HomeEmission Control > Electrical ConnectorsStandard Ignition S2421 PCV Valve Connector - Front, Front Left or Rear
Part #: S2421

Standard Ignition S2421 PCV Valve Connector - Front, Front Left or Rear

Front, Front Left, and Rear
⚙️ 473 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Lincoln, Mazda, and Mercury, Aviator, Bronco, Bronco Sport, C-Max, Continental, Corsair, Crown Victoria, CX-9, E-150, E-250, E-350 Super Duty, EcoSport, Edge, Escape, Expedition, Explorer, Explorer Sport Trac, F-150, F-250 Super Duty, F-350 Super Duty, Fiesta, Five Hundred, Flex, Focus, Freestar, Freestyle, Fusion, Grand Marquis, Mariner, Mark LT, Milan, MKC, MKS, MKT, MKX, MKZ, Montego, Mountaineer, Mustang, Nautilus, Navigator, Ranger, Sable, Taurus, Taurus X, Town Car, Transit, Transit Connect, Transit-150, Transit-250, Transit-350, Transit-350 HD, Tribute, and Zephyr
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Reliable PCV Valve Connector for Ford, Lincoln, Mazda, and Mercury Vehicles

The Standard Ignition S2421 PCV Valve Connector is designed to provide a secure and efficient connection for your vehicle's emission control system. Engineered to meet OEM specifications, this female connector ensures reliable performance across a wide range of Ford, Lincoln, Mazda, and Mercury models.

  • Female connector gender with a square shape for precise fitment
  • Includes two female blade terminals for secure electrical contact
  • Supports two wires for optimal signal transmission
  • Compatible with multiple Ford, Lincoln, Mazda, and Mercury vehicles
  • Does not include mounting brackets, designed for direct connector replacement

Product Features and Specifications

The S2421 PCV Valve Connector from Standard Ignition features a female connector and terminal gender, both designed to ensure a tight and reliable connection. The square connector shape facilitates easy alignment and installation. Equipped with two female blade terminals, this connector supports two wires, making it suitable for various emission control applications. This part is engineered without mounting brackets, focusing on direct connector replacement to maintain system integrity.

Compatible Vehicles and Applications

This PCV valve connector is compatible with a broad range of vehicles, including Ford models such as the F-150, Explorer, Mustang, and Transit series; Lincoln models like the Continental and Navigator; Mazda CX-9; and Mercury models including the Mountaineer and Grand Marquis. The Standard Ignition S2421 is ideal for emission control electrical connector replacements in these vehicles, ensuring proper function of the PCV valve system.

Common Issues Addressed by the PCV Valve Connector

  • Intermittent or poor electrical connection in the PCV valve circuit
  • Corroded or damaged connector terminals causing emission control faults
  • Loose or worn connectors leading to vacuum leaks or check engine lights
  • Replacement of cracked or broken connector housings
  • Restoring proper signal flow to the PCV valve for emission compliance

Installation Notes and Tips

When installing the Standard Ignition S2421 PCV Valve Connector, ensure the connector is fully seated and the blade terminals are securely engaged. Verify wire routing to avoid pinching or excessive tension. Since mounting brackets are not included, confirm that the existing bracket or mounting point is intact and properly supports the connector. Use dielectric grease on terminals if recommended to prevent corrosion and improve conductivity.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing dependable performance for emission control systems. The S2421 PCV Valve Connector undergoes rigorous quality checks to ensure durability and fitment accuracy. Warranty coverage details should be confirmed with the product documentation or manufacturer.

