About General Truck Parts

We are much more than transmissions, axles, differentials and hard to find parts

Since 1970 we’ve had the EXPERIENCE, KNOWLEDGE, INVENTORY, & EXPERTISE to help you.

We have product lines that include : Oshkosh®, Eaton®/Fuller®, Navistar®, Rockwell®, Meritor®, Kessler®, ZF®, Spicer®, Tractech®, Borg-Warner®, GMC®, Mack®, Allison®, Spicer ®, Clark-Hurth®, New Venture®, TTC®, Fabco®, Muncie®, Axletech®, SAF- Holland and many more.


General Truck Parts® (GTP) is your source for new and remanufactured truck parts. We serve the truck parts and equipment industry for on-and off-highway, industrial, agricultural, construction, mining, logging, and light, medium, and heavy-duty trucks. Our dedicated staff is committed to providing outstanding product knowledge, excellent customer service and solutions that fit any budget!

General Truck Parts® (GTP) is known in the industry as one of the nation’s largest suppliers of remanufactured and new transmissions, transfer cases, differentials and parts. Our extensive inventory includes current as well as older/hard-to-find on- and off-highway models for light, medium, and heavy-duty use. New transmissions, transfer cases and differentials are available for upgrade and new applications. All of our transmissions are tested on our state-of-the-art dynamometer to ensure a problem-free installation. With over 45 years of experience, we have the products and expertise to get you back up and running in no time.

We are an authorized Spicer® off-highway service center. Our experts are available to answer your questions and help you with your needs. We take pride in getting you your answers, parts, and assemblies, fast.

Give our knowledgeable customer service staff a call today! Toll Free 1-800-621-3914.

Please contact us to find out about our competitive pricing and same-day shipping!

Toll free: 800-621-3914

Direct: 773-247-6900


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