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Retrofit DENSO 210-0421 it's a 120 AMP Alternator

Discussion in '1st Gen. Tacomas (1995-2004)' started by gusto11071, Aug 19, 2022.

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  1. Aug 19, 2022 at 9:43 AM
    #1
    gusto11071

    #1
    gusto11071 [OP] Well-Known Member

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    This is my shot at retrofitting a higher amperage alternator into my 1st Gen 2003 Toyota Tacoma. I got a lot info from the forums here. I only went with this one becuase of the same connectors. Ironically it happens to be from a 2003 Jaguar Vanden Plas.
    Denso 210-0421.jpg
    This is a OEM
    $210 DENSO 210-0421 Denso First Time Fit Alternator - 210-0421
    DENSO 210-0421 Alternator
    The connector is the same , so no need to retrofit that section, but the pulleys are not the same so they have to be swapped from the OEM alternator or just buy a new one like I did with my setup. I got my pulley off fleabay for like $9 and total $12.50 shipped to my door. The alternator was a steal on Amazon for $120 from the amazon wharehouse returns 2nd chance purchase instead of the $250 price, LoL !
    OEM Tacoma Pulley.jpg
     
    gusto11071, Aug 19, 2022
    #1
    1997tacomav6 likes this.
  2. Aug 19, 2022 at 9:46 AM
    #2
    gusto11071

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    gusto11071 [OP] Well-Known Member

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    Rear FJ Cruiser Disc Brakes, Front Tundra Brakes, Heated 4Runner Mirrors, 2018 Tacoma OEM 18" Wheels
    I will post some "on the vehicle" pictures when I get a chance to load them up to the forums.
     
    gusto11071, Aug 19, 2022
    #2
    DrabT100 likes this.
  3. Aug 19, 2022 at 9:49 AM
    #3
    gusto11071

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    gusto11071 [OP] Well-Known Member

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    Last edited: Aug 19, 2022
    gusto11071, Aug 19, 2022
    #3
    1997tacomav6 likes this.
  4. Aug 19, 2022 at 9:51 AM
    #4
    Kleenax

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    Kleenax Well-Known Member

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    Be nice to know how you found out it would/might fit?
     
    Kleenax, Aug 19, 2022
    #4
  5. Aug 19, 2022 at 12:05 PM
    #5
    gusto11071

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    gusto11071 [OP] Well-Known Member

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    From the forums here, I know one particular member here posted a link to his install (I will put up the link when I find it) , I figured I may do the same here with pictures.
    Here is one below:
     
    gusto11071, Aug 19, 2022
    #5
  6. Aug 19, 2022 at 12:13 PM
    #6
    gusto11071

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    gusto11071 [OP] Well-Known Member

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    it's the same alternator except his has the ROUND plug & mine has the oem toyota OVAL plug.
     
    Last edited: Sep 5, 2022
    gusto11071, Aug 19, 2022
    #6
  7. Aug 19, 2022 at 12:18 PM
    #7
    se7enine

    #7
    se7enine MCMLXXIX

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    The Jag alt was an upgrade for 1st gen 4Runners/3rd gen pickups back in the day. Thats why the round plug.
     
    se7enine, Aug 19, 2022
    #7
    1997tacomav6 likes this.
  8. Aug 19, 2022 at 1:39 PM
    #8
    1997tacomav6

    #8
    1997tacomav6 V6 5sp,RegCab,TVS1320 Supercharger,Haltech, 800k

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    V6 5sp,RegCab,TVS1320 Supercharger, 56mm pulley, methanol injected Haltech ECU, AC Tvs1320 supercharger,(MUST DO) every 125,000- 150,000 needs rebuild Projector headlights HID 5 speed manual Amsoil for all drive train Smaller 56mm custom pulley, (MUST DO) 2004 DESNO fuel injectors, zero ping ping, 2004 side door mirrors Dick Cepek Rims, Michelin tires LTX, ATM Pathfinders Dynopro ATM ( that last 100,000 miles) Now running Dynopro ATM mud and snow tires KN cold air intake Cat back dual exhaust with ss exhaust tip, Raised exhaust tail pipe to 2" below body line Optima*dry cell battery,red top Alpine sirius radio, 200 watt amp, focal is165 split door pod speakers Focal door speakers Subwoffer behind seat Viper alarm, Electric Locks Dark tinted windows, bucket seats corbeau lg1 Tacoma Rubber floor mats TRD fender extenders, Bilstien shocks, King shocks JBA UCA trailer iv hitch, electric brake control, Drilled slotted brakes, High carbon steel (MUST DO) EBS green stuff 7000 series pads(MUST DO) TRD engine oil cap TRD stick shift, Marlin crawl shift kit. Rear sliding window 2002 4Runner functional hood scoop cut into Tacoma hood, 4Runner dual overhead map light Gentex Auto dim + Compass + Temp, garage,rearview mirror Snow Methonal kit stage 2 Custom 3 core aluminum radiator Linex bed liner Haltech stand alone ECU, Intake supercharger gauge. Stainless steel brake lines, Custom leather wrapped steering wheel, Haltech stand-alone ECU,
    1997tacomav6, Aug 19, 2022
    #8
  9. Aug 19, 2022 at 1:48 PM
    #9
    gusto11071

