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We Don't Just Build It.

Parts & Service


Excelerator is the ultimate e-commerce solution for all truck part needs. Providing the most trusted brands in the industry, a robust catalog, and real time availability to drive customer uptime.


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Inner Circle Rewards

The Inner Circle Rewards℠ Customer Loyalty Program rewards members with discounts on fast-moving parts when shopping online through


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Pinnacle Fleet Solutions

A parts and service program that provides billing and support services to local, regional and national fleets.


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Customer Assistance Center

Our Customer Assistance Center (CAC) was developed to make sure that you have access to our state-of-the-art services no matter when or where you need them.


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Service Overview

Western Star builds trucks with top-quality workmanship, industry-leading innovation and durability that performs.


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Elite Support

Want the best service for your truck? Elite Support Certified dealers deliver unmatched customer service every time a truck comes in. The Express Assessment commitment is to provide you a preliminary assessment within two hours of arrival.


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Materials and workmanship? Covered and repaired, free of charge. Questions? Answered.


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Western Star Extended Coverage

Minimize downtime, years ahead, and save cash on future repair expenses with extended coverage.


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Custom Truck Services

Each Western Star manufacturing plant features a Custom Truck Service Center, removing any additional transportation costs and getting your trucks back on the road faster.


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Uptime Management Suite

Maximizing uptime to get your vehicle back on the road is the benefit of using the latest in time-saving technology, Uptime Management Suite.


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Online Tools | Manuals

Looking for the definitive guides to everything about your Western Star truck? Find the right driver and maintenance manuals for your model and year, right here.


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Technical Resource Guide

Explore X-Series and heritage model Technical Resource Guides here.


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