Protect Your Transmission With Our Warranty

Dunham Transmissions is Wisconsin's oldest and most experienced transmission rebuilding facility. We are a 3rd generation family-owned business and have been rebuilding transmissions since 1958. We treat our customers how we wish to be treated. You'll feel like family when you choose our team.

We strive to give you peace of mind for your vehicle with a one-year or 12,000-mile parts and labor warranty. We honor warranties through Car Shield, Auto Shield, Cornerstone Insurance, and also work with other warranty companies. Feel free to get in touch for more information. We'll be happy to guide you through the whole process.