Replace your worn and cracked factory heater core hoses with these silicone reproductions of the NLA factory hoses
Supply hose (109-3069) will need to be trimmed 3/4-1" at the engine fitting end for proper fitment.
Brand:
ES#:
4657004
Mfg#:
034-102-3071
In Stock
ON SALE!
SAVE 10%
$168.00
This product was last offered at the strikethrough price on 06-28-2026
Testing if your cooling system holds pressure via the expansion tank/radiator cap will ensure there are no leaks once the system is filled
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3673926
Mfg#:
B8800084
In Stock
ON SALE!
SAVE 15%
$146.99
This product was last offered at the strikethrough price on 05-02-2026
Secondary pump for more efficient cooling
2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! Up to the 2002 model year and from VIN 4B-5-000501, split is in the 2005 model year
Brand:
ES#:
2710
Mfg#:
078965561
In Stock
$133.99
This product was last offered at the strikethrough price on 03-17-2026
Aluminum design - Located on the front right of the engine block
2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! Aluminum housing used on the B5 S4 - Commonly used as a factory upgrade for the OE plastic piece
Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.
