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Excelerator℠ is the ultimate e-commerce solution designed to streamline the parts ordering process. Empowering customers to search, find and buy parts for any make, model and application.


Our motivation is to create a nimble and efficient customer experience guided by customer-focused initiatives and forward-thinking functionality.


Excelerator provides the following:

  • An optimized parts search
  • PartsProX our fully-integrated catalog
  • Real-time parts pricing and availability
  • Inner Circle Rewards a customer rewards program
  • Product features and images
  • VIN verification


Register with your local Western Star dealer to experience Excelerator today!




PartsProX powered by Excelerator is a modern digital parts catalog enabling users to access all VIN and Serial information for Western Star trucks. Registered users have the ability to explore vehicle specifications, view chassis and major component diagrams in a unique experience to find the right part every time.

Exclusive Benefits
  • VIN lookup for DTNA products
  • Interactive Bill of Materials (BOMs)
  • Part features
  • Detailed part images
  • Alternative part offerings
  • Frequently Bought Together with parts
  • Real time pricing and availability*

*Excelerator dealer-sponsored account required




*Registration form for Fleet/Vehicle Owners only



Western Star logo that features 'Serious Trucks' in white text and a red star against a gray background.