Karlyn
Karlyn-STI

Karlyn 789 Spark Plug Wire Set

Brand Karlyn 789
Boot Type Oem
Color Black
Engine Oem
Product line Karlyn-STI
Fits Ford and Mazda · 25 vehicles

OEM boot type. Matches original-style fit and connection points.

Black finish. Clean, understated look for the ignition system.

Spark plug wire set. Complete wire set for ignition service and replacement.

$18.80Free 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 $18.80
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Karlyn-STI Spark Plug Wire Set for Ranger and B2300

The Karlyn spark plug wire set, part number 789, is an ignition wire replacement built for OE-style fitment and black underhood appearance. It is listed with OEM boot type and OEM engine application details for a direct-service replacement on select Ford Ranger and Mazda B2300 models.

Key Features

  • OE boot type for factory-style connection at the spark plug and ignition end
  • Black wire color for a clean, original-equipment look
  • OEM engine application listing for the intended vehicle platform
  • Karlyn-STI product line coverage for ignition wire and related components
  • Part number 789 for accurate ordering and catalog matching

Fitment Details

  • Fits 2001-2008 Ford Ranger, N/A
  • Fits 2001-2008 Mazda B2300, N/A

This Karlyn-STI ignition wire set is built for 2001-2008 Ford Ranger and 2001-2008 Mazda B2300 applications. The OE-style boot design supports a factory-like connection at the spark plugs, while the black finish keeps the engine bay consistent with original equipment styling. If you are searching for a Ford Ranger spark plug wire set 789 or a Mazda B2300 ignition wire replacement, this part number identifies the correct catalog listing.

Common Repair Uses

  • Replacing worn or heat-aged spark plug wires
  • Restoring consistent ignition transfer to the spark plugs
  • Addressing misfire concerns tied to damaged wire insulation
  • Correcting cracked, brittle, or oil-contaminated wire routing components
  • Refreshing ignition service parts on Ford Ranger and Mazda B2300 models

Installation Notes

Match each wire to the original routing before removal, then transfer one lead at a time to reduce the chance of cross-firing. Inspect plugs, coil connections, and nearby ignition components during service, and confirm secure boot seating at both ends after installation. Verify vehicle application by year and model before ordering part number 789.

Quality Assurance

Karlyn-STI identifies this spark plug wire set as an OE-style ignition service part with OEM boot type and OEM engine application details for the listed vehicles. Part number 789 is cataloged for direct fitment on the specified Ford Ranger and Mazda B2300 applications.

This part fits 25 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2008FordRangerXL2.3LL4N/AKarlyn-STI
2008FordRangerXLT2.3LL4N/AKarlyn-STI
2008MazdaB2300N/AKarlyn-STI
2007FordRangerSTX2.3LL4N/AKarlyn-STI
2007FordRangerXL2.3LL4N/AKarlyn-STI
2007FordRangerXLT2.3LL4N/AKarlyn-STI
2007MazdaB2300N/AKarlyn-STI
2006FordRangerXL2.3LL4N/AKarlyn-STI
2006FordRangerXLT2.3LL4N/AKarlyn-STI
2006MazdaB2300N/AKarlyn-STI
2005FordRangerXL2.3LL4N/AKarlyn-STI
2005FordRangerXLT2.3LL4N/AKarlyn-STI
2005MazdaB2300N/AKarlyn-STI
2004FordRangerXL2.3LL4N/AKarlyn-STI
2004FordRangerXLT2.3LL4N/AKarlyn-STI
2004MazdaB2300N/AKarlyn-STI
2003FordRangerXL2.3LL4N/AKarlyn-STI
2003FordRangerXLT2.3LL4N/AKarlyn-STI
2003MazdaB2300N/AKarlyn-STI
2002FordRangerXL2.3LL4N/AKarlyn-STI
2002FordRangerXLT2.3LL4N/AKarlyn-STI
2002MazdaB2300N/AKarlyn-STI
2001FordRangerXL2.3LL4N/AKarlyn-STI
2001FordRangerXLT2.3LL4N/AKarlyn-STI
2001MazdaB2300N/AKarlyn-STI