1978-1988 Oldsmobile Cutlass 442 Tachometer Circuit Board

1978-1988 Oldsmobile Cutlass 442 Tachometer Circuit Board

Restore pinpoint accuracy to your dash with this premium replacement tachometer circuit board for 1978-1988 Oldsmobile G-body applications. This board is a direct replacement for GM part number 25016634 and is engineered for vehicles equipped with the factory analog Rally Gauge cluster. Each board is pre-calibrated to your specific engine and RPM requirements to ensure a "plug-and-play" installation.

Gasoline Vehicle Fitment:

• 1978 Cutlass Salon / 442: 231 V6, 260 V8, 305 V8, 350 V8 (6000 RPM)
• 1979-1988 Cutlass Supreme: 231 V6, 307 V8 (6000 RPM)
• 1979-1987 Cutlass Salon: 231 V6, 305 V8 (6000 RPM)
• 1980-1988 Cutlass Calais: 2.5L I4, 231 V6, 305 V8, 307 V8 (6000 RPM)
• 1985-1987 Oldsmobile 442: 307 V8 (6000-7000 RPM Performance Face)

Diesel Vehicle Fitment:

• 1979-1985 Cutlass & Supreme: 5.7L Oldsmobile Diesel V8 (4500-5000 RPM)

Product Specifications:

• Direct fit for Rally Gauge clusters with part #25016634
• Supports all factory faces: 4500, 5000, 6000, and 7000 RPM
• Manufactured with modern automotive-grade solid-state components
• Terminal bolts pre-installed for easy mounting to the rear printed circuit
• Includes a lifetime warranty and detailed installation instructions

Calibration Info Required: During checkout, please provide your engine type (e.g., 307 V8, 231 V6, or 5.7L Diesel) and the maximum RPM shown on your tachometer face to ensure 100% accuracy.

Limitations:

• For factory analog tachometers only; not compatible with digital dashes
• Not compatible with "idiot light" clusters or FWD Cutlass Ciera models