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— Fleet Truck Repair · Oxnard, CA

Fleet truck repair at fleet rates.

A truck in the shop is a crew standing still. Dieter's Motors keeps Ventura County work trucks moving with preventive maintenance, real diesel diagnostics, emissions repair and HD I/M Clean Truck Check inspections — all under one roof in Oxnard, at discounted fleet rates.

1972Family-owned
ASECertified techs
HD I/MClean Truck Check
Ventura CountyOxnard · Camarillo · Ventura

Discounted fleet rates — ask about a fleet account.

Businesses running two trucks or twenty get a reduced labor rate, priority scheduling and one point of contact who actually knows your equipment. Call and we'll set up an account and quote your rate before any work begins.

Set up a fleet account
01 — Fleet services

Everything your trucks need to keep earning.

Gas or diesel, pickup or medium-duty box truck — factory-level diagnostics, honest estimates and repairs backed by warranty. We fix what's wrong and tell you what can wait.

/ 01

Preventive Maintenance

Scheduled PM services built around your mileage and duty cycle — fluids, filters, belts and inspections that stop roadside failures before they happen.

/ 02

Brakes & Suspension

Heavy-duty brake service, springs, shocks and steering components specified for trucks that run loaded every day.

/ 03

Diesel Diagnostics

Check-engine lights, derates and limp mode traced with factory-level scan tools — sensors, injectors, turbo and cooling faults.

/ 04

Emissions & Compliance

DPF concerns, NOx sensors, SCR and DEF faults, exhaust leaks and opacity issues — the things that fail a Clean Truck Check.

/ 05

A/C & Electrical

Alternators, batteries, no-starts, lighting, upfit wiring and cab A/C that keeps drivers comfortable through a Valley summer.

/ 06

Engine & Drivetrain

Transmission service, driveline repair and engine work — up to and including major repair when a truck is worth keeping.

02 — Clean Truck Check

Your inspection station, not just your repair shop.

We're a smog and repair station in Oxnard, and we handle California HD I/M Clean Truck Check inspections for medium- and heavy-duty diesel trucks. Test and repair happen in the same place, so a failure doesn't turn into a week of towing between shops.

  • HD I/M Clean Truck Check inspections for diesel trucks
  • Regular smog checks for cars, vans and light trucks
  • Pre-inspection checks so trucks pass the first time
  • Diagnosis and repair when a truck fails
  • Compliance-deadline reminders for fleet accounts

What a fleet account gets you

A reduced labor rate on all fleet work. Priority scheduling so your trucks move to the front of the line. Maintenance history kept per vehicle. Consolidated invoicing instead of a stack of receipts. And the same technicians every time, who learn your equipment.

03 — Who we keep rolling

Built for working trucks.

Landscapers, plumbers, electricians, general contractors, delivery and courier fleets, mobile service vans, food and beverage routes, and municipal vehicles across Oxnard, Camarillo, Ventura and Port Hueneme.

/ Trades

Contractors & Trades

Pickups, utility beds, dumps and stake beds that carry weight and tools every single day.

/ Delivery

Delivery & Courier

Cargo vans and box trucks on tight routes, where downtime costs you deliveries.

/ Service

Mobile Service Fleets

Plumbing, HVAC and repair vans that need to start every morning without drama.

04 — Questions

Fleet repair questions, answered.

How do the discounted fleet rates work?

Fleet work is billed at a reduced labor rate compared to retail. Call to set up an account and we'll confirm your rate up front, so every estimate you get afterward already reflects it.

How many trucks do I need to qualify?

Fewer than you'd think. If you run trucks commercially, ask us — small two- and three-truck outfits get fleet treatment here.

Do you do Clean Truck Check inspections?

Yes. We handle California HD I/M Clean Truck Check inspections for medium- and heavy-duty diesel trucks, and we can diagnose and repair the faults that cause a failure.

How big a truck can you take?

We service light- and medium-duty work trucks, vans and box trucks. Call with your make, model and GVWR and we'll tell you straight whether it fits our bays.

Can you keep our maintenance records?

Yes. Fleet accounts get per-vehicle service history, so you know what was done, when, and what's coming due next.

Where are you located and when are you open?

2681 Ventura Blvd, Oxnard, CA 93036. Monday through Friday, 8:00 AM to 5:00 PM. Closed weekends. Free estimates on most vehicles.

Keep your trucks working. Bring them to the big dog.