NOS Casco OPV-51 Oil Pressure Switch – USA Made

Description:

Correct for GM, Chrysler, and AMC vehicles using warning light-style oil pressure systems. 1/8″ NPT thread with single spade terminal – activates dash light at low pressure. Cross-referenced with GM 1994162, Chrysler 2951234, and Standard PS-64. NOS condition – includes original packaging – ideal for restorers seeking period-correct electrical components.

🛠️ Part Overview

• Manufacturer: Casco Products Corp.

• Part Number: OPV-51

• Type: Oil Pressure Sender Switch

• Function: Activates warning light or gauge based on oil pressure threshold

• Thread Spec: 1/8″ NPT male

• Terminal: Single spade connector

• Country of Origin: USA

• Vintage Status: NOS examples available

• Packaging: Typically boxed or bagged with Casco branding

🚗 Fitment & Specific Applications

The OPV-51 switch is correct for a wide range of domestic vehicles from the 1960s through 1980s, especially GM and Chrysler platforms using idiot light-style oil pressure systems.

It’s commonly found in dash-mounted warning light systems, not gauge-type setups.

🔁 Cross-Reference Numbers

These interchange numbers reflect compatibility across OE and aftermarket oil pressure switches with similar specs.