2026 Business Hours:

Mon - Fri

7am - 4:30pm

N5756 County Road D

Fond du lac, WI 54937

(920)906-9840

(920)906-9841 cell

​​Thank you so much for your loyalty to our shop & supporting our employees while we continue to strive to meet and exceed your expectations & the trust you have placed in us during some of the most adverse times in the history of our industry.

                                                                                    ~ Kevin & Tina Treffert  Owners ~

                                Contact info: 

To schedule service/repairs or get status updates: service@jtlrepair.com

​​Accounting inquiries: accounting@jtlrepair.com

Administrative/Business inquiries: admin@jtlrepair.com

Admin & Accounting staff work remotely ~ if you are in need of assistant ~ please send email to the proper department listed above.