Harley-Davidson Heritage Classic Spark Plugs
Genuine HD spark plugs and aftermarket alternatives that fit the Heritage Classic — all years. Select your year for exact fitment and pricing.
Genuine Harley-Davidson (3)
Aftermarket for your Heritage Classic
Confirmed to fit your Heritage Classic
Aftermarket spark plugs the supplier lists against the Heritage Classic. Genuine Harley-Davidson is listed above, not here.
V-Twin
SPARK PLUG AIR COOLED RETRO CONVERSION KIT
Brisk
BRISK SPARK PLUGS
Sumax
SUMAX PRO WIRE SPARK PLUG WIRE KITS
Samwel Supplies
SPARK PLUG AIR COOLED RETRO CONVERSION KIT
Nology
NOLOGY SILVER SPARK PLUGS
Nology
NOLOGY SPARK PLUG WIRE SETS
Nology
NOLOGY SPARK PLUG WIRE SETS
Zodiac (Genuine Zodiac Products)
SPARK PLUG & HEAD BOLT COVERS
Accel
Accel, U-groove platinum spark plug set. 14mm
OEM
OEM spark plug SE performance
OEM
OEM spark plug 6R10
CV Performance
CVP, ThunderCore Pro spark plug wire set. Black