Mobile Diesel Mechanics in Southern California
Mobile Diesel Truck & Semi Truck Repair + Fleet Maintenance in Southern California
Precision Diesel is your go-to mobile fleet maintenance provider in Los Angeles County, Orange County, Riverside County & surrounding areas. From Group 31 batteries to Glad Hands and airlines, we deliver quality OEM and aftermarket parts with unmatched convenience.
Keeping Your Fleets On The Road and Out Of The Shop
Why Precision Diesel?
Serving Los Angeles County, Orange County, Riverside County & Surrounding Areas
Mobile Repair Services in Newport Beach, CA
We Can Get You Moving Again!
Fleet Maintenance
Roadside Assistance
Preventative Maintenance
Scheduled services to prevent breakdowns and prolong vehicle life
FMCSA COMPLIANCE
Our professionals can help you maintain a high CSA score.
Bit Inspection
Our mobile service ensures your commercial motor vehicle (CMV) compliance without the need to visit a shop.
Trailer Repair
Heavy Equipment Repair
Maintenance and repair services for construction and heavy machinery.
Diagnostics & Check Engine
Chassis Repair
We are able to assess the damage and restore it to its original strength and stability.
Our Mobile Truck Repair Sevices
General Diesel Repair
Meet California's regulations, from brake system to tires
Electronic Data Log
Keep your So Cal fleet in compliance with our tailored ELD services
Oil & Filter / Lubrication
Regular oil changes and filter maintenance services including lubrication.
Brakes Repair
Maintenance and repair of truck braking systems
EGR Filter Cleaning
Maintenance for emission systems, including EGR and DPF units
DPF Filter Cleaning
Maintenance for emission systems, including EGR and DPF units
Exhaust System Repair
Repair services for truck exhaust systems and components
Clean Truck Check
Ensure CARB compliance through our certified emissions testing services
HVAC Systems Repair
Heating, ventilation, and air conditioning repair services for trucks
Engine Repair
Comprehensive mobile engine repair services
Suspension Repair
Maintenance and repair services for truck suspension systems
Truck Parts & Accessories
Components for seamless trailer-truck performance
Engine Computer Diagnostics
Keep your engine healthy and in compliance with our diagnostics.
Coolant System Repair
Services to maintain and repair truck cooling systems
Hear From Our Satisfied Customer Testimonials.
With over 20 years of experience, you can count on us to provide the most effective solution to your truck, trailer, chassis, and heavy equipment needs.
Areas We Service
- Los Angeles County
- Artesia
- Azusa
- Baldwin Park
- Bell
- Bell Gardens
- Bellflower
- Carson
- Cerritos
- Claremont
- Commerce
- Compton
- Covina
- Cudahy
- Culver City
- Downey
- El Monte
- El Segundo
- Gardena
- Hawaiian Gardens
- Hawthorne
- Hermosa Beach
- Huntington Park
- City of Industry
- Inglewood
- Irwindale
- La Habra Heights
- La Mirada
- La Puente
- La Verne
- Lakewood
- Lawndale
- Lomita
- Long Beach
- Los Angeles
- Lynwood
- Manhattan Beach
- Maywood
- Monrovia
- Montebello
- Monterey Park
- Norwalk
- Paramount
- Pasadena
- Pico Rivera
- Pomona
- Redondo Beach
- Rolling Hills
- Rolling Hills Estates
- Rosemead
- San Dimas
- San Gabriel
- Santa Fe Springs
- Santa Monica
- Signal Hill
- South El Monte
- South Gate
- South Pasadena
- Temple City
- Torrance
- Vernon
- Walnut
- West Covina
- West Hollywood
- Whittier
Freeway Service Patrol (FSP)
🔵 Core freeways (very consistent patrols)
- I-5 (Golden State / Santa Ana)
- I-10 (Santa Monica Freeway)
- I-110 (Harbor Freeway)
- I-405 (San Diego Freeway)
- US-101 (Hollywood / Ventura Freeway)
🟢 Major connectors & regional routes
- I-210 (Foothill Freeway)
- I-605 (San Gabriel River Freeway)
- I-710 (Long Beach Freeway)
- SR-60 (Pomona Freeway)
- SR-91 (Artesia Freeway)
- SR-134 (Ventura Freeway)
- SR-118 (Ronald Reagan Freeway) SR-170 (Hollywood Freeway)
- SR-57 (Orange Freeway—shared with OC)
FSP is focused on the main commuting corridors:
🔵 Primary freeways (most reliable)
- I-5
- I-405
- SR-55 (Costa Mesa Freeway)
- SR-91
🟢 Additional covered routes
- SR-57
- SR-73 (toll road — limited segments/times)
Manufacturers we service
Our Mobile Truck Repair Services
Providing mobile service throughout Southern California, Precision Diesel and automotive is the #1 choice for onsite mobile heavy duty truck repair and maintenance services in Los Angeles County, Riverside County, Orange County & more! From diesel engine repair services and exhaust system maintenance, to brake repair and suspension service, Precision Diesel can get you moving again! For top-rated commercial mobile truck repair services, call us today!