BrandStandard Ignition
Part NumberS2421
Connector GenderFemale
Connector Quantity1
Connector ShapeSquare
Mounting Bracket(s) IncludedNo
Terminal GenderFemale
Terminal Quantity2
Terminal TypeBlade
Wire Quantity2

This part fits 473 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2024FordEdgeN/A
2023FordEdgeN/A
2023FordExpeditionN/A
2023FordExplorerN/A
2023LincolnAviatorN/A
2023LincolnNautilusN/A
2022FordBroncoN/A
2022FordEcoSportN/A
2022FordEdgeN/A
2022FordExpeditionN/A
2022FordExplorerN/A
2022FordF-150N/ALiftgate
2022FordF-250 Super Duty6.2LV8N/A
2022FordF-350 Super Duty6.2LV8N/A
2022FordMustangN/A
2022FordRangerN/A
2022FordTransitN/A
2022LincolnAviatorN/A
2022LincolnNautilusN/A
2022LincolnNavigatorN/A
2021FordBroncoN/A
2021FordBronco SportFront
2021FordEcoSportN/A
2021FordEdgeN/A
2021FordEscapeN/A
2021FordExpeditionN/A
2021FordExplorerN/A
2021FordF-150Front Left
2021FordF-250 Super DutyRear
2021FordF-350 Super DutyRear
2021FordMustangN/A
2021FordRangerN/A
2021FordTransitN/A
2021LincolnAviatorN/A
2021LincolnNautilusN/A
2021LincolnNavigatorN/A
2020FordEcoSportN/A
2020FordEdgeN/A
2020FordEscapeN/A
2020FordExpeditionN/A
2020FordExplorerN/A
2020FordF-150Front
2020FordF-250 Super DutyRear
2020FordF-350 Super DutyRear
2020FordFusionN/A
2020FordMustangN/A
2020FordRangerN/A
2020FordTransitN/A
2020LincolnAviatorN/A
2020LincolnContinental2.7LV6N/A
2020LincolnCorsairFront
2020LincolnMKZN/A
2020LincolnNautilusN/A
2020LincolnNavigatorN/A
2019FordEcoSportN/A
2019FordEdgeN/A
2019FordEscapeN/A
2019FordExpeditionN/A
2019FordExplorerN/ASide
2019FordF-150Front
2019FordF-250 Super DutyRear
2019FordF-350 Super DutyRear
2019FordFiestaFront
2019FordFlexN/ASide
2019FordFusionN/A
2019FordMustangN/A
2019FordRangerN/A
2019FordTaurusFront
2019FordTransitFront
2019FordTransit-150Front
2019FordTransit-250Front
2019FordTransit-350Front
2019FordTransit-350 HDFront
2019LincolnContinentalN/A
2019LincolnMKCN/ASide
2019LincolnMKTN/ASide
2019LincolnMKZN/A
2019LincolnNautilusN/A
2019LincolnNavigatorN/A
2018FordE-350 Super DutyFront
2018FordEcoSportN/A
2018FordEdgeN/A
2018FordEscapeN/A
2018FordExpeditionN/A
2018FordExplorerN/ASide
2018FordF-150N/A
2018FordF-250 Super DutyRear
2018FordF-350 Super DutyRear
2018FordFiestaFront
2018FordFlexN/ASide
2018FordFusionN/A
2018FordMustangN/A
2018FordTaurusFront
2018FordTransitFront
2018FordTransit ConnectN/A
2018FordTransit-150Front
2018FordTransit-250Front
2018FordTransit-350Front
2018FordTransit-350 HDFront
2018LincolnContinentalN/A
2018LincolnMKCFront
2018LincolnMKTN/A
2018LincolnMKXN/A
2018LincolnMKZN/A
2018LincolnNavigatorN/A
2017FordC-MaxN/A
2017FordE-350 Super DutyN/A
2017FordEdgeN/A
2017FordEscapeN/A
2017FordExpeditionN/A
2017FordExplorerN/A
