HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-629 Neutral Safety Switch
Part #: 56425

Standard Ignition NS-629 Neutral Safety Switch

⚙️ 60 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
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Reliable Neutral Safety Switch for Dodge, Jeep, Mitsubishi, and Nissan

The Standard Ignition NS-629 Neutral Safety Switch is designed to provide precise and dependable operation for select Dodge, Jeep, Mitsubishi, and Nissan vehicles. Engineered with durable plastic construction and a bolt mount attachment, this switch ensures secure installation and consistent performance.

  • Compatible with Dodge Altima, Jeep Compass, Mitsubishi Lancer, Outlander, Outlander Sport, Patriot, and Nissan Caliber models
  • Black face color with a plastic finish for durability
  • 10 male blade terminals with one female rectangular connector
  • Bolt mount attachment method for secure fitting
  • Operates on standard 12-volt electrical systems
  • Length of 4.25 inches (107.95 mm) for precise fitment

Product Features and Specifications

The NS-629 neutral safety switch features a plastic housing with a black face color, designed to withstand typical automotive conditions. It includes 10 male blade terminals and a single female rectangular connector, facilitating straightforward electrical connections. The bolt mount attachment method ensures the switch remains firmly in place during vehicle operation. This switch is compatible with 12-volt systems commonly found in the specified vehicle models. Note that mounting hardware and gaskets are not included with this part.

Function and Application

This neutral safety switch is essential for preventing the engine from starting unless the transmission is in neutral or park, enhancing vehicle safety. It is commonly used to address issues such as:

  • Engine not starting due to faulty neutral safety switch
  • Intermittent starting problems in Dodge Altima or Jeep Compass
  • Transmission safety circuit malfunctions in Mitsubishi Lancer or Outlander
  • Electrical connection failures causing no-start conditions in Nissan Caliber
  • Replacement of worn or damaged neutral safety switches in compatible vehicles

Installation Notes and Tips

Installation of the Standard Ignition NS-629 requires removal of the old neutral safety switch and mounting the new unit using bolts (mounting hardware not included). Ensure the connector is properly aligned and securely attached to avoid electrical issues. Verify the switch's position corresponds with the transmission's neutral and park settings before finalizing installation. Professional installation is recommended for accurate alignment and safety compliance.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The NS-629 neutral safety switch undergoes rigorous quality control to maintain consistent functionality. While mounting hardware and gaskets are not included, the part is backed by Standard Ignition's warranty coverage, providing confidence in its long-term use.

BrandFour Seasons
Part Number56425
Bracket?w/ Bracket
Discharge End StyleP-Nut Fitting
Discharge End TypeP-Nut Fitting
Fittings IncludedNot Included
Friction Material Attachmentw/o Switch Port
Gasket Or Seal IncludedIncluded
Manifold?Yes
MaterialAluminum / Rubber
Muffler?w/o Muffler
O-Ring A Number/Desc[24404] / Slimline Washer
O-Ring B Number/Desc[24402] / Slimline Washer
O-Ring C Number/Desc[24353] / Sealing Washer
O-Ring D Number/Desc[24354] / Sealing Washer
O-Rings Included?Included
O.E. Replacement?Yes
Refrigerant TypeR134a
Service Port?w/o Service Port
Suction End StyleP-Nut Fitting
Suction End TypeP-Nut Fitting
Switch Included?Not Included
TypeDischarge & Suction Line

This part fits 60 vehicles. Search below:

YearMakeModelBody TypeTransmissionLitersCylindersFuel TypePositionNotes
2016JeepCompassAutomatic CVT2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016JeepPatriotAutomatic CVT2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2016MitsubishiLancer2.0LL4N/A
2016MitsubishiLancer2.4LL4N/A
2016MitsubishiOutlander2.4LL4N/A
2015JeepCompassAutomatic CVT2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015JeepPatriotAutomatic CVT2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2015MitsubishiLancer2.0LL4N/A
2015MitsubishiLancer2.4LL4N/A
2015MitsubishiOutlander2.4LL4N/A
2014JeepCompassAutomatic CVT2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014JeepPatriotAutomatic CVT2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2014MitsubishiLancer2.0LL4N/A
2014MitsubishiLancer2.4LL4N/A
2014MitsubishiOutlanderN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013JeepCompass2.0LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013JeepCompass2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013JeepPatriot2.0LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013JeepPatriot2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013MitsubishiLancer2.0LL4N/A
2013MitsubishiLancer2.4LL4N/A
2013MitsubishiOutlanderN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2013NissanAltimaCoupe2.5LL4N/A
2012DodgeCaliber2.0LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012DodgeCaliber2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012JeepCompassN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012JeepPatriotN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012MitsubishiLancer2.0LL4N/A
2012MitsubishiLancer2.4LL4N/A
2012MitsubishiOutlanderN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2012NissanAltima2.5LL4N/A
2011DodgeCaliber2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011DodgeCaliber2.0LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011JeepCompassN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011JeepPatriotN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011MitsubishiLancerN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011MitsubishiOutlanderN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011MitsubishiOutlander SportN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2011NissanAltima2.5LL4GASN/A
2010DodgeCaliber2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010JeepCompassN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010JeepPatriotN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010MitsubishiLancerN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2010NissanAltimaAutomatic CVT2.5LL4GASN/A
2009DodgeCaliber2.0LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009DodgeCaliber2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009JeepCompassN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009JeepPatriotN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009MitsubishiLancerN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2009NissanAltimaAutomatic CVT2.5LL4GASN/A
2008DodgeCaliber2.0LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008DodgeCaliber2.4LL4N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008JeepCompassN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008JeepPatriotN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008MitsubishiLancerN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2008NissanAltima2.5LL4N/A
2007DodgeCaliberAutomatic CVTN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2007JeepCompassN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2007JeepPatriotN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2007NissanAltima2.5LL4N/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:

11156425151659161532441153425819188032378126540864656425704633781265A72425CWK781265HA11386HA11386CT56425

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