Guy Motors
  • Guy Motors
  • Auto Repairs
    • BG Products
    • Engines & Transmissions
    • Car Care Tips
    • Mobile 1 Synthetic Oil
  • Key Fob Programming
  • Diesel Repair
  • Tire Services
  • Contact Us
    • Mechanicsville Location
    • Prince Frederick Location
  • More
    • Guy Motors
    • Auto Repairs
      • BG Products
      • Engines & Transmissions
      • Car Care Tips
      • Mobile 1 Synthetic Oil
    • Key Fob Programming
    • Diesel Repair
    • Tire Services
    • Contact Us
      • Mechanicsville Location
      • Prince Frederick Location
Guy Motors
  • Guy Motors
  • Auto Repairs
    • BG Products
    • Engines & Transmissions
    • Car Care Tips
    • Mobile 1 Synthetic Oil
  • Key Fob Programming
  • Diesel Repair
  • Tire Services
  • Contact Us
    • Mechanicsville Location
    • Prince Frederick Location

Engine & Transmission Services

At Guy Motors, we specialize in diagnosing and repairing engine and transmission issues for all makes and models. Whether you’re hearing loud knocking from the engine bay or noticing transmission slip, our experienced technicians are here to help, with solutions that are cost-effective, long-lasting, and backed by warranty.

Transmission Maintenance and Overhaul

Transmission troubles can manifest as gear slipping, delayed shifting, or fluid leaks. Guy Motors provides expert transmission services to customers in Mechanicsville, Prince Frederick, Hughesville, and the surrounding Maryland areas. Our team has the tools and expertise to diagnose and repair your drivetrain right the first time.


Our team offers thorough inspections, fluid replacements, and complete overhauls to ensure your vehicle's transmission operates smoothly.

Guy Motors: a Preferred JASPER Installer

We proudly install JASPER remanufactured engines and transmissions, a trusted name in performance, dependability, and nationwide support. JASPER’s remanufactured components are built to meet or exceed OEM specifications, making them a more affordable and convenient alternative to complete rebuilds or used parts.


We’ve relied on JASPER parts for years as our go-to replacement solution, and our customers appreciate the results.


These products are dependable and often outperform factory originals. If you’re unsure which JASPER product is right for your vehicle, our team will walk you through every option.

Remanufactured Gas & Diesel Engines

Turbochargers, Differentials, and Transfer Cases

Transmissions for AWD & 4WD Vehicles

  • 3-year/100,000-mile nationwide transferable warranty (gas)
  • Diesel engines with up to 2 years unlimited mileage warranty
  • Enhanced components, tested for reliability

Transmissions for AWD & 4WD Vehicles

Turbochargers, Differentials, and Transfer Cases

Transmissions for AWD & 4WD Vehicles

  • Completely remanufactured units
  • Backed by a 3-year/100,000-mile warranty

Turbochargers, Differentials, and Transfer Cases

Turbochargers, Differentials, and Transfer Cases

Turbochargers, Differentials, and Transfer Cases

  • Calibrated with computer-aided precision
  • Available in complete or running complete formats

Why Choose Guy Motors?

  •   Over 60 years of automotive repair experience
  • State-of-the-art diagnostic equipment
  • Transparent pricing and honest assessments
  • Convenient locations in Mechanicsville and Prince Frederick 


Call or visit today to schedule a diagnostic and learn more about how JASPER components can extend the life of your vehicle.

Email Guy Motors MechanicsvilleEmail Guy Motors Prince Frederick
  • Guy Motors
  • Key Fob Programming
  • Diesel Repair
  • Mechanicsville Location
  • Prince Frederick Location

Guy Motors

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