2017FordF-150N/A
2017FordF-250 Super DutyN/A
2017FordF-350 Super DutyN/A
2017FordFiestaN/A
2017FordFlexN/A
2017FordFocusN/A
2017FordFusionN/A
2017FordMustangN/A
2017FordTaurusN/A
2017FordTransitN/A
2017FordTransit ConnectN/A
2017FordTransit-150Front
2017FordTransit-250Front
2017FordTransit-350Front
2017FordTransit-350 HDFront
2017LincolnContinentalN/A
2017LincolnMKCN/A
2017LincolnMKTN/A
2017LincolnMKXN/A
2017LincolnMKZN/A
2017LincolnNavigatorN/A
2016FordC-MaxN/A
2016FordE-350 Super DutyN/A
2016FordEdgeN/A
2016FordEscapeN/A
2016FordExpeditionN/A
2016FordExplorerN/A
2016FordF-150N/A
2016FordF-250 Super DutyN/A
2016FordF-350 Super DutyN/A
2016FordFiestaN/A
2016FordFlexN/A
2016FordFocusN/A
2016FordFusionN/A
2016FordMustangN/A
2016FordTaurusN/A
2016FordTransitN/A
2016FordTransit ConnectN/A
2016FordTransit-150Front
2016FordTransit-250Front
2016FordTransit-350Front
2016FordTransit-350 HDFront
2016LincolnMKCN/A
2016LincolnMKSN/A
2016LincolnMKTN/A
2016LincolnMKXN/A
2016LincolnMKZN/A
2016LincolnNavigatorN/A
2015FordC-MaxN/A
2015FordE-350 Super DutyN/A
2015FordEdgeN/A
2015FordEscapeN/A
2015FordExpeditionN/A
2015FordExplorerN/A
2015FordF-150N/A
2015FordF-250 Super DutyN/A
2015FordF-350 Super DutyN/A
2015FordFiestaN/A
2015FordFlexN/A
2015FordFocusN/A
2015FordFusionN/A
2015FordMustangN/A
2015FordTaurusN/A
2015FordTransitN/A
2015FordTransit ConnectN/A
2015FordTransit-150Front
2015FordTransit-250Front
2015FordTransit-350Front
2015FordTransit-350 HDFront
2015LincolnMKCN/A
2015LincolnMKSN/A
2015LincolnMKTN/A
2015LincolnMKXN/A
2015LincolnMKZN/A
2015LincolnNavigatorN/A
2014FordC-MaxN/A
2014FordE-150N/A
2014FordE-250N/A
2014FordE-350 Super DutyN/A
2014FordEdgeN/A
2014FordEscapeN/A
2014FordExpeditionN/A
2014FordExplorerN/A
2014FordF-150N/A
2014FordF-250 Super DutyN/A
2014FordF-350 Super DutyN/A
2014FordFiestaN/A
2014FordFlexN/A
2014FordFocusN/A
2014FordFusionN/A
2014FordMustangN/A
2014FordTaurusN/A
2014FordTransitFront
2014FordTransit ConnectN/A
2014LincolnMark LTN/A
2014LincolnMKSN/A
2014LincolnMKTN/A
2014LincolnMKXN/A
2014LincolnMKZN/A
2014LincolnNavigatorN/A
2013FordC-MaxN/A
2013FordE-150N/A
2013FordE-250N/A
2013FordE-350 Super DutyN/A
2013FordEdgeN/A
2013FordEdgeFront
2013FordEscapeN/A
2013FordExpeditionFront
2013FordExpeditionN/A
2013FordExplorerN/A
2013FordF-150Front
2013FordF-150N/A
2013FordF-250 Super DutyN/A
2013FordF-250 Super DutyFront
2013FordF-350 Super DutyN/A
2013FordFiestaN/A
2013FordFlexFront
2013FordFlexN/A
2013FordFocusN/A
2013FordFusionN/A
2013FordFusionFront
2013FordMustangFront
2013FordMustangN/A
2013FordTaurusFront
2013FordTaurusN/A
2013FordTransit ConnectN/A
2013LincolnMark LTN/A
2013LincolnMKSN/A
2013LincolnMKTFront
2013LincolnMKTN/A
2013LincolnMKXN/A
