Main return pipe that connects to the heater core hoses and the engine. Made from high-grade Aluminum vs OEM Plastic!
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 We Price Match - Give Us A Call or Chat!
Main return pipe that connects to the heater core hoses and the engine
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
For vehicles up through the 2015 model year only (Pre-Facelift)
Brand:
ES#:
4818461
Mfg#:
06E121065N
In Stock
ON SALE!
SAVE 18%
$40.99
This product was last offered at the strikethrough price on 05-02-2026
Secondary return pipe that connects to the supply pipe and the oil cooler hoses
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#:
2817128
Mfg#:
06E121044AE
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.
$146.99
This product was last offered at the strikethrough price on 10-29-2026
Main return pipe that connects to the heater core hoses and the engine
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 up through the 2015 model year only (Pre-Facelift)
Brand:
ES#:
280786
Mfg#:
06E121065N
Ships in 1-2 days
19% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$131.65
This product was last offered at the strikethrough price on 10-29-2026
Main return pipe that connects to the heater core hoses and the engine
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 up through the 2014 model year only.
Brand:
ES#:
4617002
Mfg#:
06E121065Q
In Stock
$124.99
This product was last offered at the strikethrough price on 05-07-2026
Main return pipe that connects to the heater core hoses and the engine
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 from the 2016 model year only
Brand:
ES#:
2737381
Mfg#:
06E121065S
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.
$125.99
This product was last offered at the strikethrough price on 08-31-2026
Secures the coolant temperature sensor in place
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 We Price Match - Give Us A Call or Chat!
Provides seal from metal to plastic cooling line end fitting. 17x3
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#:
471191
Mfg#:
N90925001
In Stock
17% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$5.99
This product was last offered at the strikethrough price on 10-29-2026
Main return pipe that connects to the heater core hoses and the 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 We Price Match - Give Us A Call or Chat! For vehicles up through the 2015 model year only (Pre-Facelift)
Used on Main return pipe that connects to the heater core hoses and the engine
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
Secondary return pipe that connects to the supply pipe and the oil cooler hoses
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
Secures the coolant temperature sensor in place
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 We Price Match - Give Us A Call or Chat!
Direct OE-quality replacement hard plastic coolant pipe to cure persistent coolant leaks, prevent catastrophic overheating, and ensure reliable coolant flow to your vehicle's heat exchanger.
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 up through the 2015 model year only (Pre-Facelift)
Permanently solve a notorious Audi V6 cooling system weak point by replacing the failure-prone factory plastic heater pipe with this upgraded aluminum version.
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 up through the 2015 model year only (Pre-Facelift)
Lifetime Replacement
