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

Brand Standard Ignition S2421
Position Front, Front Left, and Rear
Connector Gender Female
Connector Quantity 1
Connector Shape Square
Mounting Bracket(s) Included No
Terminal Gender Female
Terminal Quantity 2
Terminal Type Blade
Wire Quantity 2
Fits Ford, Lincoln, Mazda, and Mercury · 473 vehicles

Direct replacement connector. Replaces only the damaged connector for a cost-effective repair.

High-grade materials. Copper alloy, brass, and phosphor bronze terminals with a polyamide housing.

100% tested. Verified for proper mechanical and electrical fit, form, and function.

Cross-references 1P2403, 8U2Z14S411AAA and 1771 for the same application. See all 6.

$38.72Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $38.72
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

PCV Valve Connector for Ford and Lincoln

Standard Ignition S2421 is a direct replacement PCV valve connector for a wide range of Ford, Lincoln, Mercury, and Mazda applications. It replaces a damaged electrical connector without requiring a full harness repair, helping restore a secure electrical connection in emission control service.

Key Features

  • Direct replacement electrical connector for PCV valve applications
  • Female connector with a square housing and blade terminals
  • 2-wire, 2-terminal design for the specified application
  • Housing made from polyamide resin for durability in harsh environments
  • Terminals use high-grade copper alloy, brass, and phosphor bronze materials
  • 100% tested for mechanical fit, electrical fit, form, and function

Detailed Description

Standard Ignition S2421 is built for emission control electrical repair where the original connector is damaged, brittle, or no longer locks in place. This PCV valve connector is a female, square-style connector engineered as a direct replacement for Ford F-150, Ford Explorer, Ford Escape, Lincoln Navigator, and related applications. It is also used across many other Ford and Lincoln platforms, including Mustang, Fusion, Taurus, and MKZ models.

The connector uses durable polyamide housing and metal terminals made from copper alloy, brass, and phosphor bronze to support long service life and stable electrical performance. Standard Ignition S2421 is a practical repair choice when servicing a Ford F-150 PCV valve connector, a Lincoln Navigator connector repair, or a Ford Explorer emission control connector replacement. This part cross-references 1P2403 and 8U2Z14S411AAA for the same application.

Common Problems This Part Can Help Solve

  • Broken or cracked PCV valve connector housing
  • Loose terminal contact causing intermittent electrical connection
  • Heat- or age-damaged connector body in the engine bay
  • Corroded or worn terminals affecting signal continuity
  • Need to replace only the damaged connector instead of the full harness

Installation Notes and Tips

Verify connector shape, terminal style, and wire count against the original part before installation. Inspect the mating PCV valve and nearby wiring for heat damage, corrosion, or broken locking tabs, and repair those issues before connecting the new part. Confirm the connector seats fully and locks securely after installation.

Quality Assurance

Standard Ignition tests these electrical connectors for proper mechanical and electrical fit, form, and function before release. The materials and construction are selected to support reliable performance in demanding underhood conditions.

This part fits 473 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1P24038U2Z14S411AAA1771EC2322PT2406WPT1314