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Audi B8/B8.5 S4 Quattro 3.0T

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Audi B8/B8.5 S4 Quattro 3.0T Engine Coolant Flanges & Parts

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Thermostat Hose O-ring

ES#4370055 - 06E121119H - Thermostat Hose O-ring - Seals the coolant pipe to the thermostat housing. 23x28.4x4.5 - Victor Reinz - Audi

Seals the coolant pipe to the thermostat housing. 23x28.4x4.5

Brand:
Victor Reinz - Corporate Logo
ES#:
4370055
Mfg#:
06E121119H
Ships in 5 Business Days
$3.99

This product was last offered at the strikethrough price on
07-09-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#3132778 - 06E121119J - Sealing O-Ring - Priced Each - Seals the coolant flange to the supercharger compressor - Genuine Volkswagen Audi - Audi

Seals the coolant flange to the supercharger compressor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3132778
Mfg#:
06E121119J
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Round Seal - Priced Each

ES#3132779 - 06E121119K - Round Seal - Priced Each - Install a new o-ring for a proper seal. 31.9x3.3x5.3 - Genuine Volkswagen Audi - Audi

Install a new o-ring for a proper seal. 31.9x3.3x5.3

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3132779
Mfg#:
06E121119K
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Gasket

ES#280801 - 06E121139H - Coolant Flange Gasket - Seals the coolant flange to the engine block - Genuine Volkswagen Audi - Audi

Seals the coolant flange to the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280801
Mfg#:
06E121139H
In Stock
30% off MSRP

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

$27.58

This product was last offered at the strikethrough price on
05-12-2026

$19.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#3419388 - 06E121119D - Sealing O-Ring - Priced Each - Seals the coolant flange to the supercharger compressor - Victor Reinz - Audi

Seals the coolant flange to the supercharger compressor

Brand:
Victor Reinz - Corporate Logo
ES#:
3419388
Mfg#:
06E121119D
In Stock
$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 Pipe Sealing Ring - Priced each

ES#5339747 - 06E121119E - Coolant Pipe Sealing Ring - Priced each - found on both ends of the ends of the hard coolant pipe, stop leaking coolant and keep your engine cool - Elring - Audi

found on both ends of the ends of the hard coolant pipe, stop leaking coolant and keep your engine cool 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5339747
Mfg#:
06E121119E
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Supply

ES#3697693 - 06E121045BB - Coolant Pipe - Supply - Main supply pipe that connects to the upper radiator hose and the engine - Vaico - Audi Volkswagen

Main supply pipe that connects to the upper radiator hose and the engine We Price Match - Give Us A Call or Chat!
From the 2013 model year

Brand:
Vaico - Corporate Logo
ES#:
3697693
Mfg#:
06E121045BB
Special Order: No Guaranteed ETA
$228.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Compressor Flange Water Hose - Right

ES#280806 - 06E121546 - Compressor Flange Water Hose - Right - Connects the supercharger flange to the hard water line - Genuine Volkswagen Audi - Audi

Connects the supercharger flange to the hard water line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280806
Mfg#:
06E121546
In Stock
13% off MSRP

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

$15.99

This product was last offered at the strikethrough price on
06-03-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen head Bolt (4mm) - Priced Each

ES#2770175 - N10196103 - Allen head Bolt (4mm) - Priced Each - Install new hardware with your new parts. Black oxide coated, M6x18. - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Install new hardware with your new parts. Black oxide coated, M6x18. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2770175
Mfg#:
N10196103
In Stock
ON SALE! SAVE 25%
$1.99

This product was last offered at the strikethrough price on
07-28-2026

$1.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Compressor Flange Water Hose - Left

ES#280805 - 06E121545 - Compressor Flange Water Hose - Left - Connects the supercharger flange to the hard water line - Genuine Volkswagen Audi - Audi

Connects the supercharger flange to the hard water line

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280805
Mfg#:
06E121545
In Stock
8% off MSRP

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

$12.99

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

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Pipe Kit

ES#5457084 - 06E121045BBKT - Coolant Supply Pipe Kit - Everything you need to fix your broken or leaking supply pipe! - Assembled By ECS - Audi

Everything you need to fix your broken or leaking supply pipe! 10X Entries Into Our F80 M3 Sweepstakes
From the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
5457084
Mfg#:
06E121045BBKT
Ships in 2 Business Days
ON SALE!
$154.99

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

$144.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Flange Gasket

ES#4727688 - 06E121139H - Coolant Flange Gasket - Seals the coolant flange to the engine block - Victor Reinz - Audi

Seals the coolant flange to the engine block

Brand:
Victor Reinz - Corporate Logo
ES#:
4727688
Mfg#:
06E121139H
Back Ordered
$7.99 USD
Free Shipping
on orders $49 and up

Coolant Flange

ES#2742783 - 06E121161BB - Coolant Flange - Located on the front of the engine block - Genuine Volkswagen Audi - Audi

Located on the front of the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2742783
Mfg#:
06E121161BB
Ships in 1 day
7% off MSRP

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

$152.99

This product was last offered at the strikethrough price on
09-07-2026

$141.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Round Seal - Priced Each

ES#3419386 - 06E121119E - Round Seal - Priced Each - Install a new o-ring for a proper seal. 31.9x3.3x5.3 - Victor Reinz - Audi

Install a new o-ring for a proper seal. 31.9x3.3x5.3

Brand:
Victor Reinz - Corporate Logo
ES#:
3419386
Mfg#:
06E121119E
Ships in 1 Business Day
$3.99

This product was last offered at the strikethrough price on
08-26-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#4883350 - 06E121119J - Sealing O-Ring - Priced Each - Seals the coolant flange to the supercharger compressor - Victor Reinz - Audi

Seals the coolant flange to the supercharger compressor

Brand:
Victor Reinz - Corporate Logo
ES#:
4883350
Mfg#:
06E121119J
Ships in 2 Business Days
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Hose O-ring

ES#3419387 - 06E121119C - Thermostat Hose O-ring - Seals the coolant pipe to the thermostat housing. 23x28.4x4.5 - Victor Reinz - Audi

Seals the coolant pipe to the thermostat housing. 23x28.4x4.5

Brand:
Victor Reinz - Corporate Logo
ES#:
3419387
Mfg#:
06E121119C
Ships in 1 Business Day
$3.99

This product was last offered at the strikethrough price on
08-26-2026

$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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Manufacturer names and/or part numbers are used only for identification purposes.

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