Welcome to Fraser™ Engine & Transmission Rebuilders

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Fraser™ is one of the largest manufacturers of engines and transmissions in the United States.

Since 1961, Fraser Engines and Transmissions has been providing the best replacement engines, transmissions, differentials, and transfer cases.

We carry remanufactured engines and transmissions for all AMERICAN & IMPORTED vehicles. We also have High Performance and Marine Divisions. Ask us about our Certified Refurbished Program – one of the best in the nation.

Most engine and transmission websites out there purchase from us! SAVE YOUR MONEY – avoid the middlemen and BUY DIRECT from the manufacturer!



  • 100% new pistons, rings and bearings are installed in every engine.

  • Every head is resurfaced.

  • Valve seats are machined, inspected and replaced, if necessary.

  • Valve guides are inspected with an air gauge and replaced if necessary.

  • The cam bore is checked on overhead cam engines and machined if required.

  • Only new valves, seals and lifters are used in every head.

  • All plugs and fittings are replaced with new pieces to protect against possible coolant leaks.

  • Each connecting rod is measured against OEM specifications for bend, twist, and center-to-center length before use.

  • The piston pin bore and bearing bore are measured with air gauges for proper dimensions on the connecting rod.

  • New torque to yield rod bolts and nuts are installed on the connecting rod.

  • Crankshafts are machined on a fully automated Jucrank CNC crank grinder. This enables FRASER ENGINES to maintain consistency and critical tolerances for each journal.

  • All oil galley holes are chamfered and brushed after machining and the crankshaft is given a final wash to ensure cleanliness.

  • Each crank is inspected for cracks, bow and all applicable run-out specs for rod and main journals.


  • 100% visual inspection, sorting and grading of core during tear down.

  • 100% magnaflux inspection of all blocks for cracks.

  • 100% air gauging of all cylinder bores for diameter and roundness after final honing operation.

  • All crank main bearing bores and all cylinder bores measured for diameter and distortion.

  • Coolant passageways – All engine assemblies quantified for water jacket, head gasket, and casting leakage using pressure decay testing.

  • Oil passageways – All engine assemblies quantified for oil gallery, gasket, and casting leakage using pressure decay testing.

  • Sims Testing – All engines are cold motored and checked and measured for proper torque to turn, cylinder compression, oil flow, oil pressure as well as audibly monitored for any unusual noises. All sealed units are tested for oil and coolant leaks.

  • One block per engine family is laid out daily and checked for all critical and high impact characteristics as defined in our control plans.
    These measurements include surface finishes, surface flatness and cylindricity.


Return shipping on core included (for customers in the contiguous US only).


3 years/100,000 miles for passenger cars

2 years/24,000 miles for trucks over 1 ton

1 year/12,000 miles for supercharged vehicles and taxi cabs,

3 months for stationary/agricultural/industrial applications

1 year for Marine applications

3 years/100,000 miles for 1/2 ton thru 3/4 ton Class B & C Motorhomes

2 years/24,000 miles for 1 ton Class B & C Motor Homes

6 months/12,000 mile (Parts Only) for Class A Motor Homes.

WARNING: This product can expose you to chemicals including chromium (hexavalent compounds), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

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