Truck Parts and Sales Co.

Hours of Operation: Mon - Fri 8:00am - 8:00pm

Truck Parts & Sales Co.  

"Over 70 Years of Excellent Service at Competitive Prices! 

Let us Supply Your Drivetrain Parts!"  


Truck Parts & Sales Company in St. Louis, Missouri, has been in the heavy duty truck parts business since 1948. Our goal for the past 70 years has been to give our customers the finest products, fastest service, and best possible prices. We specialize in rebuilding our customers' transmissions and differentials. We also supply drivetrain parts as well as new and rebuilt differentials and transmissions. We are a global leader in locating obsolete and out of production truck parts.  



Truck Parts and Sales Company, Inc. was founded in 1948, and is the oldest exclusive truck parts dealer in Saint Louis. Today, it is still owned and operated by the third generation of the founding family.

For the past 70 years, our company has been supplying differentials, transmissions and heavy duty truck parts. We specialize in rebuilding both differentials and transmissions.

We are "Mack Specialists" and experts in locating hard to find and out-of-production parts.

Let us be your source for new and used parts. We can supply drivetrain parts, gearing needs, axle shafts, and body parts for any make truck.


  • Servicing the Drivetrain from the Flywheel Housing Back
  • Rebuilding Differentials and Transmissions
  • Specializing in Heavy Duty Truck Parts
  • Supplying Out-of-Production Parts
  • Specializing in "Mack Parts"  


  • Clark
  • Eaton
  • Fuller
  • GMC
  • IHC - Navistar
  • Mack
  • Spicer

We are "Mack Specialists" and experts in locating hard to find and out-of-production parts. Give us a call at 314-621-1227 or email us at


  • Bower/BCA Bearings
  • C-R Seals
  • Timken Bearings
  • Motive Gear-Replacement Light & Heavy Duty Gears
  • PAI-Mack Replacement Parts
  • Newstar-Eaton, Fuller, Rockwell Replacement Parts
  • Replacement Flywheel Housings