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Request Information
or an Appointment

MJM Engines is your one-stop shop for engine re-manufacturing service. With our in-house, state-of-the-art machine shop and installation services, we meet all of your auto and truck engines needs.

We have the BEST prices and the BEST Warranties in the business!

Welcome to MJM engine INC.

We Service ALL Major Car Brands!

Every rebuilt engine and remanufactured engine we build begins with thorough cleaning, inspection and machining of all remanufacturable castings. All cast iron components are magnaflux to guarantee integrity. Engine blocks are precision bored, decked and diamond honed to the specified RMS. Crankshafts are ground and polished to an 8-12 RMS finish. Valve seats are precision cut to three angles, and heads are resurfaced and vacuum tested. The following components are replaced as part of the manufacturing process:

  • New Pistons
  • New Rings
  • New Timing Components
  • New Freeze Plugs
  • New Installer Gasket Set
  • New Main Bearings
  • New Rod Bearings
  • New Cam Bearings
  • New or Reground Cam Shaft Cam core may apply
  • New Hydraulic Lifters
  • New Oil Pump
  • Remachined Block, Crank Shaft, Connecting Rods and Cylinder Heads


Our expert technicians can troubleshoot and diagnose problems with any engine, from big-block V8s to rotary engines and everything in between. That guarantees you get the professional help you need and the accurate, timely repair necessary to save your engine. Even if you’re not currently experiencing a problem or concern with your engine, we can help – our free inspection service includes a visual inspection of your engine, which can help alert you to minor problems that might turn into big headaches down the road.

The team at MJM Engines has the latest equipment and technical resources to diagnose and repair your engine efficiently and reliably. We are very experienced in repairing engine oil leaks, coolant leaks, seals and gaskets, engine replacement, head gaskets, engine mounts, engine diagnosis, engine noise, proper engine maintenance, and much more.

Internal Engine Services

  • Cylinder head
  • Cylinder block
  • Timing belts
  • Timing chains
  • Seals and gaskets

Heavy-Duty Services

  • Engine Replacement
  • Maintenance

At Your Service

Our commitment to reliable engine repair service has set us apart as a trusted name in San Diego, and we pride ourselves on the high standard of quality we work hard to maintain. No matter the state of your engine, we'll do our best to repair it in a timely and cost-effective fashion so that you can get back on the road as quickly as possible.

When you need your engine repaired, trust MJM Engines to provide prompt, honest, and affordable service. Call today for more information or to schedule an appointment.

760-745-4104