Diesel Tech Certified Power Stroke, Duramax and Cummins Diesel Repair

Commercial Fleet Services

O.E.M Trained Technicians

O.E.M Diagnostic Equipment

O.E.M Parts

Commercial Fleet Services

O.E.M Trained Technicians

O.E.M Diagnostic Equipment

O.E.M Parts

Commercial Fleet Services

O.E.M Trained Technicians

O.E.M Diagnostic Equipment

O.E.M Parts

Commercial Fleet Services

O.E.M Trained Technicians

O.E.M Diagnostic Equipment

O.E.M Parts

Commercial Fleet Services

O.E.M Trained Technicians

O.E.M Diagnostic Equipment

O.E.M Parts

Commercial Fleet Services

O.E.M Trained Technicians

O.E.M Diagnostic Equipment

O.E.M Parts

Commercial Fleet Services & Diesel Repair

Whether you manage a municipal or corporate delivery fleet or own a personal heavy-duty truck, our ASE-certified technicians have the OEM diagnostic tools to handle the job. From bumper-to-bumper repairs and fleet maintenance schedules to major engine and transmission repairs, we are Hemet's trusted specialists for Ford Power Stroke, Dodge Cummins, and Chevy Duramax platforms

Since 2004, Loren Taylor and his team of diesel technicians have been Hemet’s trusted alternative to the dealership. From managing light and medium-duty commercial fleets to personal work truck or weekend hauler, our team provides OEM level mechanical care. We combine decades of specialized experience with independent shop value to give your business or family total peace of mind on the road.

At Diesel Tech, we take pride in being the premier destination for all things light duty diesel. Whether you need routine preventive maintenance (PM) for a fleet of trucks or an advanced diagnostic and overhaul on an individual truck, our team gets the job done right the first time. Stop searching for a reliable 'diesel mechanic near me'—call SoCal's specialists today at (951) 766-5777.

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Our Services

Explore our comprehensive range of services designed to keep your truck running correctly and efficiently for miles to come. If you are looking for the best diesel mechanic near me, Diesel Tech is the best option for you.

Drivetrain And Suspension

Maintaining a properly functioning drivetrain and suspension system plays a critical role in the vehicles safety. Drivetrain and suspension issues are not only dangerous, they can also lead to adverse vehicle performance and premature tire wear.

DPF & Emission System Repairs

We understand the importance of keeping your light or medium-duty commercial diesel compliant with California emissions. Our technicians specialize in diagnosing and repairing DPF, DEF, and EGR system issues to keep your truck out of limp mode and maintain compliance.

Computer Diagnostics

We utilize O.E.M diagnostic software and tools to perform accurate diagnostics, repairs and module programing.

Power Stroke, Cummins & Duramax Repair

Our team performs a wide range of precision diesel engine repairs, from valve-train and turbos to head gaskets and complete reseals. We provide dealership-level engine overhauls and replacements using quality remanufactured units for Ford Powerstroke, Cummins, and Duramax platforms.

Diesel Fuel System & CP4 Repair

Modern light and medium-duty diesel engines rely on high-pressure common rail fuel systems where precision is everything. We handle everything from fuel contamination, fuel injector replacements to high-pressure pump failures. Ask us about disaster prevention kits or CP3 conversions to protect your Duramax or Power Stroke fuel system from catastrophic failure.

Transmission Service

The transmission plays a critical role in transferring torque from your diesel engine to the ground, especially on tow rigs and heavy service body trucks. Regular fluid and filter changes are essential to extend the lifespan of your work truck and prevent costly over-the-road breakdowns.

Free CARB Clean Truck Check Testing

Stay CARB compliant and keep your business running without penalties. The California Air Resources Board requires Clean Truck Check (HD I/M) emissions testing for non-gasoline combustion vehicles operating in CA with a GVWR over 14,000 lbs. As a credentialed tester, Diesel Tech offers Free Clean Truck Checks right here at our shop in Hemet for Ford, Dodge and Chevy light duty diesel trucks. Stop searching for an approved 'Clean Truck Check near me'—give us a call today at (951) 766-5777 and we can complete your compliance test while you wait! We also offer $50 tests for medium and heavy duty diesel commercial box trucks, flatbeds, delivery fleets, and heavy-duty work dualies requiring the OBD check.

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Ford 6.7 DCR Conversions

DCR Conversions

Inside The Shop

Explore Our Services

A leaking engine is not only a nuisance to your driveway. Leaks left unfixed can lead to oil starvation, overheating and the accelerated breakdown of rubber hoses, boots and suspension components when they become saturated in oil.

Sometimes replacing your vehicles engine with an O.E.M remanufactured engine is the best solution. When this is the case, work directly with the manufacture to source a certified O.E.M remanufactured engines to ensure a quick return to service and increased reliability.

Maximize your engine’s potential. Adding ARP Head Studs, a Bullet Proof Diesel EGR Cooler and Oil Cooler are an excellent way to increase the reliability of your 6.0 Power Stroke.

Diesel Tech has extensive experience in servicing major commercial fleets. With a proven track record serving fleets with more than 70 trucks, there aren't many issues we haven't seen. Over the many years in working with fleets we have been able to save fleet owners a great deal of time and money.

We specialize in turning ordinary 2 Wheel Drive vans into extraordinary 4x4 adventure vehicles tailored to your unique needs and preferences. Whether you’re a weekend warrior, a fleet needing field service vehicles, a full-time traveler, or an outdoor enthusiast, we have the expertise to bring your vision to life.

Trust Our Certified Technicians for Reliable Service

Personalize Your Truck to Fit Your Needs

From Routine Maintenance to Complex Repairs, We Do It All