HomeEmission Control > Electrical ConnectorsStandard Ignition S2909 Ignition Knock (Detonation) Sensor Connector
Part #: S2909

Standard Ignition S2909 Ignition Knock (Detonation) Sensor Connector

99 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Lincoln, Mazda, and Mercury, CX-9, Edge, Expedition, Explorer, F-150, Flex, MKS, MKT, MKX, MKZ, Mustang, Navigator, Sable, Taurus, Taurus X, and Transit
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Ignition Knock Sensor Connector for Ford and Lincoln

Standard Ignition S2909 is a female ignition knock sensor connector built for emission control and engine management repairs. It uses a rectangular housing with a weatherproof sealed design, 4 blade terminals, and 20-gauge wiring to support a secure electrical connection on a wide range of Ford, Lincoln, Mercury, and Mazda applications.

Key Features

  • Female ignition knock (detonation) sensor connector
  • Rectangular connector shape for OE-style fitment
  • Weatherproof sealed construction
  • 4 male blade terminals
  • 20 ga. wire and 20 ga. harness construction
  • 17 in. harness length for routing flexibility
  • 1 1/2 in. housing length
  • Standard Ignition S2909 part number for catalog matching

Detailed Description

Standard Ignition S2909 is a replacement knock sensor connector for vehicles that use a 4-terminal, blade-style electrical interface. The female connector body and sealed housing help maintain a stable connection at the sensor, while the 43 cm harness length provides room for routing in the engine bay. This part cross-references EC2809 and WPT1220 for the same application. Common fitment includes Ford F-150, Ford Explorer, Ford Edge, Ford Mustang, Lincoln Navigator, Lincoln MKX, Lincoln MKS, Mazda CX-9, and related Ford/Lincoln platforms.

Vehicle Fitment

  • Fits 2014-2021 Ford F-150, N/A
  • Fits 2018-2020 Ford Expedition, N/A
  • Fits 2018-2020 Ford Explorer, N/A
  • Fits 2011 Ford Explorer, N/A
  • Fits 2018-2020 Lincoln Navigator, N/A
  • Fits 2009-2019 Ford Flex, N/A
  • Fits 2016-2019 Ford Taurus, N/A
  • Fits 2008-2012 Ford Taurus, N/A
  • Fits 2015-2019 Ford Transit, N/A
  • Fits 2016-2019 Lincoln MKT, N/A
  • Fits 2010-2012 Lincoln MKT, N/A
  • Fits 2018 Ford Edge, N/A
  • Fits 2007-2012 Ford Edge, N/A
  • Fits 2017-2018 Lincoln MKX, N/A
  • Fits 2007-2015 Lincoln MKX, N/A
  • Fits 2011-2017 Ford Mustang, N/A
  • Fits 2009-2016 Lincoln MKS, N/A
  • Fits 2007-2015 Mazda CX-9, N/A
  • Fits 2008-2010 Lincoln MKZ, N/A
  • Fits 2008-2009 Ford Taurus X, N/A
  • Fits 2008-2009 Mercury Sable, N/A

Common Repair Uses

  • Broken or damaged knock sensor connector housing
  • Corroded or loose electrical terminals at the sensor
  • Intermittent knock sensor signal loss
  • Engine warning lights related to sensor circuit faults
  • Harness damage near the engine or intake area

Installation Notes

Verify connector shape, terminal count, and wire gauge before installation. Match the female connector to the vehicle-side sensor interface and confirm the harness route allows proper clearance from heat and moving components. For Ford F-150, Ford Explorer, and Lincoln Navigator applications, compare the original connector to Standard Ignition S2909 before final assembly.

Quality Assurance

Standard Ignition supplies electrical connectors for service replacement applications, and S2909 is built to match the listed OE-style connector configuration for the covered Ford, Lincoln, Mercury, and Mazda vehicles.

