Newmar Dutch Star Fuel Filter Replacement (Cummins ISL/ISB Guide)
Key Takeaways Newmar Dutch Star models (2016–2022) equipped with Cummins ISL 8.9L or ISB 6.7L engines require fuel filter replacement every 15,000–25,000 miles or annually, per Cummins service guidelines.The fuel system includes two serviceable filters: a primary fuel filter (secondary…