Complete 10-piece silicone coolant hose set for the AAN UrS4 and UrS6!
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Perfect for a top off any time you need it!
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The ultimate long-term fix for the brittle plastic factory part.
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Brand:
ES#:
5386705
Mfg#:
VWR140014
Back Ordered
ON SALE!
SAVE 11%
$39.99
This product was last offered at the strikethrough price on 10-26-2026
This is the small radiator under the main radiator
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Brand:
ES#:
2796394
Mfg#:
8K0145804H
Ships in 1 day
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$443.99
This product was last offered at the strikethrough price on 08-31-2026
Connects the supercharger flange to the radiator and water pump hoses
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Brand:
ES#:
2536111
Mfg#:
06E121083G
Ships in 1 day
12% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$189.99
This product was last offered at the strikethrough price on 07-23-2026
Connects the center radiator to the water pump and hard water line
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Up to the 2012 model year
Brand:
ES#:
1598013
Mfg#:
8K0145920C
Ships in 1 day
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$329.99
This product was last offered at the strikethrough price on 10-26-2026
Made from stainless steel to guard your ColdFront™ Heat Exchanger from road debris.
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4044050
Mfg#:
4710-11016
In Stock
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$347.99
This product was last offered at the strikethrough price on 10-28-2026
Get this silicone hose out of the way to enjoy the looks of your Unitronic Carbon Fiber components.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Keep your engine running cooler for more power
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Lower temperature thermostat than factory - OE is 87°C
The COBB Coolant Hose Reroute Kit is constructed of a custom formed 3-ply silicone hose that reroutes coolant underneath your car's intake duct
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Reroute your coolant hose!
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Brand:
ES#:
2999256
Mfg#:
CI100033-A
Ships in 5 Business Days
ON SALE!
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$47.99
This product was last offered at the strikethrough price on 09-28-2026
Prevent overheating and premature engine wear with a lower opening temperature
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Brand:
ES#:
276681
Mfg#:
050121113B
Ships in 3 Business 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.
$70.00
This product was last offered at the strikethrough price on 10-26-2026
Connects the center radiator to the hard water pipe for the supercharger
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
450351
Mfg#:
8K0145923B
Ships in 3 Business Days
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$118.99
This product was last offered at the strikethrough price on 10-26-2026
Required for pre-facelift (up to 2012) B8 S4 / B8 S5 3.0T models, and select C7 models.
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Required for pre-facelift (up to 2012) models to fit APR Coolant Performance System MS100127
Brand:
ES#:
3219342
Mfg#:
MS100136
Ships in 5 Business Days
ON SALE!
SAVE 10%
$81.99
This product was last offered at the strikethrough price on 09-28-2026
Looking to mitigate high temperatures under hard driving or from serious engine upgrades? Our performance cooling system upgrades like radiators, silicone hoses, upgraded water pumps, low-temperature thermostats, electric fan conversions, and more are just what you need to keep those temps down for longer.
Lifetime Replacement
