Enhance your Audi RS3 8Y's performance by upgrading to our state-of-the-art side-mounted engine water coolers.
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
Direct-fit upgrade! Featuring a 20% increase in cooling system capacity along with a durable, all aluminum construction. Includes new radiator mounts and coolant.
10X 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#:
4030589
Mfg#:
004257ECS02KT
In Stock
ON SALE!
SAVE 12%
$390.82
This product was last offered at the strikethrough price on 05-02-2026
CSF has created a Quadruple Pass DSG Cooler gives an increased cooling performance over the stock item in a number of areas.
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
Ensure safe temperatures during track use
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 Requires a build time of up to two weeks For vehicles with TSI engine only
The new developed competition racing core of this high performance water cooler increases the radiator volume of the OEM water cooler by a total of 55%.
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 For Vehicles that already have Wagner Tuning Intercooler
Increase your cooling capability by 30% when upgrading to a Mishimoto high performance aluminum radiator.
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
Featuring an all-aluminum tank and core plus OE-style quick connects. Lower engine temperatures mean more power and longer life of engine components!
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 Manual transmissions only
The Radiator Relocation Kit is an integral component when swapping your B8/B8.5 A4/S4 Audi with the larger twin-turbo V8 engine.
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 For vehicles doing an engine swap only, not intended for OE usage
This is the small radiator under the main radiator
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#:
2796394
Mfg#:
8K0145804H
Ships in 1-2 days
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
Significantly larger volume than OEM, with dual-pass core that seamlessly complements the factory heat exchanger with minimal modifications required for installation.
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#:
4830711
Mfg#:
CTS-HX-0009
Special Order: No Guaranteed ETA
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$449.99
This product was last offered at the strikethrough price on 10-28-2026
The ULTIMATE cooling system upgrade for your 3.0T-equipped Audi! This limited-time Doorbuster includes our high-performance aluminum radiator and our billet aluminum thermostat to add cooling capacity and durability.
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
Includes everything you need to replace your factory side mount radiator with the larger CSF Radiator
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
Lifetime Replacement
