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Rebuilt 3G81 Mitsubishi Minicab engine

Mitsubishi Minicab 3G81 remanufactered Engine

Auto Machine Shop, Mitsubishi Engine, Remanufactured Engines 57 Comments

Mitsubishi 3G81 Engine Rebuild

This is a Mitsubishi Minicab 3G81 6V SOHC 3-cylinder 550cc engine in for a complete rebuild.
Everything about this engine is mini!

We get quite a few of these in for rebuilds.  They come out of smaller work trucks that usually don’t drive on the road.  Mostly imported from Japan.  They get the same treatment as the big guys.

Engine Rebuild Menu:
Teardown and Inspection, Hot tank and clean, Magnuflux for cracks or needed repairs. Replace any missing or broken parts.
Machine Service- Hone engine block, grind and polish the crank and cam, Valve job on the cylinder head.
Engine Rebuild Kit- New rings, engine bearings, gaskets, freeze plugs, and timing set.
Clean, Paint, and Assemble.

We’re ready to dive in and teardown and hot tank all the parts, scrub and clean so we can inspect for any cracks or repairs.

3G81 Machine Services

 

All the parts are good, so we move on to resurfacing the cylinder head, polishing the crank , starting the engine block work and then give everything a coat of paint.

Cylinder head gets a valve job: grind/ cut valve seats (3 angle), resurface, clean and assemble.  New valves installed to replace some bent valves, the good valves were ground to proper specs to seat nicely.

We’re ready for assembly.  Short block parts assembled, then the long block is put together.  I say long block, but this Minicab engine is tiny in comparison to our usual Fords, Chevy’s and GMC motors.

3G81 Minicab engine rebuild kit included: new piston rings, engine bearings, gaskets, seals, timing belt and tensioner.

Behold the remanufactured Mitsubishi Minicab 3G81 3 cylinder engine.  It’s ready for pick up.

 

Los Angeles remanufactured 3G81 Mitsubishi Minicab 3G81 engine

Need parts to rebuild your Mitsubishi Minicab?

Need your Mitsubishi 3G81 Minicab engine rebuilt and remanufactured?

CALL US for parts and rebuilds 818 767-6603

Use the Contact page to email us for an estimate to rebuild your 3G81 or for parts.

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57 Comments

  1. John
    January 12, 20202:03 pm -

    Do you sell a complete engine rebuild kit for a 3G81? Out of a 89’ U15T? Also a price for a rebuilt engine? Also interested in a manual for the engine ie: what are all these damn hoses? What do I really need and what can I get rid of? Thank you

    Reply
  2. Daniel Rosario
    October 30, 20178:40 pm -

    Uhm, how about a 3G81 from a Minica Dangan ZZ? Can y’all rebuild that?

    Reply
  3. shane
    July 21, 201711:12 am -

    Can I also get a price for a 3G81? Also by any chance you have carburetors for this motor? Used carburetor is fine.

    Reply
  4. Brandon Boso
    October 9, 20167:48 pm -

    How much would it cost for a new 3g83 motor. Or to rebuild one. It may either have a cracked head or something

    Reply
  5. Hunter
    June 21, 20162:34 am -

    How much to rebuild Mitsubishi 3g83?

    Reply
  6. Carl
    February 22, 20166:21 pm -

    I need the price of a 3g81 rebuild

    Reply
  7. manuel mallo
    February 19, 201610:16 am -

    As per phone call, I need 3 x connecting rod, set of rod bearings, complete gasket set.
    If you could confirm availability and pricing it would be great.
    Could you also inquire about shipping to Malta (Europe) for me please?
    Thank you very much.

    Reply
  8. Henry Hua
    February 18, 201610:23 am -

    What would be the cost to rebuild a 3G81 or for a rebuild kit?

    Reply
  9. Paul
    December 30, 20151:49 pm -

    How much for a rebuilt 3g81 and how much to restore and rebuild the same engine? I have one that’s in desperate need of attention! Also can you supply other OEM parts like fuel pump, leaf springs, etc?

    Reply
    • Lucinda
      December 31, 201512:03 pm -

      Paul,
      Happy New Year! I emailed you a quote to rebuild your Mits 3G81 engine. Yes, we can get additional parts, I have to check availability once you get me a list of items. Just reply to my email.

      Thanks
      Lucinda

      Reply
  10. jeffd
    December 26, 20157:36 pm -

    sir good day,,
    may available poh ba kau na cylinder gasket 3g81..?

    Reply
    • Lucinda
      December 28, 201510:26 am -

      Jeffd,
      Thank you for contacting us for a price on a Mitsubishi 3G81 Head Gasket.
      I’m sending you a quote to your email address.

