Cart

Quick Links

MegaSquirt Service Parts

Need individual components for your MegaSquirt? We’re now selling the individual packets from the kits directly through the website. We currently have all the electrical component packets from the MSx30 kits available, including the new BIP373 coil drivers. Click on the six subcategories above to view the products. We’ve organized them by part type, with anything that’s not a C, D, U, R or Q in the Other Parts category.
Subcategories include Capacitors, Diodes, Resistors, Transistors, Integrated Circuits & Other Parts.

EPA, CARB & Emissions Disclaimer- All ECU's are for race purposes only. It's your responsibility to remain in compliance with all federal, state, provincial, or other laws that apply to you.

Showing 17–32 of 89 results

  • IXDI604PI FET Driver – V3.0 U4

    $3.99

    IXDI604PI dual inverting MOSFET driver. Replaces the IXDI404PI in the original bill of materials. This is U4 in a V3.0 board, U7 in a V2.2.

    Add to cart
  • DB15 Solder Cup Connector

    $3.00

    DB15 female solder cup connector, as included in our V3.57 setups, DIYPNP, and VVTuner. Use this if you're making a new harness and prefer a soldered connection. This is the connector only; the backshell is sold separately.

    Add to cart
  • Jumper 10-Pack

    5 out of 5
    $7.49

    10-pack of wire jumpers in 5 colors. These fit 0.1" headers and are used on the JimStim to make connections for testing additional circuitry.   There are several other uses for them too.

    Add to cart
  • DB15 Metalized Plastic Backshell

    $3.00

    Metalized plastic backshell for the DB15 spare I/O connector, as used on our DIYPNP, VVTuner, and V3.57 boards.

    Add to cart
  • Y Vacuum Fitting

    $2.00

    1/8" vacuum Y-fitting, as included in the MSPNP and Mustang plug and play packages. This is made of clear polycarbonate. Maximum pressure 125 psi. This plastic is tough enough to take 275 degree F engine temps, and won't crack even if exposed to Siberian ...

    Add to cart
  • Replacement Relay Board Relay

    $7.99

    Single replacement Tyco relay for the relay board. This is a pretty standard relay (Mini-ISO) and may fit many OEM fuse boxes as well. SPST contacts, rated for 12 volts and 30 amps. Does not have a mounting tab, so trying to use it with spade terminals is...

    Add to cart
  • DB37 Solder Cup Connector for MS3X

    $6.50

    To make sure you can't accidentally switch the upper and lower harnesses, the MS3X harness uses a male DB37 connector instead of a female one.  We've packaged a DB37 male solder cup connector and a metalized plastic backshell for your MS3X builds. See t...

    Add to cart
  • Bulkhead Vacuum Fitting

    $2.49

    Bulkhead fittings, just like those included in our V2.2 kits and MapDaddy. It's made from black nylon, fits 1/8" vacuum line on both sides, and measures about 1 1/4" long. Use to replace broken fittings, or if you're running your MAP sensor or boost gauge...

    Add to cart
  • Bulkhead Vacuum Fitting – 1/8″ to 1/8″

    $2.50

    Bulkhead fittings, just like those used in the MSPNP Gen 2 and MS3Pro PNP line. It's made from black nylon, fits 1/8" vacuum line on the outside and 1/8" inside, and measures about 1 1/4" long. Use to replace broken fittings, or if you're running your MAP...

    Add to cart
  • Replacement DB37 Female PCB Mount Connector

    $5.99

    Replacement DB37 female PCB mount connector, as used on Stimulator kits. Could also be used on boards that plug into a MegaSquirt such as the TBI or TPI adapter board.

    Add to cart
  • MegaSquirt GPIO – Heat Sink Only

    $9.50

    Included is a Heat Sink Machined for MegaSquirt GPIO Board Part # GPIO-HS Similar to our V3.0 heat sink, but this one is made specifically for the GPIO board from 1/8" aluminum.

    Add to cart
  • TO-220 Mica insulator kit

    $5.00

    [3 Pack] Mica insulator / hardware kit for TO-220 components. Used for V3.0 / V3.57 Q9 and Q12, as well as for BIP373 coil drivers. Heat sink compound recommended. Includes 3 of each: mica insulators mounting screws nuts lockwasher i...

    Add to cart
  • LM1815 Chip

    $4.00

    Adaptive VR conditioner chip used in several versions of VR conditioning circuits. This is just the chip on its own; if you are looking for a complete package to add extra VR conditioners and a bit more to your MegaSquirt, see the Zeal Engineering Daughte...

    Add to cart
  • JimStim CPU

    $12.99

    Included is the JimStim CPU. A microcontroller loaded with the latest code, currently V2.0.4.

    Add to cart
  • Replacement DB9 Female PCB Mount Connector

    $2.49

    Replacement DB9 female PCB mount connector, as used in all our Megasquirt kits.

    Add to cart
  • Replacement DB37 Male PCB Mount Connector

    $2.99

    Replacement DB37 male PCB mount connector, as used on all regular Megasquirts, the Relay Board, and EEC-IV adapter boards.

    Add to cart