Cummins Marine EP9 Nippon Denso Fuel Solenoids

EP9 Fuel Solenoids There are two types of external fuel Nippon Denso EP9 injection pump solenoids that I have seen used on the marine engines by Cummins.  Pics  below:            ā€œNUBā€ style                             Ball Joint Style                       Note: Both … Read More

Dealing with the Cummins QSL9 Injector Tabs (Shorted Injector Leads)

Since around 2022, there have been multiple reports of the Cummins QSL9 engine platform experiencing issues with shorted injector leads that lead to de-rated engine performance. Turns out, the issues are easy to mitigate by simply re-positioning the injector tab … Read More

Dealing with the QSL9 Gear Oil Cooler

Pictures of “upside down” Sherwood 1722 & 1727 Seawater Pumps

SAE Pump Motor Mounting Flanges and Shafts

SAE PTO Pad Pump Motor Mounting Flanges and Shaft Specifications

Delphi CAV Injection Pump Cylinder Numbering

Delphi CAV Injection Pump Cylinder Numbering

ZF 220A Filter Service

ZF 220A Filter Servicing

Understanding the Cummins Marine QSB 6.7 Serpentine Belt System

Cummins Mechanical B & C Coolant and Raw Water Flow Diagrams

Cummins Mechanical B & C Coolant and Raw Water Flow Diagrams

EP9 Nippon Denso Injection Pump Throttle Linkage

EP9 Nippon Denso Injection Pump Throttle Linkage

1 2 3 4 … 44