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    gusto11071 [OP] Well-Known Member

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    I had my local mechanic swap the pulleys, but he just held it in place with one hand and then used a dewalt battery impact gun/drill on it, came right off ! 123
     
    gusto11071, Aug 19, 2022
    #9
    1997tacomav6[QUOTED] likes this.
  10. Aug 19, 2022 at 2:29 PM
    #10
    gusto11071

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    gusto11071 [OP] Well-Known Member

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    9F6CC70C-D8E5-48B0-9A6A-188DC1DDA93E.jpg
    Right before the install with a NEW Tacoma pulley. He put a dab of loctite thread lock on it and presto!
     
    gusto11071, Aug 19, 2022
    #10
    1997tacomav6 likes this.
  11. Aug 19, 2022 at 2:43 PM
    #11
    nzbrock

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    nzbrock Well-Known Member

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    Nice! I never knew there was one with the same plug. I guess the trade off is you have to swap the pulley instead of making a wiring adapter. Cost is probably about the same since you bought a new pulley.
     
    nzbrock, Aug 19, 2022
    #11
    gusto11071[OP] likes this.
  12. Aug 19, 2022 at 6:44 PM
    #12
    gusto11071

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    gusto11071 [OP] Well-Known Member

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    Yup, and the alternator was only $120 from Amazon’s second chance sales, LoL
     
    gusto11071, Aug 19, 2022
    #12
    1997tacomav6 likes this.
  13. Aug 19, 2022 at 6:47 PM
    #13
    gusto11071

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    gusto11071 [OP] Well-Known Member

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    BTW, thanks to your Amazon list I did it the right way by upgrading the fuse to 120 Amps and the upgraded 4 gauge wires as well, I also did the negative cable as well. Thanks!
     
    gusto11071, Aug 19, 2022
    #13
    nzbrock[QUOTED] and 1997tacomav6 like this.
  14. Aug 19, 2022 at 7:07 PM
    #14
    1997tacomav6

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    1997tacomav6 V6 5sp,RegCab,TVS1320 Supercharger,Haltech, 800k

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    This is a great kit with 2 gauge FYI that I just bought AND two different rated fuses,
    Comes in 0 gauge also

    42FF6713-5251-4F15-AC0C-673C6BFCB223.jpg
    4D5445F8-A647-408E-88A0-CF21AFF9963C.jpg

    284F644C-4754-4960-B1EF-859952A3231B.jpg
     
    Last edited: Aug 19, 2022
    1997tacomav6, Aug 19, 2022
    #14
    ireymon, gusto11071[QUOTED][OP] and 1bad2k like this.
  15. Aug 20, 2022 at 7:28 AM
    #15
    gusto11071

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    gusto11071 [OP] Well-Known Member

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    Damn I wish I would had seen this earlier. Nice kit ! Really heavy duty, I may go that route if I add any power hungry accessories.
     
    gusto11071, Aug 20, 2022
    #15
    1997tacomav6[QUOTED] likes this.
  16. Mar 2, 2024 at 10:00 PM
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    e.deCastro

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    e.deCastro Well-Known Member

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    Great write up. I was wondering if the 5VZ-FE is the same alternator?
     
    e.deCastro, Mar 2, 2024
    #16
  17. Mar 2, 2024 at 11:54 PM
    #17
    Nano909

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    Nano909 Stirrer Of Pots

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    Last edited: Mar 3, 2024
    Nano909, Mar 2, 2024
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    billybop90, Oceanside Patrick, Kleenax and 1 other person like this.
  18. Mar 4, 2024 at 10:14 PM
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    e.deCastro

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    e.deCastro Well-Known Member

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    e.deCastro, Mar 4, 2024
    #18
  19. Mar 4, 2024 at 10:30 PM
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    Phessor

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    Phessor Well-Known Member

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    Phessor, Mar 4, 2024
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  20. Mar 5, 2024 at 12:19 PM
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    Oceanside Patrick

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    I've also had the grand vitara alternator in my 5vzfe for years, can't remember what the amperage is but it was higher than stock. I also wish I saw a kit for beefed up wiring like posted above, I made my own.
     
    Oceanside Patrick, Mar 5, 2024
    #20
Page 1 of 2

Products Discussed in

HIGH OUTPUT 140 AMP 1995-2004 TACOMA 3.4L 4 RUNNER ALTERNATOR
$179.99
Denso First Time Fit Alternator - 210-0461
$165.88
Denso First Time Fit Alternator - 210-0421
$209.80
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