🔥 Delco D1975A Ignition Control Module – NOS Performance for GM HEI V8 Classics 🔥

$24.99

type: Unknown Type
Vendor: CorvairFarmer

Description:

🔧 Product Overview: Delco D1975A Ignition Control Module

The D1975A is a GM OE-style ignition control module used in HEI (High Energy Ignition) systems found in a wide range of GM V8 engines from the mid-1970s through the early 1990s. It’s designed to regulate spark timing and dwell, ensuring consistent ignition performance under varying RPM and load conditions.

Key Specs:

  • Type: Ignition control module (ICM)

  • Mounting: Internal to HEI distributor (4-pin configuration)

  • Function: Controls coil saturation and spark timing

  • Material: Epoxy-sealed electronics with aluminum heat sink

  • Cross-References:

    • ACDelco D1975A / GM 19179575

    • Standard LX301

    • Wells DR100

    • BWD CBE4

  • Made in: USA 🇺🇸 or Mexico 🇲🇽 (varies by batch)


🚗 Vehicle Compatibility

The D1975A fits a wide range of GM vehicles equipped with HEI distributors, especially those using 4-pin modules. Verified applications include:

Chevrolet

  • Camaro / Chevelle / El Camino / Monte Carlo / Nova (1975–1986)

  • C10 / C20 / C30 / K10 / K20 / K30 Trucks (1975–1986)

  • Caprice / Impala / Malibu / Suburban (1975–1986)

  • Corvette (1975–1982)

Pontiac

  • Firebird / Grand Prix / Bonneville / Catalina / LeMans (1975–1986)

Oldsmobile

  • Cutlass / 88 / 98 / Toronado (1975–1986)

Buick

  • Regal / Electra / LeSabre / Skylark / Riviera (1975–1986)

Cadillac

  • DeVille / Fleetwood / Eldorado / Seville (1975–1986)

GMC

  • Sierra / Jimmy / Suburban / Caballero (1975–1986)

⚠️ Always confirm fitment by distributor type — this module is for non-computer-controlled 4-pin HEI systems. Later models may use 5-, 7-, or 8-pin modules with ECM integration.

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