Moeller Marine

Fueling the Fun

Customer Support

Having an issue with your Moeller product? Follow these easy steps to get your technical questions answered!


Step One

Need advice on installing a sending unit? Have you ever wondered how ethanol will affect your fuel transfer products? Moeller has developed a plan to answer many of your frequently asked questions. Listed below are several information sheets that Moeller has personally developed to help you, as a customer, with your marine application needs. This information was created to help educate and inform you of some of common concerns and questions you may come across with your Moeller product.

Do you have a question regarding the warranty terms of your Moeller Marine product? Click on the warranty that applies to your product.
One Year Limited Warranty
Two Year Limited Warranty
Three Year Warranty-Fuel Tanks Equipped with Wema SS Sender

Having problems installing our product? Moeller has created several instruction sheets for your use. Click on the link below to access the instruction sheet of your choice.
Moeller Gauge-Wiring Diagram
4″-27″ Universal Electric Fuel Sender Instructions
Electric Fuel Sender Installation Guide
Fuel Tank Installation Guide

Need help to repair or retrofit the fittings on your Moeller fuel tank?
Retrofit Procedure-Sending Units
Retrofit Procedure-Anti-Siphon Valve
Repair Procedure-Pickup/Vent Insert
Repair Procedure-Pickup/Vent Insert-Pop Lock

Need information regarding environmental effects on our products as well as quick “Did You Know” facts regarding the Moeller product line. Click on the links below to read further regarding some of these issues.
Did You know…Clear Site Water Separating Fuel Filter Systems

Step Two

Still having a problem that these information sheets could not provide an answer for? If so, please contact our company via email at Please include your name, the problem you are having with your product, and we will answer your questions or concerns as best as we can.

Step Three

If you would like to talk directly with one of Moeller Marine’s engineers or customer service representatives, you may contact us directly at 1-800-432-8344 during business hours (Monday-Friday, 8:00 AM – 4:30 PM Central Time).

Service Bulletin Notice LP Portable Fuel Tanks

Part Numbers: 620003LP, 620048LP, 620048LP-PAL, 620049LP
Please Click Here for bulletin.

Moeller Marine Products |