12K (A2 & M11** Series)

Get your 12K (A2 & M11** Series) transmission parts here! From dipstick tubes to shift lever retainers, we have what you need for your vehicle. Shop for products like transfer case seals, sprockets, and shift linkage rods. Keep your transmission running smoothly with our quality parts.

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  • EPROM 6.5L NA ('95) EPROM 6.5L NA ('95)

    EPROM 6.5L NA ('95)

    EPROM 6.5L NA ('95) 5962014300182 Part Alternates: 16197350, 16254605, 5714647, 5962PL0725300, 5962-01-430-0182, 01-430-0182, 5962014300182, 014300182
  • EPROM ('96) 6.5L NA EPROM ('96) 6.5L NA

    EPROM ('96) 6.5L NA

    EPROM ('96) 6.5L NA 5962014300208 Part Alternates: 16229203, 16244695, 5714648, 5962PL0725306, 5962-01-430-0208, 01-430-0208, 5962014300208, 014300208
  • POPPET SCREW & SEAL
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    POPPET SCREW & SEAL

    POPPET SCREW & SEAL 5305013594586 Part Alternates: 16756, 4886473AA, 53008216, 5305PL0765489, 5714808, 5938717, 5305-01-359-4586, 01-359-4586, 5305013594586, 013594586
    $4.86
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  • HARNESS WIRING XMSN HARNESS WIRING XMSN

    HARNESS WIRING XMSN

    HARNESS WIRING XMSN 6150014702011 Part Alternates: 12181863, 24230344, 24241218, 5714928, 6150PL0731908, 6150-01-470-2011, 01-470-2011, 6150014702011, 121181688, 014702011
  • SUN GEAR 1997
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    SUN GEAR 1997

    GEAR SUN 3020014807299 Part Alternates: 24203397, 3020-01-480-7299, 01-480-7299, 3020014807299, 014807299
    $282.31
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  • SHAFT MAIN
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    SHAFT MAIN

    SHAFT MAIN 3040014807309 Part Alternates: 24203400, 5714943, 3040-01-480-7309, 01-480-7309, 3040014807309, 014807309
    $263.47
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  • Control Valve Gasket Control Valve Gasket
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    Control Valve Gasket

    Control Valve Gasket 5330014738584 Item #8 on the diagram Part Alternates: 24204268, 5330PL0753954, 5714948, 5330-01-473-8584, 01-473-8584, 5330014738584, 014738584
    $5.99
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  • TORQUE CONVERTOR REMAN TORQUE CONVERTOR REMAN

    TORQUE CONVERTOR REMAN

    TORQUE CONVERTOR REMAN Fits A2 Trucks only! #1 in Diagram 2520014608323 Part Alternates: 24204835, 2520PL0646151, 2520-01-460-8323, 01-460-8323, 2520014608323, 014608323
  • KIT OVERHAUL 4L80E

    KIT OVERHAUL 4L80E

    KIT OVERHAUL XMSN 3010014807597 Part Alternates: 24210954, 3010PL0848852, 456720030006 , 5714969, 3010-01-480-7597, 01-480-7597, 3010014807597, 014807597