GM PART NUMBER 3758432 — DELCO PRESSURE SENDER / OIL PRESSURE SWITCH
Description:
NC NOS 1958-62 VACUUM MODULATOR VALVE POWERGLIDE TRANSMISSION
GM / DELCO OIL PRESSURE SWITCH
GM Part Number: 3758432 Brand: Delco – Genuine GM Service Part Category: Engine Electrical / Oil Pressure Switch Condition: New Old Stock (NOS)
FITMENT / APPLICATION MATRIX
Based on GM electrical catalog usage for 3758432
| Year Range | Make | Engine | Application |
|---|---|---|---|
| 1958–1967 | Chevrolet | Inline‑6 & Small‑Block V8 | Oil pressure warning light switch |
| 1959–1966 | Pontiac | V8 | Dash warning lamp sender |
| 1959–1967 | Oldsmobile | V8 | Standard oil‑pressure switch |
| 1959–1967 | Buick | V8 | Light‑circuit pressure switch |
| 1960–1970 | GMC Trucks | 6‑cyl & V8 | Oil pressure lamp switch |
| Marine / Industrial GM Engines | 1960s–1970s | 4‑, 6‑, and V8 | Same Delco sender used in many industrial blocks |
Fitment Summary: 3758432 is a universal GM oil‑pressure warning switch used across most GM divisions for more than a decade. It is not a gauge sender — it is the on/off switch for the warning lamp.
DESCRIPTION
For sale is a Genuine GM / Delco Oil Pressure Switch, part number 3758432, used across a wide range of GM vehicles from the late 1950s through the 1970s. This switch activates the oil‑pressure warning light and is critical for engine protection and accurate dashboard indication.
This is a New Old Stock unit in original GM/Delco packaging — ideal for concours restorations, OEM‑correct engine rebuilds, or replacing a failing sender on vintage GM engines.
FEATURES
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Genuine GM/Delco OEM part
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Correct for many Chevrolet, Pontiac, Oldsmobile, Buick, and GMC engines
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Activates oil‑pressure warning lamp
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Threaded brass fitting with insulated terminal
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NOS condition with original box
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Perfect for restoration or OEM‑spec service
APPLICATION 1958-1962 CHEVROLET BELAIR NOVA IMPALA CAPRICE


