Standard Ignition Neutral Safety Switch NS-21 for 1977-1981 Buick/Chevrolet/GMC 6.6L 5.7L (Century, Electra, Estate Wagon, LeSabre)
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The Standard Ignition Neutral Safety Switch (part number NS-5) is a direct-fit replacement for 1957-1972 Buick, Cadillac, Chevrolet, and GMC vehicles with 4.9L, 6.6L, and 3.7L engines.
Specifications:
| Number of Terminals | 4 |
| Connector Gender | Male |
| Terminal Gender | Male |
| Length - mm | 54.76875 |
| Voltage | 12V |
| Terminal Type | Blade |
| Number of wires | 0 |
| Material | Plastic, Metal |
| Length - Inches | 2.15625 |
| Gaskets Included | No |
| Finish | Aluminum, Plastic |
| Connector Quantity | 1 |
| Attachment Method | Push-in |
| Connector Shape | Round |
Fits: 1957-1972 Buick, Cadillac, Chevrolet, GMC, and Oldsmobile models including Electra, Estate Wagon, Gran Sport, LeSabre, Riviera, Skylark, Special, Sportwagon and more — 4.9L, 6.6L, and 3.7L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Carquest Standard Filters 51248, KEM NS4, Mighty Distributing System 3-2200, ACDelco 1993320, BWD S270, Duralast DR411, General Motors 1993320, Airtex 1S5135 and 4 more