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Miscellaneous S110 w/EFNS over the counter

Discussion in 'Daihatsu Hi jet References' started by Jigs-n-fixtures, Dec 21, 2022.

  1. Jigs-n-fixtures

    Jigs-n-fixtures Well-Known Member

    I have a 94 S110, with the EFNS, 5-speed and 4wd.

    These are parts I have bought for it at the local NAPA

    Engine Oil: 10W-30, 3.1 liters.

    Oil Filter: Fram PH4967, or NAPA Gold 1394, or a NAPA 41394, or Wix 51394XP. It is 2.92-inches high by 2.688-OD. Thread is 3/4-16. Gasket is 2.188-ID, 2.438-OD, 0.188 thick. 14-psi bypass pressure and has an anti-drain valve.

    Transmission and Transfer Case, and differentials: Used a 50-90 synthetic. The manual calls for Type 3, You can use 4 or 5, if it is safe for yellow metal. Which viscosity depends a lot on your climate.

    Fan Belt for Generator and AC is 10X777, NAPA 2572300.

    Stock Plugs are NGK-BCPR5EKD. They are unavailable in the US, substitute NGK-BPR5-11E. Interchange to Toyota 90048-51134, Denso QL20TRS, or Champion RC12YC or RC9YC, the 12 and 9 are heat numbers you may need to adjust.

    Battery I have mounted is a DieHard it is a Group 35/75-2. The -2 indicates the positive and negative are different from a standard 35/75, and the 35/75 means it has both screw and post terminals. Look at how you’re wiring is run, before you buy one, and get the posts in the position you need them in. I was changing the wiring to the battery, so I bought what they had handy. It is larger than the stock one in every dimension. To mount it you will need longer J-bolts for the mount bracket. If you have the battery cover, you will need to move it out several inches.

    Thermostat: Tama W44DE-82. Crosses to a Gates 34065. If you need to track down a different brand, they are 44-mm flange, 82-Centigrade, or 1.73-inch, 180-F.

    Timing Belt: Always check of water leaks at the bottom of the cover. If there are water stains, get a kit with the water pump, tensioner, and new belt from an online dealer. If no signs of water pump leaks, get a Gates T930 or equivalent. Any parts house can cross reference the Gates.
    DEG95DH likes this.
  2. DEG95DH

    DEG95DH Member

    This is the spark plug I need. BCPR6EKD. I've given up sourcing them for now. Truck running ok so no huge immediate need.

  3. Jigs-n-fixtures

    Jigs-n-fixtures Well-Known Member

    That plug is JDM only. The closest you will get in the US is the NGK-BPR5-11E. It is one heat range lower, so if you see signs of the plug being cold, you could look for a BPR6 or 7.
  4. shogun

    shogun Active Member

    NGK BCPR6EKD - Alternative spark plugs
    There are 12 replacement spark plugs for NGK BCPR6EKD. The cross references are for general reference only, please check for correct specifications and measurements for your application.

    NGK BCPR6EKD replacement spark plugs
    Daihatsu 90048-51133-000
    Daihatsu 90048-51134
    Daihatsu 90048-51134-000
    Daihatsu 90048-51134-1
    Daihatsu 90048-511341
    Daihatsu 9004851133000
    Denso QL20TR-S
    Denso QL20TRS
    Tacti V91103189
    Toyota 90048-51134
    Toyota 90048-51134-1
    Toyota 90098-70067
    DEG95DH likes this.
  5. DEG95DH

    DEG95DH Member

    @shogun , correct, but how can I get any of those? I'm in the USA. I can find the spark plugs online...but I can't find any vendor that ships here. If I lived in or near Japan, they look much more readily available.
  6. DEG95DH

    DEG95DH Member

    @Jigs-n-fixtures , I was tempted to try NGK-BCPR6EIX-11 as an alternative to NGK-BCPR6EKD. But I was going to wait before I actually removed a spark plug to see what variables I could play with. I figured the lack of "K" could be okay. But I fear that the "D" on the end, the extended body portion of the spark plug, must be physically necessary for that type of engine design -- I figured it would become apparent as I pulled one out.


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  7. Jigs-n-fixtures

    Jigs-n-fixtures Well-Known Member

    If you go to the NGK Europe site you can decode the stock plugs.

    If the character is the same the plug is the same.

    Since everything is the same through the “K”, which means it has a 19-mm (3/4-inch) reach. The only difference is the last two characters.

    The K is a dual electrode, D is High Ignition Fine Electrodes

    The IX indicates a single, fine diameter, High Performance Iridium electrode.

    so, the two plugs will be the same, with the exception of the iridium, which is used with higher voltage multi spark installations, which are hard to get to, modern vehicles with 100,000-miles plug change increments.

    The twin electrode plugs were part of getting the trucks to pass the stringent Japanese emissions requirements.

    The iridium plugs, are intended for use more modern vehicle with computer controlled engine management, and fuel injection.

    In my experience, the standard BCPR6-11E are less expensive and work fine. I do gap them at 1.4-mm instead of the 1.1 they come at.
    Last edited: Jan 10, 2023
  8. Tripthyme

    Tripthyme Member Supporting Member

    I use the irridium plugs and havent noticed an issue yet but I havent had him up and running again for very long.
  9. Agualluviah2o

    Agualluviah2o New Member

    Actually, with NGK and ND spark plugs, a lower number indicates a hotter heat range. So, if a 5 is too cold you would want to go to a 4 heat range.
  10. DEG95DH

    DEG95DH Member

    OEM Plugs!! NGK BCPR6EKD! 5 star experience for me. Took about 3 weeks, but elated! Not sure what the shipping cost would've been if I ordered just the plugs. The box used to contain both items was about 18x18x12 or so. Amayama.com


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