NH Oil Undercoating
at Keegan Auto

Read what NH Oil Undercoating offers and then come in today so we can help!

The Endless Quest For Effective Rust Prevention

In a world where water and oxygen are common, most useful metals have long since been turned into oxides. We have built much of our technology by wrestling these metals from the grounding and refining them into their pure forms. Nature is relentlessly turning them back to the way they were. A 400 Billion dollar per year problem tends to get your attention. Especially when you are a contributor and there's no simple nor easy solutions... s.

Your car — an investment second only to your home (unless you've paid college tuition) — is torring out from under you.

When is the best time of year to have your car treated at NHOU

Brake Repair | Keegan Auto

We have exceptional diagnostic capabilities at Keegan Auto. Not only do we use the latest technology and state-of-the-art equipment, our certified technicians review areas of your vehicle’s engine that may not be covered by a computer system.

Diesel Experts

Many mechanics don’t have the knowledge or experience to work on diesel engines. That’s not the case at Keegan Auto. Mike Keegan was factory certified by Ford to repair and service diesels.

Custom Exhausts Hand-built Onsite

Let us help you achieve the power and sound you want from your exhaust system. We hand-build custom exhaust systems right here in our shop, utilizing dual exhausts, catalytic converters, stainless steel tips, tubing, and more. We’ve built high-performance exhaust systems for trucks, SUVs, imports, and classic cars.

Oil Change | Keegan Auto

New Hampshire State Inspections

In New Hampshire, state inspections are required once a year. Keegan Auto is a licensed safety and emission inspection station, able to handle your inspection efficiently and cost-effectively. In most cases, the inspection takes less than 30 minutes and costs $40.00. We do it while you wait.