HomeIgnition > Ignition CoilDenso 673-6303 Direct Ignition Coil
Part #: 673-6303

Denso 673-6303 Direct Ignition Coil

Coil on Plug
13 vehicles fit this part
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
Coil on Plug
Fitment: Lincoln and Ford, MKS, Flex, Taurus, and MKT
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Reliable Ignition Performance for Ford and Lincoln Vehicles

The Denso 673-6303 Direct Ignition Coil is designed to deliver consistent 12-volt ignition power for select Ford and Lincoln models. Engineered to meet OEM specifications, this gray ignition coil ensures efficient spark delivery for smooth engine operation.

  • Direct Ignition Coil with 12-volt voltage rating
  • Gray color for easy identification and fitment
  • Compatible with Ford Flex, Lincoln MKS, MKT, and Taurus models
  • Part number 673-6303 for precise replacement
  • Part of Denso's Coil on Plug product line for direct spark plug connection

About the Denso Coil on Plug Product Line

The Coil on Plug product line by Denso is designed to provide direct ignition coil solutions that connect directly to the spark plug, eliminating the need for spark plug wires. This design improves ignition efficiency and reduces potential points of failure. The 673-6303 ignition coil is part of this line, offering a reliable and straightforward replacement option for compatible Ford and Lincoln vehicles.

Product Details and Specifications

This ignition coil operates at a standard 12 volts, matching the electrical system requirements of the specified vehicles. The gray color casing helps with visual confirmation during installation and maintenance. The direct ignition coil design ensures a direct spark delivery to the plug, which can improve ignition timing and engine responsiveness. The Denso 673-6303 is engineered to fit Ford Flex, Lincoln MKS, MKT, and Taurus models, providing a precise fit and function.

Common Applications and Issues Addressed

  • Replacement for faulty or worn ignition coils in Ford Flex and Lincoln MKS
  • Resolves engine misfires and rough idling in Lincoln MKT
  • Improves starting issues and engine hesitation in Ford Taurus
  • Addresses ignition coil failure symptoms such as poor fuel economy
  • Helps restore proper ignition timing and spark delivery

Installation Notes and Tips

When installing the Denso 673-6303 ignition coil, ensure the vehicle's ignition system is powered off to avoid electrical shock. The direct ignition coil design allows for straightforward installation directly onto the spark plug. Verify the gray coil matches the original part for color and voltage rating. Use appropriate tools to avoid damaging the coil or spark plug during installation. Consult the vehicle’s service manual for torque specifications and installation procedures.

Quality Assurance and Warranty

Denso ignition coils are manufactured to meet strict quality standards and OEM specifications. The 673-6303 part undergoes rigorous testing to ensure durability and reliable performance. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.

BrandDenso
Part Number673-6303
PositionCoil on Plug
ColorGray
Voltage12

This part fits 13 vehicles. Search below:

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

* 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:

5C1856

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