National Fleet Maintenance Solutions

Preventive fleet maintenance keeps your vehicles operating smoothly, as each one is a vital asset to your business. Our professionally trained technicians provide dependable Voyager fleet services near you that maximize vehicle lifespan and result in minimal downtime for your employees.

Sign up for a Grease Monkey® Fleet Service Program today by visiting our website or downloading the application below.

Fleet Service Program Benefits

Trusted by Top Companies

Our fleet services are used by some of the most recognized companies in the country, including U-Haul and Enterprise. They rely on us to keep their fleet vehicles running—and you can too. 

Fleet Services – Frequently Asked Questions

Who Is Oilex Grease Monkey®?

Oilex Operating LLC is the largest Grease Monkey® franchisee in the U.S., with over 29—and growing—locations across Colorado, Texas, and Arizona. We specialize in fast, reliable fleet maintenance with a focus on customer service, preventative care, and operational excellence.

We are locally owned and operated and proudly serve national, regional, and local fleet management companies—including Enterprise, U-Haul, and many more.

What sets us apart:

  • Service Guarantee: We stand behind every oil change and safety check with a 100% satisfaction guarantee.
  • Certified Pit Crews: All technicians are certified through the proprietary Grease Monkey® Technician Training & Certification Program.
  • Speed + Precision: Most services are completed in 30 minutes or less, keeping your drivers on the road.
  • Flexible Billing: We offer Net 30 terms and multiple payment options.
  • Fleet-First Mentality: We tailor our service to your business needs with reporting, scheduling, and account management built for fleets.

Every fleet oil change includes our complimentary 16-point inspection, performed with care and consistency. With every visit, we:

  1. Wash exterior windows
  2. Vacuum interior
  3. Check/test battery
  4. Check air filter
  5. Check windshield wipers
  6. Check/fill windshield washer fluid
  7. Check the breather element and PCV valve
  8. Check all exterior lights
  9. Check/fill transmission or trans-axle fluid
  10. Check radiator level and test coolant
  11. Check/fill power steering fluid
  12. Install a new oil filter
  13. Lubricate chassis
  14. Check/fill differential fluid
  15. Check and set tire pressure
  16. Change oil (up to 5 quarts)

Yes. We back every service with our Service Satisfaction Guarantee. If you or your drivers are not completely satisfied, we’ll make it right—fast. Our goal is 100% satisfaction, every visit.

We offer streamlined, flexible billing designed for businesses of all sizes.

Standard Terms:

  • Net 30 payment terms

Fee-Free Payment Options:

  • Credit Card
  • ACH (Electronic Funds Transfer)
  • E-invoicing with direct payment link
  • Standard check payments
  • WEX and Voyager fleet payment cards accepted at time of service for added driver convenience

Invoices can be sent via email or uploaded into your preferred fleet management system. We support PO/job number tracking and consolidated monthly statements upon request.

MyFleetCenter is a fleet payment processor accepted by most Grease Monkey centers. 

Yes. Fleet accounts are accepted at all participating Oilex-owned Grease Monkey® locations across Colorado, Texas, and Arizona. We’re expanding rapidly—check our Locations page for the most current list.

We support a wide range of fleet types, including:

  • Rental fleets (Enterprise, U-Haul, etc.)
  • Commercial service vehicles
  • Delivery and logistics fleets
  • Construction and trade vehicles
  • Government and municipal fleets

Whether you manage 5 vehicles or 500, our team can accommodate your needs with consistency across locations.

Enrolling is easy. Simply contact our Fleet Support Team at:
fleets@oilexgreasemonkey.com
Or call: 303-765-2430

We’ll walk you through a quick setup process including account creation, billing preferences, and driver communication.

Yes. We provide detailed vehicle service records and reporting, including:

  • Maintenance history by VIN or unit number
  • Monthly or quarterly service summaries
  • Custom maintenance schedules
  • DOT/FMCSA-compliant reporting (upon request)

We help keep your fleet compliant and on the road with fewer surprises.

In addition to full-service oil changes and 16-point inspections, we offer:

  • Air & cabin filter replacement
  • Wiper blade installation
  • Fuel system cleaning
  • Battery testing & replacement
  • Transmission fluid exchange
  • Light mechanical repairs (select locations)
  • New tire installation and alignment (select locations)

Need something more? We can coordinate advanced mechanical work through specific locations (Houston/Denver).

Where To Find Us

We have several locations across Arizona, Colorado, and Texas, we make it convenient for your drivers to get the fast fleet maintenance and repairs they need without going out of their way.