Standard Ignition Knock Sensor KS3 for 1987-1995 Buick/Cadillac/Chevrolet 3.3L 3.1L (Century, Commercial Chassis, Electra, LeSabre)
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The Standard Ignition Neutral Safety Switch (part number NS-31) is a direct-fit replacement for 1978-1995 Buick, Cadillac, Chevrolet, and Oldsmobile vehicles with 3.1L, 3.3L, and 3.4L engines.
Specifications:
| Number of Terminals | 7 |
| Connector Gender | Male |
| Connector Quantity | 1 |
| Voltage | 12V |
| Terminal Type | Blade |
| Number of wires | 0 |
| Material | Metal |
| Length - mm | 101.6 |
| Length - Inches | 4 |
| Gaskets Included | No |
| Connector Shape | Rectangular |
| Connector Gender | Female |
| Attachment Method | Bolt Mount |
Fits: 1978-1995 Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models including Century, Electra, LeSabre, Reatta, Regal, Riviera, Commercial Chassis, DeVille and more — 3.1L, 3.3L, and 3.4L 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 51252, KEM NS38, ACDelco 01994253, Duralast 51252, General Motors 1994237, Power Torque TE548, Airtex 1S5178, CARQUEST Premium by WELLS 53-31575
WARNING: This product contains a chemical known to the State of California to cause cancer.