Denso
Coil on Plug

Denso 673-4014 Direct Ignition Coil

Brand Denso 673-4014
Voltage 12
Color Gray
Product line Coil on Plug
Fits INFINITI and Nissan · 4 vehicles

Direct ignition coil. OE-style replacement for dependable spark delivery.

Stick coil technology. Compact design from a leader in coil innovation.

12-volt operation. Matches standard ignition system voltage requirements.

Cross-references ACDelco E527D, Airtex 5C1168 and Beck/Arnley 178-8360 for the same application. See all 13.

$64.18Free 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 $64.18
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Denso Direct Ignition Coil 673-4014

Denso 673-4014 is a direct ignition coil in the Coil on Plug line, built for 12-volt operation and finished in gray. It is a fitment-specific replacement for select 2000-2001 Infiniti QX4 and Nissan Pathfinder applications with cylinder 1 coil-on-plug ignition.

Key Features

  • Direct ignition coil for coil-on-plug systems
  • 12-volt electrical specification
  • Gray housing
  • OE-style replacement for select Infiniti and Nissan applications
  • Part number 673-4014 for accurate ordering and lookup

Product Details

Denso’s Coil on Plug product line focuses on stick-coil ignition technology and uses controlled testing and inspection processes to support consistent ignition performance. This direct ignition coil is intended for vehicles that use a cylinder-specific coil-on-plug setup, including Fits 2001 INFINITI QX4, N/A; Fits 2001 Nissan Pathfinder, N/A; Fits 2000 INFINITI QX4, N/A; and Fits 2000 Nissan Pathfinder, N/A. If you are searching for a Denso ignition coil 673-4014 for a 2000-2001 Nissan Pathfinder or 2000-2001 Infiniti QX4 cylinder 1 application, this part number helps confirm the correct match.

This part cross-references ACDelco E527D and NGK U5209 for the same application.

Common Replacement Reasons

  • Engine misfire related to a weak or failed ignition coil
  • Rough idle or hesitation under acceleration
  • Hard starting caused by inconsistent spark delivery
  • Check engine light tied to ignition coil circuit faults
  • Loss of power from cylinder 1 ignition issues

Installation Notes

Verify the vehicle year, make, model, and cylinder location before installation. This coil is listed for cylinder 1 on the specified Infiniti QX4 and Nissan Pathfinder applications, so confirm the original coil position and connector style before replacing the part. Use clean electrical connections and inspect related ignition components during service.

Quality Assurance

Denso applies superior testing and inspection processes to its ignition coil production to help maintain consistent quality across the Coil on Plug line. The 673-4014 is built as a direct ignition coil replacement for the listed applications.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2001INFINITIQX4N/ATo 09/2000; Cylinder 1; Coil on Plug
2001NissanPathfinderN/ATo 08/2000; Cylinder 1; Coil on Plug
2000INFINITIQX4N/ACylinder 1; Coil on Plug
2000NissanPathfinderN/ACylinder 1; Coil on Plug
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — E527DAirtex — 5C1168Beck/Arnley — 178-8360BWD — E358Datsun/Nissan — 22448-4W000Delphi — GN10432Echlin — IC458Infiniti — 22448-4W000NGK — U5209Spectra Premium — C-606Standard Ignition — UF328Walker Products — 921-2140Wells — C1301