with manual transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279314
Mfg#:
06A121132AG
Ships in 1 day
6% off MSRP

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

$62.99

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

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#466546 - N0147821 - Bolt - Priced Each - Use new hardware with your new parts. M6x25 - Genuine Volkswagen Audi - Volkswagen

Use new hardware with your new parts. M6x25

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466546
Mfg#:
N0147821
In Stock
ON SALE!
$6.99

This product was last offered at the strikethrough price on
06-15-2026

$6.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2677915 - 021121117A - Thermostat Housing - Located on the drivers side of the engine. O-rings sold separately. - Vaico - Volkswagen

Located on the drivers side of the engine. O-rings sold separately. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2677915
Mfg#:
021121117A
In Stock
ON SALE!
$30.99

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

$29.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2535201 - 06A121132Q - 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!
For vehicles with 4-speed automatic or manual transmission from production date 09/01/2000 only

Brand:
URO - Corporate Logo
ES#:
2535201
Mfg#:
06A121132Q
In Stock
$3.61 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

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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