After the bypass filter installation, how often does the COOLANT (not the filter) have to be replaced?
Sinister Diesel Coolant Filtration System for 2003-2007 Ford Powerstroke 6.0L
Status:
Open Feb 11, 2026 - 01:04 PM
1answer
Answer
Feb 11, 2026 - 01:04 PM
It will be the same service interval as the factory recommends. The Sinister Diesel Coolant Filtration System for the 2003-2007 Ford Powerstroke 6.0L does not change your truck’s required coolant service schedule, so you should follow the original factory maintenance intervals.
View More Product Details
View all Sinister Diesel Coolant Filtration System for 2003-2007 Ford Powerstroke 6.0L Questions & Answers