WHY IT MATTERS

Why Fleet Maintenance Can’t Wait

Downtime costs more than repairs. A proactive maintenance program reduces breakdowns, extends vehicle life, and protects your bottom line. Our certified technicians handle everything from routine preventative maintenance to complex powertrain work, all backed by OEM processes and genuine PACCAR parts.

Whether you run one truck or two hundred, our network of 30+ service locations across six states means you always have a certified team within reach.
Why Fleet Maintenance Can’t Wait media
  • 30+
    Service locations across six states
  • 6
    States: WI, MI, TX, NE, FL, OH
  • 100%
    Skilled technicians, including OEM-trained PACCAR specialists
  • 3-time
    Kenworth Dealer of the Year Award Recipient
WHAT WE OFFER

Full-Service Maintenance Capabilities

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  • Health and wellness icon
    Kenworth ExpressLane Triage
    Fast diagnostic triage to get your truck back on the road quickly.
  • Retirement savings icon
    OEM-Trained Technicians
    Experienced OEM-trained technicians, PACCAR-backed, with trusted support across every location.
  • Paid time off icon
    Full Vehicle Service & Repair
    Complete powertrain and chassis service — engines, transmissions, drivetrains.
  • Career development icon
    DOT Compliance
    Federal Motor Carrier safety inspections and compliance documentation.
  • Employment eligibility verification icon
    Preventative Maintenance
    Scheduled PM programs tailored to your operation’s duty cycle, whether you manage a single truck, a growing fleet, or a large-scale operation.
  • Zoom icon
    Complimentary Inspections
    Multi-point inspections with every service visit.
  • Truck icon
    Mobile & On-Site Service
    Bring the service to your yard and minimize truck movement.
  • Clock icon
    Extended Service Hours
    Early morning, late evening, and Saturday availability.
STELLAR CUSTOMER SUPPORT media
STELLAR CUSTOMER SUPPORT

A Kenworth Premier Care Gold Certified Dealer

Our certification guarantees a swift, expert diagnosis and repair estimate within two hours from PremierCare ExpressLane. You can sit back and enjoy our dealer lounges, while we service your truck..
WKW Windsor at night
FAQ

Frequently Asked Questions

Everything you need to know about fleet maintenance with CSM. Don’t see your question? Contact your local service location.

What types of heavy-duty truck parts are available? 

CSM Truck offers a comprehensive inventory of heavy-duty truck parts and commercial truck parts to help keep your vehicles operating at peak performance. Our selection includes engine components, brake parts, suspension systems, steering components, driveline parts, electrical systems, cooling systems, filters, lighting, exhaust components, and diesel truck parts. As a trusted truck parts supplier, we support a wide range of makes and models across the transportation, construction, utility, and vocational industries. 

Do you carry parts for both medium-duty and heavy-duty trucks?

Yes. CSM Truck stocks both medium-duty truck parts and heavy-duty truck parts for a variety of commercial vehicle applications. Whether you operate delivery trucks, vocational equipment, or over-the-road fleets, our team can help you find the right replacement truck parts to minimize downtime and keep your vehicles on the road.

How do I know which truck part fits my make and model?

To ensure the correct fit, provide your truck’s VIN (Vehicle Identification Number), make, model, year, and engine information when ordering commercial truck parts. Our experienced parts specialists use manufacturer databases and industry resources to identify the exact heavy-duty truck part or replacement component for your specific vehicle, improving accuracy and reducing downtime.

What information do I need when ordering replacement truck parts?

When ordering replacement truck parts, having detailed vehicle information helps us quickly identify the correct component. Please provide:

  • Vehicle Identification Number (VIN)
  • Truck make, model, and year
  • Engine make and model
  • Existing part number (if available)
  • Description of the needed part
  • Photos of the current part (when applicable)

Providing accurate information helps ensure you receive the right OEM truck parts, aftermarket truck parts, or other commercial truck parts the first time.

Do you carry OEM and aftermarket truck parts?

Yes. CSM Truck offers a large selection of both OEM truck parts and aftermarket truck parts for medium-duty and heavy-duty trucks. OEM parts are designed to meet original manufacturer specifications, while quality aftermarket truck parts can provide reliable performance and cost-effective alternatives. Our knowledgeable team can help you select the best option based on your vehicle, budget, and operational needs.

Can I find parts for older or discontinued truck models?

In many cases, yes. CSM Truck works with an extensive network of manufacturers and suppliers to source truck parts for older models, legacy vehicles, and discontinued equipment. Whether you need hard-to-find heavy-duty truck parts, engine components, or specialized replacement items, our parts experts will work to locate the right solution whenever possible.

How often should common truck parts be inspected or replaced?

The inspection and replacement schedule for heavy-duty truck parts depends on mileage, application, operating conditions, and manufacturer recommendations. Critical components such as truck brakes, filters, belts, hoses, suspension parts, and tires should be inspected regularly as part of a preventive fleet maintenance program. Routine inspections help improve reliability, reduce repair costs, and maximize vehicle uptime.

What is the difference between OEM and aftermarket truck parts?

OEM truck parts are manufactured to the original specifications of the vehicle manufacturer and are designed for precise fit and performance. Aftermarket truck parts are produced by third-party manufacturers and often provide additional choices and cost-saving options. Both can be excellent solutions depending on your needs, and CSM Truck’s parts specialists can help you compare options to find the right fit for your truck or fleet.

Can truck parts be delivered directly to my business or fleet location?

Yes. CSM Truck provides truck parts delivery services to many businesses, repair facilities, and fleet locations. Our goal is to help customers receive commercial truck parts, diesel truck parts, and other critical replacement components quickly to reduce vehicle downtime and support efficient fleet operations. Contact your local CSM Truck location for delivery availability and coverage details.

What should I do if I am not sure which replacement part I need?

If you’re unsure which replacement truck part is needed, our knowledgeable parts team is here to help. Simply provide your VIN, truck make and model, existing part number, photos, or a description of the issue. As a trusted heavy-duty truck parts supplier, CSM Truck can help identify the correct OEM or aftermarket truck parts for your vehicle so you can get back on the road as quickly as possible.