HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-651 Neutral Safety Switch
Part #: NS-651

Standard Ignition NS-651 Neutral Safety Switch

⚙️ 20 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Fiesta and Focus
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Neutral Safety Switch for Ford Fiesta and Focus

The Standard Ignition NS-651 Neutral Safety Switch is designed to ensure safe and accurate transmission operation for your Ford Fiesta or Ford Focus. Engineered with durable materials and precise connectors, this switch helps maintain proper vehicle starting functions.

  • Connector Gender: Female for secure connection
  • Single connector quantity for streamlined installation
  • Durable plastic construction for long-lasting performance
  • Bolt mount type for stable and easy mounting
  • Four male pin terminals for reliable electrical contact

Detailed Product Description

The Standard Ignition NS-651 neutral safety switch is a critical component in the electrical system of Ford Fiesta and Ford Focus models. It features a female connector with one connection point and four male pin terminals, ensuring a precise and secure electrical interface. The switch is constructed from durable plastic and designed for bolt mounting, providing a stable and straightforward installation process. This part is engineered to meet OEM specifications, maintaining the integrity of your vehicle's starting and transmission safety systems.

Compatible Vehicles and Applications

This neutral safety switch is compatible with select Ford Fiesta and Ford Focus models, making it a suitable replacement part for vehicles requiring a reliable switch to prevent engine start in gear. It is ideal for addressing issues related to starting system malfunctions and transmission safety.

  • Prevents engine from starting in gear
  • Resolves intermittent starting problems
  • Eliminates no-start conditions related to faulty switch
  • Ensures proper transmission safety interlock function

Installation Notes and Tips

Installation of the Standard Ignition NS-651 neutral safety switch requires basic mechanical skills and tools. The bolt mount design allows for secure attachment to the transmission housing. Ensure the female connector is properly aligned with the vehicle wiring harness and that all four male pin terminals are fully engaged. It is recommended to verify switch alignment and test starting function before finalizing installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The NS-651 neutral safety switch undergoes rigorous quality control testing. Please refer to Standard Ignition's warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberNS-651
Connector GenderFemale
MaterialPlastic
Mounting TypeBolt Mount
Terminal GenderMale
Terminal TypePin

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2019FordFiestaN/A
2018FordFiestaN/A
2018FordFocus1.0LL3GASN/A
2017FordFiestaN/A
2017FordFocusFLEXN/A
2017FordFocusGASN/A
2016FordFiestaN/A
2016FordFocusFLEXN/A
2016FordFocusGASN/A
2015FordFiestaN/A
2015FordFocusFLEXN/A
2015FordFocusGASN/A
2014FordFiestaN/A
2014FordFocusGASN/A
2013FordFiestaN/A
2013FordFocusGASN/A
2012FordFiestaN/A
2012FordFocusFLEXN/A
2012FordFocusGASN/A
2011FordFiestaN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

5S13394AE8Z7F293ACSW548NS7053NSSA2SW6817

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.