SKP SP1015 Spark Plug

Brand SKP SP1015
Center Electrode Core Material Copper
Center Electrode Tip Material Iridium
Fits Ford, Land Rover, Mazda, and Mercury · 39 vehicles

Copper core. Provides dependable conductivity for ignition service.

Iridium tip. Adds wear resistance at the firing point.

Application-specific fitment. Gap notes are listed by vehicle for accurate service.

Cross-references Autolite XP5143 and TR5-1IX for the same application. See all 2.

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Overview

SKP SP1015 is a spark plug built for ignition service on a wide range of Ford, Mazda, Mercury, and Land Rover applications. It uses a copper center electrode core with an iridium tip for stable spark delivery and consistent ignition performance.

Compatible With Ford Ranger, Ford Explorer, Ford Explorer Sport Trac, Ford Mustang, Mazda B4000, Mercury Mountaineer, Land Rover LR3, Ford Escort, Ford EXP, and Mercury Lynx applications listed below.

Key Features

  • Copper core center electrode for dependable conductivity.
  • Iridium tip for improved wear resistance at the firing point.
  • Application-specific gap requirements listed by vehicle.
  • Secondary ignition spark plug for routine tune-up service.
  • SKP part number SP1015 for easy identification.

Fitment Details

  • Fits 2009-2011 Ford Ranger, N/A. Notes: Gap .054/1.4mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 2004-2005 Ford Ranger, N/A. Notes: Gap .054/1.4mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 2006-2010 Ford Explorer, N/A. Notes: Gap .054/1.4mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 2007-2010 Ford Explorer Sport Trac, N/A. Notes: Gap .054/1.4mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 2005-2010 Ford Mustang, N/A. Notes: Gap .054/1.4mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 2008-2010 Mazda B4000, N/A. Notes: Gap .053/1.3mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 2006-2010 Mercury Mountaineer, N/A. Notes: Gap .054/1.4mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 2008 Land Rover LR3, N/A. Notes: Gap .040/1.0mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 2005-2007 Land Rover LR3, N/A. Notes: Gap .054/1.4mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 2005 Ford Explorer, N/A. Notes: From 7/19/05; Gap .054/1.4mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 1987-1990 Ford Escort, N/A. Notes: Gap .044/1.1mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 1987 Ford EXP, N/A. Notes: Gap .044/1.1mm; Enhanced Tapered Ground Electrode with Platinum Chip.
  • Fits 1987 Mercury Lynx, N/A. Notes: Gap .044/1.1mm; Enhanced Tapered Ground Electrode with Platinum Chip.

What It Is Used For

  • Replacing worn spark plugs that can cause rough running.
  • Restoring consistent ignition in engines with misfire symptoms.
  • Addressing hard starting caused by degraded plug performance.
  • Maintaining proper combustion when service intervals are due.

Installation Notes

Verify the listed gap specification for the exact vehicle application before installation. Use the fitment notes to confirm the correct year break, especially for the 2005 Ford Explorer listing with the 7/19/05 note. Part number SP1015 should be matched to the vehicle application and ignition service requirements.

Quality Assurance

SP1015 is built with an iridium firing tip and copper core construction for a durable ignition service part. This part cross-references Autolite XP5143 and TR5-1IX for the same application.

This part fits 39 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2011FordRanger4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2010FordExplorer4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2010FordExplorer Sport Trac4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2010FordMustang4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2010FordRanger4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2010MazdaB4000——Gap: .053/1.3mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2010MercuryMountaineer4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2009FordExplorer4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2009FordExplorer Sport Trac4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2009FordMustang4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2009FordRanger4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2009MazdaB4000——Gap: .053/1.3mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2009MercuryMountaineer4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2008FordExplorer4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2008FordExplorer Sport Trac4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2008FordMustang4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2008Land RoverLR34.0LV6Gap: .040/1.0mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2008MazdaB4000——Gap: .053/1.3mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2008MercuryMountaineer4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2007FordExplorer4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2007FordExplorer Sport Trac4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2007FordMustang4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2007Land RoverLR34.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2007MercuryMountaineer4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2006FordExplorer4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2006FordMustang4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2006Land RoverLR34.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2006MercuryMountaineer4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2005FordExplorer4.0LV6From 7/19/05; Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2005FordMustang4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2005FordRanger4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2005Land RoverLR34.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
2004FordRanger4.0LV6Gap: .054/1.4mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
1990FordEscort——Gap: .044/1.1mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
1989FordEscort——Gap: .044/1.1mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
1988FordEscort——Gap: .044/1.1mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
1987FordEscort1.9LL4Gap: .044/1.1mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
1987FordEXP——Gap: .044/1.1mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
1987MercuryLynx1.9LL4Gap: .044/1.1mm; Enhanced Tapered Ground Electrode w/ Platinum Chip
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Autolite — XP5143TR5-1IX