2001-2016 Duramax CAT Fuel Filter Adapter (1266160)

Upgrade your Duramax’s fuel filtration system with this CAT Fuel Filter Adapter, a popular and proven solution for better filtration, longer filter life, and lower maintenance costs.

This adapter allows you to replace the factory fuel filter with a CAT 1R-0750 filter, known for its superior micron rating and reliability. The result is cleaner fuel delivery, improved injector protection, and increased system longevity.

Designed for a precise fit on all 2001-2016 Duramax 6.6L trucks, this adapter installs easily and uses standard fuel lines and seals.