MJ Heavy Duty Parts LLC
We are a family owned business located in Eastern Nebraska. We pride ourselves on providing the best products and service at the best prices available and making sure all of our customers are completely satisfied.

Skip The Dealer
Save yourself from a trip to the dealer. Get better prices and better service with our safe and secure online ordering. We accept Visa, Mastercard, Discovery and American Express. Shop with confidence with our exclusive 14 Day No Questions returns.

OEM Quality Parts
We're proud to carry the brands you trust, Firestone, Goodyear, Continental and more. These quality parts are all made to exacting OE specifications, or better, to fit your application. We carry replacement parts for all major truck and trailer manufactures including: Peterbilt, Kenworth, International, Freightliner, Hendrickson, Great Dane, Timpte Trailers and more.

Service You Can Rely On
We're proud to have a 100% fill rate and less than 1% return rate. This means you get what you need, when you need it, without the hassle. We have the experience to get you the right parts the first time. If you ever have any questions about a part or fitment, you can call us at 800-435-3509 and we'll make sure you're getting exactly what you need.