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Audi C6 A6 Quattro V8 4.2L

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Audi C6 A6 Quattro V8 4.2L Engine Coolant Flanges & Parts

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Integrated Thermostat Housing Assembly

ES#4900436 - 946-189 - Integrated Thermostat Housing Assembly - Includes thermostat and housing. - MotoRad - Audi

Includes thermostat and housing. Engine code BNK (05-06)

Brand:
MotoRad
ES#:
4900436
Mfg#:
946-189
In Stock at Vendor
$504.63

This product was last offered at the strikethrough price on
02-16-2026

$484.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Pipe

ES#284780 - 079121071AA - Cylinder Head Coolant Pipe - This hard pipe is the coolant supply pipe for the cylinder heads - Genuine Volkswagen Audi - Audi

This hard pipe is the coolant supply pipe for the cylinder heads Engine code BNK

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284780
Mfg#:
079121071AA
Ships in 4 Business Days
5% off MSRP

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

$969.99

This product was last offered at the strikethrough price on
07-29-2026

$919.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2535127 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - URO - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535127
Mfg#:
032121142
In Stock
$1.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#284820 - 079121119 - Thermostat Housing Gasket - Must be replaced when replacing the thermostat - Genuine Volkswagen Audi - Audi

Must be replaced when replacing the thermostat Engine code BNK

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284820
Mfg#:
079121119
In Stock
9% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
07-29-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4842639 - 079121115BK - Thermostat - Includes housing - URO - Audi Volkswagen

Includes housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Engine code BVJ (2007+)

Brand:
URO - Corporate Logo
ES#:
4842639
Mfg#:
079121115BK
Ships in 1 Business Day
$96.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Pipe

ES#4039279 - 06E121045E - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Vaico - Audi

Coolant supply pipe for the cylinder heads We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4039279
Mfg#:
06E121045E
In Stock at Vendor
$149.99

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

$145.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#4506137 - 06E121168B - Coolant Flange - Located on the engine block - URO - Audi

Located on the engine block 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4506137
Mfg#:
06E121168B
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#3471603 - 079121115BK - Thermostat - Includes housing - Genuine Volkswagen Audi - Audi Volkswagen

Includes housing Engine code BVJ (2007+)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3471603
Mfg#:
079121115BK
Special Order: No Guaranteed ETA
8% off MSRP

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

$370.99

This product was last offered at the strikethrough price on
07-29-2026

$339.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Integrated Thermostat Housing Assembly

Includes thermostat and housing. Engine code BNK (05-06)

Brand:
Dorman - Corporate Logo
ES#:
4500721
Mfg#:
902-5162
Back Ordered
$292.99

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

$283.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#4940095 - 032121142 - Sensor Retaining Clip - Priced Each - Used for ECS 2.0T boost taps - Bremmen Parts - Audi Volkswagen

Used for ECS 2.0T boost taps 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940095
Mfg#:
032121142
In Stock
ON SALE! SAVE 59%
$1.99

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

$0.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
Ships on Oct 20, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Pipe

Coolant supply pipe for the cylinder heads We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4707503
Mfg#:
06E121045R
In Stock at Vendor
$149.99

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

$145.99 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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