/live/media/SI/SI_NS627_Fro.jpg)
Standard Ignition NS-627 Neutral Safety Switch
| Brand | Standard Ignition NS-627 |
|---|---|
| Connector Gender | Female |
| Mounting Type | Bolt Mount |
| Terminal Gender | Male |
| Fits | Ford, Lincoln, and Mercury · 77 vehicles |
Direct-fit replacement. Restores neutral safety lockout and helps improve road safety.
Copper alloy conductors. Deliver strong conductivity with low resistive losses.
Bolt mount design. Built with high-grade materials for service-professional demands.
Cross-references 5S13393, 9L8Z7H557A and CSW524 for the same application. See all 5.
Neutral Safety Switch for Ford and Lincoln
The Standard Ignition NS-627 neutral safety switch restores the factory shift-interlock function that prevents engine start unless the transmission is in Park or Neutral. Built as a direct-fit electrical replacement, it is suited for Ford Fusion, Escape, Explorer, Edge, Transit Connect, EcoSport, Taurus, and select Lincoln and Mercury applications.
- Direct-fit replacement for damaged OE neutral safety switch units
- Copper alloy conductors for strong electrical conductivity and low resistive loss
- Female connector with 1 connector, 3 male terminals
- Bolt-mount design for secure installation
- Built with robust materials for service-professional use
Detailed Product Overview
Standard Ignition NS-627 is an electrically operated neutral safety switch engineered to replace the original unit and restore proper starting interlock operation. It is a practical choice for Ford Fusion, Ford Escape, Ford Explorer, Ford Edge, Ford Transit Connect, Ford EcoSport, Ford Taurus, Lincoln MKT, Lincoln MKZ, Mercury Mariner, and Mercury Milan applications where the OE switch has failed or become unreliable. The copper alloy conductor design supports consistent signal transfer, while the bolt-mount construction helps maintain a stable fit at the transmission interface.
This part cross-references 5S13393 and 9L8Z7H557A for the same application. Standard Ignition NS-627 is also listed under interchange numbers CSW524, NS7029, and NSSB10002.
What It Helps Fix
- Engine cranks in gear or fails to crank in Park/Neutral
- Intermittent no-start condition related to the transmission range circuit
- Incorrect neutral safety lockout operation
- Electrical signal loss from a worn or damaged OE switch
- Starting concerns after transmission-related service or switch failure
Installation Notes and Tips
Verify connector style, terminal count, and bolt-mount location before installation. This NS-627 neutral safety switch uses a female connector with 3 male terminals, so matching the OE electrical interface is important for proper operation. After installation, confirm that the vehicle starts only in Park and Neutral and that the transmission range indication functions correctly.
Quality Assurance
Standard Ignition builds this replacement switch with service-grade materials and copper alloy conductors to support dependable electrical performance in daily repair use.
| Year | Make | Model | Submodel | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2022 | Ford | EcoSport | — | — | 2.0L | L4 | — | N/A | — |
| 2021 | Ford | EcoSport | — | — | 1.0L | L3 | — | N/A | — |
| 2021 | Ford | Transit Connect | — | — | — | — | — | N/A | — |
| 2020 | Ford | EcoSport | — | — | 1.0L | L3 | — | N/A | — |
| 2020 | Ford | Fusion | — | Automatic | 2.5L | L4 | — | N/A | — |
| 2020 | Ford | Transit Connect | — | — | — | — | — | N/A | — |
| 2019 | Ford | EcoSport | — | — | 1.0L | L3 | — | N/A | — |
| 2019 | Ford | Escape | — | Automatic | — | — | — | N/A | — |
| 2019 | Ford | Explorer | — | — | 2.3L | L4 | — | N/A | — |
| 2019 | Ford | Fusion | — | Automatic | 2.5L | L4 | — | N/A | — |
| 2019 | Ford | Taurus | — | — | 3.5L | V6 | — | N/A | — |
| 2019 | Ford | Transit Connect | — | — | — | — | — | N/A | — |
| 2019 | Lincoln | MKT | — | — | 3.5L | V6 | — | N/A | — |
