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National Transmission, Inc
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Your Local Auto Repair & Transmission Experts in Portage, Indiana

 Locally & Family Owned and Operated | Experienced Auto Technicians

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Locally Owned
Experienced Auto Technicians

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Prompt Service With a 100% Parts and Labor Nationwide Warranty!

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Auto Repair


We're your one-stop shop for vehicle repairs and maintenance, offering services ranging from oil changes to 24-hour towing. Bring your car in today and feel the difference our team can make!
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Brake Service


Don't worry about faulty brakes. Keep your passengers safe with complete brake services from the local experts. We have the experience with brake repair and replacement that you deserve.
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Transmissions


Trust your car or truck to the professionals at National Transmission Inc. Our team of transmission experts both service and repair transmissions in foreign and domestic vehicles.
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Auto Maintenance


We're locally and family owned and operated, and we are serious about your satisfaction. Get the affordable service you deserve and the reliable care your car needs to run smoothly and safely.
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Oil Changes


Ensure that your engine's oil is changed regularly. You can trust us to deliver reliable auto maintenance services at affordable prices. That's our commitment to you.
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Engine Diagnostics


Are you concerned about the condition of your car's engine? Visit us today to have us perform a complete engine test and give you an honest evaluation of your engine. 
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Transmission Rebuild Special
$100 OFF
Take $100 off your Transmission Rebuild. Applies to Transmission Overhauls. *Does not apply to bench jobs or include transmission fluid
Click to Use Coupon
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