Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines.
2X Entries Into Our F80 M3 Sweepstakes
The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4839641
Mfg#:
013907LA01-01KT
In Stock
ON SALE!
SAVE 25%
$333.99
This product was last offered at the strikethrough price on 11-07-2026
Next generation electronically actuated diverter valve engineered for modern turbo engines with a true plug-and-play design!
For vehicles from the 2021 model year only.
Delivers improved power, sound, and acceleration to B9 Audi A4/Allroad & A5 owners in a clean OEM+ package.
2X Entries Into Our F80 M3 Sweepstakes *The 034Motorsport P34 Cold Air Intake ROW (Rest of World, i.e. - non-North American region) is only for vehicles with a MAF attached directly to the fac
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.
Lifetime Replacement