| 2018 | Ford | EcoSport | — | — | 1.0L | L3 | — | N/A | — |
| 2018 | Ford | Edge | — | — | 2.0L | L4 | — | N/A | — |
| 2018 | Ford | Escape | — | Automatic | — | — | — | N/A | — |
| 2018 | Ford | Explorer | — | — | 2.3L | L4 | — | N/A | — |
| 2018 | Ford | Fusion | — | Automatic | — | — | — | N/A | — |
| 2018 | Ford | Taurus | — | — | 3.5L | V6 | — | N/A | — |
| 2018 | Ford | Transit Connect | — | — | — | — | — | N/A | — |
| 2018 | Lincoln | MKT | — | — | 3.5L | V6 | — | N/A | — |
| 2017 | Ford | Edge | — | — | 2.0L | L4 | — | N/A | — |
| 2017 | Ford | Escape | — | Automatic | — | — | — | N/A | — |
| 2017 | Ford | Explorer | — | — | 2.3L | L4 | — | N/A | — |
| 2017 | Ford | Fusion | — | Automatic | — | — | — | N/A | — |
| 2017 | Ford | Taurus | — | — | 2.0L | L4 | — | N/A | — |
| 2017 | Ford | Transit Connect | — | — | — | — | — | N/A | — |
| 2017 | Lincoln | MKT | — | — | 3.5L | V6 | — | N/A | — |
| 2016 | Ford | Edge | — | — | 2.0L | L4 | — | N/A | — |
| 2016 | Ford | Escape | — | Automatic | — | — | — | N/A | — |
| 2016 | Ford | Explorer | — | — | 2.3L | L4 | — | N/A | — |
| 2016 | Ford | Fusion | — | Automatic | — | — | — | N/A | — |
| 2016 | Ford | Taurus | — | — | 2.0L | L4 | — | N/A | — |
| 2016 | Ford | Transit Connect | — | — | — | — | — | N/A | — |
| 2016 | Lincoln | MKT | — | — | 2.0L | L4 | — | N/A | — |
| 2015 | Ford | Edge | — | — | 2.0L | L4 | — | N/A | — |
| 2015 | Ford | Escape | — | Automatic | — | — | — | N/A | — |
| 2015 | Ford | Explorer | — | — | 2.0L | L4 | — | N/A | — |
| 2015 | Ford | Fusion | — | Automatic | — | — | — | N/A | — |
| 2015 | Ford | Taurus | — | — | 2.0L | L4 | — | N/A | — |
| 2015 | Ford | Transit Connect | — | — | — | — | — | N/A | — |
| 2015 | Lincoln | MKT | — | — | 2.0L | L4 | — | N/A | — |
| 2014 | Ford | Edge | — | — | 2.0L | L4 | — | N/A | — |
| 2014 | Ford | Escape | — | — | — | — | — | N/A | — |
| 2014 | Ford | Explorer | — | — | 2.0L | L4 | — | N/A | — |
| 2014 | Ford | Fusion | — | Automatic | — | — | — | N/A | — |
| 2014 | Ford | Taurus | — | — | — | — | — | N/A | — |
| 2014 | Ford | Transit Connect | — | — | — | — | — | N/A | — |
| 2014 | Lincoln | MKT | — | — | 2.0L | L4 | — | N/A | — |
| 2013 | Ford | Edge | — | — | 2.0L | L4 | — | N/A | — |
| 2013 | Ford | Escape | — | — | — | — | — | N/A | — |
| 2013 | Ford | Explorer | — | — | 2.0L | L4 | — | N/A | — |
| 2013 | Ford | Fusion | — | Automatic | — | — | — | N/A | — |
| 2013 | Ford | Taurus | — | — | — | — | — | N/A | — |
| 2013 | Lincoln | MKT | — | — | 2.0L | L4 | — | N/A | — |
| 2012 | Ford | Edge | — | — | 2.0L | L4 | — | N/A | — |
| 2012 | Ford | Escape | — | — | — | — | — | N/A | — |
| 2012 | Ford | Explorer | — | — | 2.0L | L4 | — | N/A | — |
| 2012 | Ford | Fusion | — | — | — | — | — | N/A | — |
| 2012 | Lincoln | MKZ | — | — | — | — | — | N/A | — |
| 2011 | Ford | Escape | — | — | — | — | — | N/A | — |
| 2011 | Ford | Fusion | — | Automatic | — | — | — | N/A | — |
| 2011 | Lincoln | MKZ | — | — | — | — | — | N/A | — |
| 2011 | Mercury | Mariner | Base | — | 2.5L | L4 | — | N/A | — |
| 2011 | Mercury | Mariner | Base | — | 3.0L | V6 | — | N/A | — |
| 2011 | Mercury | Mariner | Premier | — | 3.0L | V6 | — | N/A | — |
| 2011 | Mercury | Milan | Base | — | — | — | — | N/A | — |
| 2011 | Mercury | Milan | Hybrid | — | — | — | — | N/A | — |
| 2011 | Mercury | Milan | Premier | — | 2.5L | L4 | — | N/A | — |
| 2011 | Mercury | Milan | Premier | — | 3.0L | V6 | — | N/A | — |
| 2010 | Ford | Escape | — | — | — | — | GAS | N/A | — |
| 2010 | Ford | Fusion | — | Automatic | — | — | — | N/A | — |
| 2010 | Lincoln | MKT | — | Automatic | 3.5L | V6 | — | N/A | — |
| 2010 | Mercury | Mariner | — | — | — | — | GAS | N/A | — |
| 2010 | Mercury | Milan | — | — | — | — | GAS | N/A | — |
| 2009 | Ford | Escape | — | — | — | — | GAS | N/A | — |
| 2009 | Mercury | Mariner | — | — | — | — | GAS | N/A | — |
| No rows match your filter. | |||||||||