A
Allmand
Guest
I am looking for a parts and
I am looking for a parts and service manual for a Cummins 4BT3.9-M please email.
I am looking for a parts and service manual for a Cummins 4BT3.9-M please email.
MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone.
You are invited to join our public Boat Repair Forum to seek assistance from other members.
You may also visit the Boat Motor Manuals section of our site to obtain a service manual.