2013LincolnMKZN/A
2013LincolnNavigatorN/A
2012FordE-150N/A
2012FordE-250N/A
2012FordE-350 Super DutyN/A
2012FordEdgeFront
2012FordEdgeN/A
2012FordEscapeN/ASide
2012FordEscape3.0LV6N/A
2012FordExpeditionFront
2012FordExpeditionN/A
2012FordExplorerFront
2012FordExplorerN/A
2012FordF-150Front
2012FordF-150N/A
2012FordF-250 Super DutyN/A
2012FordF-250 Super DutyFront
2012FordF-350 Super DutyN/A
2012FordFiestaN/A
2012FordFlexFront
2012FordFlexN/A
2012FordFocusN/A
2012FordFusionFront
2012FordFusionN/A
2012FordFusion3.0LV6N/A
2012FordFusion3.5LV6N/A
2012FordMustangN/A
2012FordMustangFront
2012FordTaurusFront
2012FordTaurusN/A
2012FordTransit ConnectN/A
2012LincolnMark LTN/A
2012LincolnMKSN/A
2012LincolnMKTFront
2012LincolnMKTN/A
2012LincolnMKXN/A
2012LincolnMKZN/A
2012LincolnMKZ3.5LV6N/A
2012LincolnNavigatorFront
2012LincolnNavigatorN/A
2011FordE-150N/A
2011FordE-250N/A
2011FordE-350 Super DutyN/A
2011FordEdgeFront
2011FordEdgeN/A
2011FordEscapeN/ASide
2011FordEscape3.0LV6N/A
2011FordExpeditionFront
2011FordExpeditionN/A
2011FordExplorerFront
2011FordExplorerN/A
2011FordF-150Front
2011FordF-150N/A
2011FordF-250 Super DutyN/A
2011FordF-250 Super DutyFront
2011FordF-350 Super DutyN/A
2011FordFiestaN/A
2011FordFlexFront
2011FordFlexN/A
2011FordFocusN/ASide
2011FordFusionFront
2011FordFusionN/A
2011FordFusion3.0LV6N/A
2011FordFusion3.5LV6N/A
2011FordMustangN/A
2011FordMustangFront
2011FordRangerFront
2011FordRanger4.0LV6N/A
2011FordTaurusFront
2011FordTaurusN/A
2011FordTransit ConnectN/A
2011LincolnMark LTN/A
2011LincolnMKSN/A
2011LincolnMKTFront
2011LincolnMKTN/A
2011LincolnMKXN/A
2011LincolnMKZN/A
2011LincolnMKZ3.5LV6N/A
2011LincolnNavigatorFront
2011LincolnNavigatorN/A
2011LincolnTown CarN/A
2011MazdaTributeN/ASide
2011MercuryMarinerN/ASide
2011MercuryMariner3.0LV6N/A
2011MercuryMilanN/A
2011MercuryMilan3.0LV6N/A
2010FordE-150N/A
2010FordE-250N/A
2010FordE-350 Super DutyN/A
2010FordEdgeN/A
2010FordEscapeN/ASide
2010FordExpeditionN/A
2010FordExpeditionN/ASide
2010FordExplorer4.0LV6N/A
2010FordExplorer Sport Trac4.0LV6N/A
2010FordF-150N/A
2010FordF-150Front
2010FordFlexN/A
2010FordFusionN/A
2010FordFusionFront
2010FordFusion3.0LV6N/A
2010FordFusion3.5LV6N/A
2010FordMustangFront
2010FordMustang4.0LV6N/A
2010FordRangerFront
2010FordRanger4.0LV6N/A
2010FordTaurusFront
2010FordTaurusN/A
2010FordTaurus3.5LV6N/A
2010FordTransit ConnectN/A
2010LincolnMark LTN/A
2010LincolnMKSN/A
2010LincolnMKS3.5LV6N/A
2010LincolnMKTFront
2010LincolnMKTN/A
2010LincolnMKT3.5LV6N/A
2010LincolnMKXN/A
2010LincolnMKZN/A
2010LincolnNavigatorN/ASide
2010LincolnTown CarN/A
2010MazdaTributeN/ASide
2010MercuryMarinerN/ASide
2010MercuryMilanN/A
2010MercuryMilan3.0LV6N/A
2010MercuryMountaineer4.0LV6N/A