      Happy Holidays
      Lucinda

      Reply
  11. Robert Hill
    October 1, 20158:10 am -

    Hi. Could you email a price for a rebuild on my 3G81, and if you have built….how much for it?
    Thank you.

    Reply
  12. thanwin
    September 2, 20158:24 am -

    I have nissan clipper minitruck 3g83 engine. it work not normal.valves knocking.I want to adjust valves clearence .Can be adjust.

    Reply
    • Lucinda
      September 3, 201510:16 am -

      Thanwin,
      Yes, the clearance can be adjusted. I believe it is 8 intake and 12 exhaust. Be careful or you might break the rocker arms, those are hard to come by.
      Let me know if you need more information.
      Thanks
      Lucinda

      Reply
  13. Gail
    August 20, 20153:54 pm -

    Hi, I’m not sure if you can help but we are over in New Zealand and we have been searching hi and low for the valve timing marks ,if you wouldn’t mind sharing this info it would be really helpful.

    Thanks
    Gail Milford

    Reply
    • Lucinda
      August 21, 201510:23 am -

      Gail,
      Thank you for contacting us for information on your 3G81.
      I know, information is incredibly hard to find for the 3G81 engine.

      We rebuild quite a few of these engines, although I never have time to put up more photos of others we have rebuilt.

      I do have the information for you, I’m sure you will be quite pleased.
      I cannot attach files here, so I am sending you a PDF of the Valve Clearance and the Timing marks via email.

      Let me know how it turns out!
      Regards,
      Lucinda

      Reply
  14. Del George
    May 6, 201510:03 am -

    HI, I have a 3G81 engine that idles very fast and the choke control is missing off the carb. Should I replace the carb and a new choke and if so is that available?

    Thanks,
    Del

    Reply
  15. alex Bequette
    March 24, 20153:14 am -

    I have a 3g83 non hemi spun a rod bearing, The rod was not matched.
    How much to grind/polish my crankshaft?
    OR
    How much to do a short block rebuild.

    I would have to ship from the midwest, thats why I am not looking at long block.
    Thanks

    Reply
    • Lucinda
      March 24, 20159:34 am -

      Alex,
      Thanks for contacting us regarding your 3G83.
      A crank grind runs $85.00, if it is salvageable. You need to measure it first and let me know what size it is. If it is more than .20 over, bearings may not be available.

      Also compare the rods, you might need a new one. Measure the inside bore of the rod.
      New rods run about $110.00 each.
      Shipping is Not included in any quoted pricing.

      If you have any questions, call the shop and ask for Joe 818 767-6603.
      Thanks,
      Lucinda

      Reply
  16. chris
    March 7, 20151:25 am -

    hi i have a 3g81, starting to smoke, can you tell me best solution,and price on a reman engine price on new engine, and price to get it to quit smoking

    Reply
    • Lucinda
      March 9, 201510:16 am -

      Chris,
      Thanks for inquiring on a solution for your 3G81 engine problems.
      The smoke can be from a variety of issues, the valves, guides, head problem.
      I will email you directly estimates on a valve job for your 3G81 and an estimate to remanufacture your 3G81.

      Thanks
      Lucinda

      Reply
  17. Keith babcock
    March 6, 20157:59 am -

    I have a mini,U2T0403365,1996, in need of an over haul or a rebuilt. Please send price quote for both. Thank you

    Reply
  18. Chris
    February 27, 201512:00 am -

    Do you have a Mitsubishi 3g81 motor for sale, or what is the cost to remanufacture mine, mine is producing smoke

    Reply
    • Lucinda
      February 27, 20159:59 am -

      Chris,
      Thanks for contacting us regarding your 3G81. At this time we do not have a rebuilt 3G81 in stock. I’ve got a rebuilt 3G83 in stock for future reference.

      We can rebuild your 3G81 engine, I’ll send you a quote to your email.

      Thanks
      Lucinda

      Reply
  19. Jim
    January 24, 20155:00 am -

    Whats the cost on reman 3g81?

    Whats the cost on head gasket set?

    Thanks

    Reply
  20. Rickey Griffin
    December 31, 20142:33 pm -

    What would the cost be to overhaul a Mitsubishi 3G81and if I could buy a complete overhaul kit what would it be?
    Thanks

    Reply
  21. Kelton
    November 9, 20149:44 pm -

    What would it cost to reman a 3G83?

    Reply
  22. dave
    August 24, 20143:08 pm -

    what is the price for a remaned 3g81? email newriverimports@gmail.com

    Reply

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