Keeping your 1982–2000 GM 6.2L or 6.5L Detroit Diesel engine running strong starts with dependable electrical components, and Norcal Diesel Performance has you covered with a full selection of high-quality electrical parts designed to restore performance and reliability. From fuel system electronics and PMD-related components that help solve common drivability and stalling issues, to sensors, switches, and glow plug system parts that ensure proper cold starts and consistent operation, these upgrades are essential for both daily-driven and workhorse trucks. You’ll also find calibration resistors for fine-tuning engine behavior, gear reduction starters for faster, more reliable cranking, and durable wiring solutions built to handle the demands of older GM diesel platforms. Featuring trusted brands like Alliant Power, BD Diesel, and XDP Xtreme Diesel Performance, every electrical part on this page is selected to help extend engine life, improve starting and fueling performance, and keep your classic GM diesel performing the way it should.
