New Age Diesel in Oklahoma City: Full-Service Heavy-Duty Truck Repair

New Age Diesel is a full-service diesel repair shop specializing in heavy-duty trucks, pickups, and fleet vehicles on the south side of Oklahoma City. The operation handles engine diagnostics, fuel system work, transmission service, and custom performance modifications, with ASE-certified technicians on staff and a diagnostic fee structure that applies toward repairs if work is authorized.

What New Age Diesel Actually Is

New Age Diesel operates as an independent repair facility focused exclusively on diesel-powered vehicles rather than gasoline engines or general automotive work. The shop employs multiple ASE-certified technicians and maintains diagnostic equipment calibrated for Cummins, Duramax, and Powerstroke platforms. The facility includes a service bay for routine maintenance, a separate diagnostic area, and capability for more involved engine or transmission pulls when needed. This specialization matters in Oklahoma City because most general-purpose repair shops treat diesel work as a secondary service, often with longer turnaround and less specialized knowledge of fuel injection systems or emissions equipment specific to heavy-duty engines.

Services and Diagnostic Approach

New Age Diesel charges a diagnostic fee of $85 to $125 per hour for initial system evaluation, depending on complexity. This fee applies as a credit toward repair costs if the customer authorizes work; if no repairs are performed, the diagnostic charge stands. Routine services like oil and filter changes, fluid flushes, and belt replacement run between $150 and $400 depending on vehicle size and fluid type. Fuel system cleaning, injector service, or fuel filter replacement typically falls in the $300 to $600 range. Transmission service or minor internal work averages $800 to $1,500. Larger jobs such as engine diagnostics for drivability issues, turbo service, or EGR system repairs can exceed $1,500 and require a quote after diagnosis. The shop handles both warranty work and custom modifications like performance tuning, though modified vehicles may fall outside some manufacturer service coverage.

Labor rates run $110 to $140 per hour depending on the technician's experience level and the task complexity. ASE-certified specialists command the higher end of that range. Most routine jobs are quoted flat-rate based on the shop's experience with that particular engine platform and service. Confirm current pricing when you call, as diesel fuel costs and parts availability influence service rates seasonally.

How It Compares to Other Oklahoma City Options

Oklahoma City has two tiers of diesel repair: quick-service chains like Firestone and Jiffy Lube, which offer basic oil changes and filters but lack the expertise for complex fuel system or emissions diagnostics; and full-service independent shops like New Age Diesel. Some larger Cummins, Ford, and Chevrolet dealerships operate diesel service departments, particularly Cummins dealerships for engine-only warranty work, but dealership labor rates typically run $145 to $180 per hour, and they may prioritize new-vehicle customers over owner-operator or fleet work. New Age Diesel's positioning sits between: pricing lower than most dealership service departments while offering more targeted expertise than chain shops. Choose a dealership if your vehicle is under warranty and you need OEM parts guarantees; choose New Age Diesel if you need experienced independent diagnosis and faster turnaround on non-warranty issues or modifications.

Who It Suits and Who It Does Not

New Age Diesel works well for owner-operators and small-fleet owners who run pickup trucks or commercial diesel vehicles and need reliable, knowledgeable service without dealership wait times or markup. It suits drivers familiar with diesel engines who want to discuss modifications or performance tuning. It is less suitable for customers seeking quick-turnaround basic oil changes (dealership express service or a quick-lube will be faster for simple jobs) or for gasoline vehicle owners. It also assumes some familiarity with diesel technology; if you own a diesel truck but lack maintenance background, the technicians will explain findings, but you should budget time for consultation calls rather than expecting walk-in simplicity.

What the First Visit Involves

Call ahead to book a diagnostic appointment or request an estimate on a known issue. Describe the symptoms or service need clearly: drivability complaint, service interval due, or performance goal. You will drop the vehicle or remain in a small waiting area while the shop performs initial testing. Diagnostics typically take 1 to 2 hours depending on whether the problem is apparent or requires multiple system checks. The technician will call with findings and a repair estimate; you approve before work begins. For routine maintenance like oil service, walk-in appointments are sometimes possible but booking a day ahead ensures minimal wait.

Hours, Location, and Logistics

New Age Diesel operates Monday through Friday, 7:30 a.m. to 5:30 p.m., and does not open weekends. The shop is located on the south side of Oklahoma City, with on-site parking for customer vehicles. Verify hours by phone before visiting, as seasonal scheduling or special projects occasionally shift closing time. The shop does not offer loaner vehicles, so plan for a ride home or arrange pickup after diagnostics are complete.

New Age Diesel fills a necessary gap for Oklahoma City diesel owners: independent expertise at lower cost than dealership service, with technicians who speak Cummins and Duramax as fluently as the owners who drive them.