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134 Engine Production Date

Discussion in 'Early CJ5 and CJ6 Tech' started by Marty O'Neil, Apr 14, 2022.

  1. Marty O'Neil

    Marty O'Neil New Member

    I recently acquired a complete engine, transmission, and transfer case. The engine number is: 4J308060 Could someone out help with the production date? Thanks in advance!
     
    Marty O'Neil, Apr 14, 2022
    #1
  2. Keys5a

    Keys5a Sponsor

    I’m not aware of any lists of engine serial numbers. A photo of what you have might narrow down the range. Features like the type oil filter, type pcv system, distributor, and alternator or generator. These all changed over time, and could help determine the build range.
    -Donny
     
    Keys5a, Apr 14, 2022
    #2
    Rick Whitson likes this.
  3. duffer

    duffer Rodent Power

    True except for the fact that those components get swaped up on a regular basis and with no history, it's a crap shoot.
     
    duffer, Apr 15, 2022
    #3
  4. Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Howard Eisenhauer, Apr 15, 2022
    #4
  5. PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Also differed between models and types, eg truck versus CJ
     
    PeteL, Apr 15, 2022
    #5
  6. Marty O'Neil

    Marty O'Neil New Member

    Marty O'Neil, Apr 21, 2022
    #6