Denso
Coil on Plug

Denso 673-6303 Direct Ignition Coil

Brand Denso 673-6303
Color Gray
Voltage 12
Product line Coil on Plug
Fits Lincoln and Ford · 13 vehicles

OE-style replacement. Direct ignition coil for straightforward installation.

Stick coil design. Compact ignition technology from DENSO.

12-volt operation. Built for standard ignition system voltage.

Cross-references Airtex 5C1856, BWD E1112 and Echlin IC715 for the same application. See all 9.

$53.13Free shipping
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Order total $53.13
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Free returns within 60 days if it doesn't fit when fitment is verified.

Denso 673-6303 Ignition Coil Overview

The Denso 673-6303 direct ignition coil is a coil-on-plug replacement built for specific Ford and Lincoln applications. It is a 12-volt, gray ignition coil designed to deliver consistent spark performance for vehicles such as the Ford Flex, Ford Taurus, Lincoln MKS, and Lincoln MKT.

DENSO’s Coil on Plug line focuses on stick coil technology with careful testing and inspection during production. If you are replacing a failing ignition coil on a 2010-2012 Ford Taurus or a 2010-2012 Lincoln MKS, this part number 673-6303 is a direct-fit option for the listed applications.

Key Features

  • Direct ignition coil for coil-on-plug systems
  • 12-volt electrical specification
  • Gray housing
  • OE-style replacement for listed Ford and Lincoln vehicles
  • Cross-references Standard Ignition UF612 and Motorcraft DG 524 for the same application

Coil on Plug Product Line

Denso’s Coil on Plug line is focused on stick coil designs used in modern ignition systems. This product family is built for precise fitment and consistent ignition performance in applications that rely on individual coils mounted directly over the spark plug.

Vehicle Fitment

  • Fits 2013 Lincoln MKS, N/A, to 10/01/2012; Coil on Plug
  • Fits 2010-2012 Ford Flex, N/A, Coil on Plug
  • Fits 2012 Ford Taurus, N/A, to 02/06/2012; Coil on Plug
  • Fits 2010-2012 Lincoln MKS, N/A, Coil on Plug
  • Fits 2012 Lincoln MKT, N/A, to 02/29/2012; Coil on Plug
  • Fits 2010-2011 Ford Taurus, N/A, Coil on Plug
  • Fits 2010-2011 Lincoln MKT, N/A, Coil on Plug

What This Part Helps Address

  • Engine misfire caused by a weak ignition coil
  • Rough idle related to inconsistent spark output
  • Hard starting from ignition coil failure
  • Check engine light concerns tied to coil performance
  • Loss of acceleration response from ignition breakdown

Installation Notes

Verify the part number and match the vehicle build date before installation, especially on 2012 and 2013 applications with cutoff dates. Confirm the coil-on-plug layout and compare the connector and mounting style to the original unit before replacing the coil.

Quality Assurance

Denso states that this ignition coil line is produced with extensive testing and inspection to support consistent quality. Part number 673-6303 is built for the listed Ford and Lincoln applications and is backed by Denso’s established coil-on-plug product engineering.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2013LincolnMKSN/ATo 10/01/2012; Coil on Plug
2012FordFlexN/ACoil on Plug
2012FordTaurusN/ATo 02/06/2012; Coil on Plug
2012LincolnMKSN/ACoil on Plug
2012LincolnMKTN/ATo 02/29/2012; Coil on Plug
2011FordFlexN/ACoil on Plug
2011FordTaurusN/ACoil on Plug
2011LincolnMKSN/ACoil on Plug
2011LincolnMKTN/ACoil on Plug
2010FordFlexN/ACoil on Plug
2010FordTaurusN/ACoil on Plug
2010LincolnMKSN/ACoil on Plug
2010LincolnMKTN/ACoil on Plug
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Airtex — 5C1856BWD — E1112Echlin — IC715Ford — AA5Z 12029-AMotorcraft — DG 524NGK — U5224Spectra Premium — C-784Standard Ignition — UF612Wells — C1799