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Audi Engine Coolant Lines

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coolant pipe - supply

ES#1598005 - 8K0121071J - coolant pipe - supply - Connects the expansion tank hose to the lower radiator hose - Genuine Volkswagen Audi - Audi

Connects the expansion tank hose to the lower radiator hose

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1598005
Mfg#:
8K0121071J
Ships in 1-2 days
8% off MSRP

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

$227.99

This product was last offered at the strikethrough price on
07-24-2026

$208.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Torx Screw - Priced Each

ES#470820 - N90808203 - Torx Screw - Priced Each - Hex head bolt used in various areas on your European vehicle. 6x18.5 - Genuine Volkswagen Audi - Audi

Hex head bolt used in various areas on your European vehicle. 6x18.5 For vehicles with FSI engines - Secures hard coolant return pipe to thermostat

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470820
Mfg#:
N90808203
In Stock
25% off MSRP

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

$3.99

This product was last offered at the strikethrough price on
07-24-2026

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

Coolant Pipe - Return

ES#280013 - 06B121065AB - Coolant Pipe - Return - Main return pipe that routes to the thermostat and the cylinder head flange - Genuine Volkswagen Audi - Audi

Main return pipe that routes to the thermostat and the cylinder head flange

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280013
Mfg#:
06B121065AB
Ships in 8 Business Days
8% off MSRP

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

$219.99

This product was last offered at the strikethrough price on
07-24-2026

$201.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#4197 - N10139201 - O-Ring - Priced Each - O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 - Rein - Audi Volkswagen

O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4197
Mfg#:
N10139201
In Stock
$4.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder head coolant pipe

ES#1910695 - 079121071BS - Cylinder head coolant pipe - Located behind the engine - Genuine Volkswagen Audi - Audi

Located behind the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1910695
Mfg#:
079121071BS
Ships in 2 Business Days
8% off MSRP

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

$106.99

This product was last offered at the strikethrough price on
07-24-2026

$97.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Plastic Water Distribution Pipe

ES#4219 - 022121050 - Plastic Water Distribution Pipe - Pipe from back of water pump to thermostat housing, located under intake manifold. Commonly referred to as the crack pipe. - Genuine Volkswagen Audi - Audi Volkswagen

Pipe from back of water pump to thermostat housing, located under intake manifold. Commonly referred to as the crack pipe.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4219
Mfg#:
022121050
Ships in 1-2 days
7% off MSRP

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

$67.99

This product was last offered at the strikethrough price on
07-24-2026

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Vent Tube - Rear

ES#2555216 - 4G0121081BT - Expansion Tank Vent Tube - Rear - Connects to the expansion tank and coolant pipe - Genuine Volkswagen Audi - Audi

Connects to the expansion tank and coolant pipe For vehicles with production date up to 04/15/2013

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2555216
Mfg#:
4G0121081BT
In Stock
Limited Qty Sale
$39.99

This product was last offered at the strikethrough price on
02-26-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Coolant Line Under Intake Hose

ES#5435535 - IT-0108 - CTS Turbo Coolant Line Under Intake Hose - Reroute your engines clutter and clean up your bay with the CTS Turbo Under-Intake Coolant Line - CTS - Audi Volkswagen

Reroute your engine’s clutter and clean up your bay with the CTS Turbo Under-Intake Coolant Line

Brand:
CTS - Corporate Logo
ES#:
5435535
Mfg#:
IT-0108
Ships in 7 Business Days
$39.99 USD
Free Shipping

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 For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5457084
Mfg#:
06E121045BBKT
Ships in 10 Business Days
Auto Notify
ON SALE!
$154.99

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

$147.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Engine Coolant Pipe

ES#3534211 - 079121071CM - Engine Coolant Pipe - Left rear coolant pipe - Genuine Volkswagen Audi - Audi

Left rear coolant pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3534211
Mfg#:
079121071CM
Ships in 1-2 days
9% off MSRP

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

$160.99

This product was last offered at the strikethrough price on
07-24-2026

$146.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Coolant Pipe

ES#5341345 - TTE10524 - Front Coolant Pipe - Connects the left side water pipe elbow to the thermostat hose - The Turbo Engineers - Audi

Connects the left side water pipe elbow to the thermostat hose

Brand:
The Turbo Engineers - Corporate Logo
ES#:
5341345
Mfg#:
TTE10524
Ships on Aug 11, 2026
$69.99 USD
Free Shipping
on orders $49 and up

Coolant Overflow Hose

ES#3012963 - 4M0121081AJ - Coolant Overflow Hose - The hose that leads from the radiator to the expansion tank - Genuine Volkswagen Audi - Audi

The hose that leads from the radiator to the expansion tank

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3012963
Mfg#:
4M0121081AJ
Ships in 2 Business Days
12% off MSRP

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

$49.99

This product was last offered at the strikethrough price on
07-24-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return

ES#2772341 - 06E121044AF - Coolant Pipe - Return - Secondary return pipe that connects to the supply pipe and the oil cooler hoses - Genuine Volkswagen Audi - Audi

Secondary return pipe that connects to the supply pipe and the oil cooler hoses From production date 6/8/2010

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2772341
Mfg#:
06E121044AF
Ships in 1-2 days
7% off MSRP

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

$138.99

This product was last offered at the strikethrough price on
04-07-2026

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hard Coolant Pipe

ES#315205 - 1K0121070AQ - Hard Coolant Pipe - Connects turbo coolant return line to coolant return hose - Genuine Volkswagen Audi - Audi Volkswagen

Connects turbo coolant return line to coolant return hose For vehicles with FSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315205
Mfg#:
1K0121070AQ
Special Order: No Guaranteed ETA
7% off MSRP

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

$138.99

This product was last offered at the strikethrough price on
02-26-2026

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#467785 - N10255501 - Hose Clamp - Priced Each - Install new clamps to stay leak free. 17.5x7x.6mm - Genuine Volkswagen Audi - Audi Volkswagen

Install new clamps to stay leak free. 17.5x7x.6mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467785
Mfg#:
N10255501
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#2801566 - WHT006407 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 20x3 - Rein - Audi Volkswagen

Install a new o-ring for a proper seal. 20x3 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Seals the hard coolant pipe to the thermostat housing

Brand:
Rein - Corporate Logo
ES#:
2801566
Mfg#:
WHT006407
In Stock at Vendor
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Other Audi Engine Coolant Lines

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