BrandStandard Ignition
Part NumberS2909
GenderFemale
Weather ResistantNo
Bend Angle (Deg.)0
Connector Quantity1
Connector ShapeRectangular
Gauge20 ga.
Harness Length - cm43
Harness Length - inches17
Housing Length (in)1 1/2
Terminal GenderMale
Terminal Quantity4
Terminal TypeBlade
Weatherproof SealedYes
Wire Gauge (ga)20
Wire Quantity4

This part fits 99 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2021FordF-1503.3LV6N/A
2020FordExpedition3.5LV6N/A
2020FordExplorer3.3LV6N/A
2020FordF-1503.5LV6N/A
2020LincolnNavigator3.5LV6N/A
2019FordExpedition3.5LV6N/A
2019FordExplorer3.5LV6N/A
2019FordF-1503.5LV6N/A
2019FordFlexN/A
2019FordTaurus3.5LV6N/A
2019FordTransit3.7LV6N/A
2019LincolnMKT3.5LV6N/A
2019LincolnNavigator3.5LV6N/A
2018FordEdge3.5LV6N/A
2018FordExpedition3.5LV6N/A
2018FordExplorer3.5LV6N/A
2018FordF-1503.5LV6N/A
2018FordFlexN/A
2018FordTaurus3.5LV6N/A
2018FordTransit3.7LV6N/A
2018LincolnMKT3.5LV6N/A
2018LincolnMKX3.7LV6N/A
2018LincolnNavigator3.5LV6N/A
2017FordF-1503.5LV6N/A
2017FordFlexN/A
2017FordMustang3.7LV6N/A
2017FordTaurus3.5LV6N/A
2017FordTransit3.7LV6N/A
2017LincolnMKT3.5LV6N/A
2017LincolnMKX3.7LV6N/A
2016FordF-1503.5LV6N/A
2016FordFlexN/A
2016FordMustang3.7LV6N/A
2016FordTaurus3.5LV6N/A
2016FordTransit3.7LV6N/A
2016LincolnMKSN/A
2016LincolnMKT3.5LV6N/A
2015FordF-1503.5LV6N/A
2015FordFlexN/A
2015FordMustang3.7LV6N/A
2015FordTransit3.7LV6N/A
2015LincolnMKSN/A
2015LincolnMKXN/A
2015MazdaCX-9N/A
2014FordF-1503.5LV6N/A
2014FordFlexN/A
2014FordMustang3.7LV6N/A
2014LincolnMKS3.5LV6N/A
2014LincolnMKXN/A
2014MazdaCX-9N/A
2013FordFlexN/A
2013FordMustang3.7LV6N/A
2013LincolnMKS3.5LV6N/A
2013LincolnMKXN/A
2013MazdaCX-9N/A
2012FordEdgeN/A
2012FordFlexN/A
2012FordMustang3.7LV6N/A
2012FordTaurusN/A
2012LincolnMKSN/A
2012LincolnMKTN/A
2012LincolnMKX3.7LV6N/A
2012MazdaCX-9N/A
2011FordEdgeN/A
2011FordExplorer3.5LV6N/A
2011FordFlexN/A
2011FordMustang3.7LV6N/A
2011FordTaurusN/A
2011LincolnMKSN/A
2011LincolnMKTN/A
2011LincolnMKX3.7LV6N/A
2011MazdaCX-9N/A
2010FordEdgeN/A
2010FordFlexN/A
2010FordTaurusN/A
2010LincolnMKSN/A
2010LincolnMKTN/A
2010LincolnMKX3.5LV6N/A
2010LincolnMKZ3.5LV6N/A
2010MazdaCX-9N/A
2009FordEdgeN/A
2009FordFlexN/A
2009FordTaurusN/A
2009FordTaurus XN/A
2009LincolnMKSN/A
2009LincolnMKX3.5LV6N/A
2009LincolnMKZ3.5LV6N/A
2009MazdaCX-9N/A
2009MercurySableN/A
2008FordEdgeN/A
2008FordTaurusN/A
2008FordTaurus XN/A
2008LincolnMKX3.5LV6N/A
2008LincolnMKZ3.5LV6N/A
2008MazdaCX-9N/A
2008MercurySableN/A
2007FordEdgeN/A
2007LincolnMKX3.5LV6N/A
2007MazdaCX-9N/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:

1P24815C3Z14489GACONB11397EC2809PT2891WPT1220

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