This is my rambling tale of the Cummins ISC in my motorhome and the severe power loss we experienced on a recent trip, the troubleshooting and the easy fix.
PacBrake Lube:
www.amazon.com/gp/product/B07G4J6VX6/ref=ppx_yo_dt_b_asin_title_o02_s01?ie=UTF8&psc=1
Below are links to the items I purchased to add the second fuel filter.
Fuel filter head:
www.amazon.com/gp/product/B01IW2T0J4/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
AN Fittings Fuel line kit:
www.amazon.com/gp/product/B081W7WQ82/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
Hose separator clamps:
www.amazon.com/gp/product/B07TVGHX13/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
AN fuel Line Coupler:
www.amazon.com/gp/product/B081CDYF5W/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Fleetguard Fuel Filter:
www.amazon.com/gp/product/B081CDYF5W/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1