2009FordE-150N/A
2009FordE-250N/A
2009FordE-350 Super DutyN/A
2009FordEscapeN/A
2009FordEscapeN/ASide
2009FordExpeditionN/ASide
2009FordExplorer4.0LV6N/A
2009FordExplorer Sport Trac4.0LV6N/A
2009FordF-150Front
2009FordFlexN/A
2009FordFusion3.0LV6N/A
2009FordMustang4.0LV6N/A
2009FordRanger4.0LV6N/A
2009FordTaurusN/A
2009FordTaurus XN/A
2009LincolnMKSN/A
2009LincolnMKZN/A
2009LincolnNavigatorN/ASide
2009LincolnTown CarN/A
2009MazdaTributeN/ASide
2009MercuryMarinerN/A
2009MercuryMarinerN/ASide
2009MercuryMilan3.0LV6N/A
2009MercuryMountaineer4.0LV6N/A
2009MercurySableN/A
2008FordE-150N/A
2008FordE-250N/A
2008FordE-350 Super DutyN/A
2008FordEscapeN/ASide
2008FordExpeditionN/ASide
2008FordExplorer4.0LV6N/A
2008FordExplorer Sport Trac4.0LV6N/A
2008FordF-1504.2LV6N/A
2008FordFusion3.0LV6N/A
2008FordMustang4.0LV6N/A
2008FordRanger4.0LV6N/A
2008FordTaurusN/A
2008FordTaurus XN/A
2008LincolnMKXN/A
2008LincolnMKZN/A
2008LincolnNavigatorN/ASide
2008LincolnTown CarN/A
2008MazdaCX-9N/A
2008MazdaTributeN/ASide
2008MercuryMarinerN/ASide
2008MercuryMilan3.0LV6N/A
2008MercuryMountaineer4.0LV6N/A
2008MercurySableN/A
2007FordEdgeN/A
2007FordExplorer4.0LV6N/A
2007FordExplorer Sport Trac4.0LV6N/A
2007FordF-1504.2LV6N/A
2007FordFive HundredN/A
2007FordFreestarN/A
2007FordFreestyleN/A
2007FordFusion3.0LV6N/A
2007FordMustang4.0LV6N/A
2007FordTaurusN/A
2007LincolnMKXN/A
2007LincolnMKZN/A
2007LincolnTown CarN/A
2007MazdaCX-93.5LV6N/A
2007MercuryMilan3.0LV6N/A
2007MercuryMontegoN/A
2007MercuryMountaineer4.0LV6N/A
2006FordCrown VictoriaN/A
2006FordExplorer4.0LV6N/A
2006FordF-1504.2LV6N/A
2006FordFive HundredN/A
2006FordFreestarN/A
2006FordFreestyleN/A
2006FordFusion3.0LV6N/A
2006FordMustang4.0LV6N/A
2006FordTaurusN/A
2006LincolnTown CarN/A
2006LincolnZephyrN/A
2006MercuryGrand MarquisN/A
2006MercuryMilan3.0LV6N/A
2006MercuryMontegoN/A
2006MercuryMountaineer4.0LV6N/A
2005FordCrown VictoriaN/A
2005FordExplorer4.0LV6N/A
2005FordF-1504.2LV6N/A
2005FordFive HundredN/Aw/ Heated Valve
2005FordFreestarN/A
2005FordMustang4.0LV6N/A
2005FordTaurusN/A
2005LincolnAviatorN/A
2005LincolnTown CarN/A
2005MercuryGrand MarquisN/A
2005MercuryMountaineer4.0LV6N/A
2005MercurySableN/A
2004FordExplorer4.0LV6N/A
2004FordFocus2.0LL4N/A
2004FordFreestarN/A
2004FordMustang4.6LV8N/A
2004FordTaurusN/A
2004LincolnAviatorN/A
2004LincolnTown CarN/A
2004MercuryMountaineer4.0LV6N/A
2003FordExplorer4.0LV6N/A
2003FordExplorer Sport TracN/A
2003FordMustangGT4.6LV8N/A
2003LincolnAviatorN/A
2003MercuryMountaineer4.0LV6N/A
2002FordMustang4.6LV8N/Aw/ Heated Valve

* 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:

17711P24038U2Z14S411AAAEC2322PT2406WPT1314

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