NOS Sorensen PS-7 Oil Pressure Switch – USA Made
Description:
Correct for 1955–62 GM V8 platforms using Delco-style senders. Cross-referenced with Niehoff DR-133B, Standard PS-15, and Delco D-1802. Short stem, single terminal – activates warning light at low oil pressure. NOS condition – includes original packaging – not a reproduction.
⚙️ Part Overview
Manufacturer: Sorensen (Standard Motor Products)
Part Number: PS-7
Type: Oil Pressure Switch
Design: Single terminal, threaded body, typically short stem
Function: Activates warning light when oil pressure drops below threshold
Country of Origin: USA
Packaging: Typically boxed; NOS units may appear sealed or shelf-worn
🚗 Fitment & Specific Applications
While direct catalog data for PS-7 is scarce, it appears to be correct for 1950s–60s GM platforms, especially Chevrolet and Buick V8s, using Delco-style senders. Based on adjacent part numbers and verified listings:
Make Models (Typical) Years Engine Types Chevrolet Bel Air, Corvette, Impala 1955–1962 265, 283, 327 V8 Buick Special, Century 1956–1962 Nailhead V8 GMC C/K Series Trucks 1957–1963 Small-block V8 Pontiac Catalina, Bonneville 1957–1962 V8 platforms This switch is often mounted near the oil filter boss or rear block port and used in warning light circuits—not gauge systems.
🔁 Cross-Reference Numbers
Brand Part Number Sorensen PS-7 Niehoff DR-133B Standard PS-15 (approximate match) Delco D-1802 Borg Warner S320 NAPA Echlin OP9X Filko OP9X These interchange numbers reflect compatibility across multiple aftermarket brands for short-stem oil pressure switches used in GM platforms
