Mobile Truck Oil & Fluid Services in California & Arizona

KingFleet, located in Hayward, California, is not just your traditional mechanic shop; we specialize in both in-shop and mobile fleet maintenance services. Our expert team is equipped to provide comprehensive maintenance for diesel engines wherever you are. With our mobile fleet services, we bring our top-rated maintenance solutions directly to you, ensuring minimal downtime and maximum efficiency for your vehicles.

Diesel Engine Oil Changes: The Foundation of Engine Health

Diesel engines demand specialized care, starting with the right oil. At KingFleet, we understand this intricacy and offer premium diesel oil changes, which are crucial for your engine's longevity and proper functioning. Utilizing diesel-specific oil that exceeds OEM specifications, our skilled technicians ensure optimal lubrication and protection under extreme conditions. Trust us for thorough oil changes, including old oil drainage, filter replacement, and fresh oil refill, to keep your diesel engine in peak condition.

Fuel System Services: Enhancing Efficiency and Performance

Your diesel engine's fuel system is its lifeline. Regular maintenance here can significantly boost fuel efficiency and overall performance. KingFleet provides comprehensive fuel system services, including fuel filter replacements, fuel injection cleaning, and fuel system flushes. These procedures are designed to eliminate contaminants and build-up, ensuring a clean and efficient fuel system.

Cooling System Services: Preventing Engine Overheating

A well-maintained cooling system is vital for engine health. Overheating can lead to severe damage, so KingFleet offers specialized cooling system services. From radiator flushes and thermostat replacements to water pump services, we focus on removing contaminants and ensuring optimal cooling for your diesel engine.

Transmission Services: Ensuring Smooth Operations

The transmission is crucial for your diesel vehicle's performance. At KingFleet, we provide specialized transmission services, including transmission fluid replacement, filter changes, and comprehensive transmission flushes. Our services are geared toward removing harmful build-up and ensuring smooth, efficient transmission operations.

Why Choose KingFleet for Your Diesel Vehicle Maintenance?

Your diesel vehicle is not just a mode of transport; it's a crucial aspect of your business or personal life. At KingFleet, we recognize this and commit to offering professional, high-quality oil and fluid services. Our team of experienced mechanics uses only the best parts and fluids, backed by a comprehensive warranty. For expert care and maintenance of your diesel vehicle, choose KingFleet. Whether in our shop or at your location, we're dedicated to keeping your vehicle running efficiently for years to come.

Contact Us to Schedule Service

Call us for 24/7 roadside assistance or schedule your equipment in for a mobile repair or service using our service request form.

KingFleet Call Center:


Service Areas (Within a 50mi Radius):

Northern California, CA:
Bay Area & Sacramento Valley

San Diego, CA

Orange County, CA

Inland Empire, CA

Phoenix, AZ

24/7 Breakdown Assistance
Including Statutory Holidays