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Audi S4 Engine Coolant Flanges & Parts

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Thermostat Housing

ES#8692 - 074121121B - Thermostat Housing - Located behind water pump housing - MTC - Audi Volkswagen

Located behind water pump housing

Brand:
MTC - Corporate Logo
ES#:
8692
Mfg#:
074121121B
Ships in 9 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2708530 - 074121121B - Thermostat Housing - Located behind water pump housing - URO - Audi Volkswagen

Located behind water pump housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708530
Mfg#:
074121121B
Ships in 1 Business Day
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Gasket

ES#5340238 - 06E121139H - Coolant Flange Gasket - Seals the coolant flange to the engine block - Elring - Audi

Seals the coolant flange to the engine block 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340238
Mfg#:
06E121139H
Ships on Nov 24, 2026
$5.99

This product was last offered at the strikethrough price on
10-21-2026

$5.79 USD
Free Shipping
on orders $49 and up

O-Ring - Priced Each

ES#5340526 - N90560701 - O-Ring - Priced Each - 30x5 - Ensure a proper seal with a new o-ring - Elring - Audi

30x5 - Ensure a proper seal with a new o-ring 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340526
Mfg#:
N90560701
Ships on Nov 24, 2026
$2.99

This product was last offered at the strikethrough price on
10-23-2026

$2.45 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 Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340689
Mfg#:
N90136802
Ships on Nov 24, 2026
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Pipe Gasket

2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340895
Mfg#:
06M121437E
Ships on Nov 24, 2026
$4.99 USD
Free Shipping
on orders $49 and up

VW | Coolant Flange

ES#4859633 - 06E121161BB - VW | Coolant Flange - Vaico - Audi

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4859633
Mfg#:
06E121161BB
Special Order: No Guaranteed ETA
$108.99 USD
Free Shipping
on orders $49 and up

Coolant Shut Off Valve

Controls the circulation of coolant within the engine via vacuum

Brand:
Vemo - Corporate Logo
ES#:
4845447
Mfg#:
06M121678H
Special Order: No Guaranteed ETA
$130.99 USD
Free Shipping
on orders $49 and up

Cylinder Head Coolant Pipe With Gaskets

ES#3622462 - 079121071aaKT - Cylinder Head Coolant Pipe With Gaskets - This hard pipe is the coolant supply pipe for the cylinder heads - Includes gaskets - Genuine Volkswagen Audi - Audi

This hard pipe is the coolant supply pipe for the cylinder heads - Includes gaskets From VIN 8E-4-189001, split is in the 2004 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3622462
Mfg#:
079121071AAKT
Back Ordered
$935.99

This product was last offered at the strikethrough price on
08-31-2026

$901.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VAG | Radiator Hose

ES#4859635 - 06E121546 - VAG | Radiator Hose - Vaico - Audi

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4859635
Mfg#:
06E121546
Special Order: No Guaranteed ETA
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VAG | Radiator Hose

ES#4859634 - 06E121545 - VAG | Radiator Hose - Vaico - Audi

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4859634
Mfg#:
06E121545
Special Order: No Guaranteed ETA
$7.99 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 Audi

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