Classic MegaSquirt Replacement Hardware Kit

The Classic MegaSquirt Replacement Hardware Kit provides all the essential mounting and enclosure components for building or repairing your Classic MegaSquirt-2 or MegaSquirt-3 Kit ECU. Whether you're missing a single screw or rebuilding from scratch, this kit ensures a smooth, frustration-free assembly. These are the exact parts included in our full ECU kits—no off-brand substitutions, no sizing guesswork. Everything fits properly with the standard MegaSquirt case and mainboard. Includes: Case screws for final enclosure assembly DB37 female socket for main wiring connection DB37 backshell for strain relief and protection Mica insulator to isolate high-power components Heatsink compound for thermal transfer efficiency Nylon screw and nut for secure voltage regulator mounting