HAGEMEISTER ENTERPRISES, INC.

01/22/2026

01/22/2026

Ready to learn a new trade? Are you mechanical at heart? Tired of working for someone else? Be your own boss! Dive deeper and learn to rebuild alternators, starters, generators, magnetos and so much more. As long as there are vehicles, tractors and machines running the world there will always be a need for auto electrical rebuilders. Become a member of the ERA and come join us in March 2026 in San Antonio . Have questions about the Electrical Rebuilders Association? Call Larry at 541-401-3881.

11/08/2025

03/23/2025

New Model A alternator install video!

https://heielectric.com/shop/alternators/model-a-6v-low-rpm-one-wire-alternator/

Larry is changing out a generator for a Low RPM one wire Model A alternator. The generator wasn't charging at idle so we are fixing the issue.———————————————...

02/29/2024

Here is some great information If you’re deciding to use Lithium batteries in your RV.

In this video we discuss the differences between traditional Lead Acid batteries and Lithium batteries. Lithium batteries are often marketed as "drop-In" rep...

12/10/2023

I appreciate all the work that W Design Company, Inc. have done on this logo.
I Highly recommend 🙌

Since 1970 Hagemeister’s has provided professional service & parts for all your custom Alternator, Starter and Battery needs. They are your Auto & Heavy Duty Electrical Supply Shop! Family Owned and Operated, Local and Online!!
New Business Identity
heielectric.com

08/17/2023

Any guesses what model of Toyota this alternator came off of…?

06/06/2023

Larry decided to drive the GN as the commuter today 🤙🏻

05/20/2023

Something you don’t see everyday👍🏻. This is an Owen Dyneto 6 Volt starter for a 1929 Packard.

05/18/2023

Tell me your thoughts…🤔

05/12/2023

New 200amp One wire alternator for the 6.0L and 7.3L POWERSTROKE 💥

New 6.0 POWERSTROKE ONE WIRE ALTERNATOR 200A. Built to meet or exceed OEM Standards.

04/15/2023

Is your 1989-2002 Dodge Cummins overcharging or not charging at all...? We have the fix for it with our Cummins one wire alternator. All you need to do is connect the battery wire and that’s it (assuming you have a good ground as well) Some people use it when they do a Cummins swap as well as long as the mounting bracket is the same for the year range.
Use promo code:
WELDERUP10 or Dieselhotties10

https://heielectric.com/shop/alternators/dodge-cummins-one-wire-alternator-1989-2002/




https://youtu.be/9Hde2n0DYqI

Larry Hagemeister describes in depth on how our Custom Built Cummins One Wire Alternators work.8902SE - (1989-2002) Series of Cummins One Wire Alternators: ...