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 alternatives
Aftermarket spark plugs that fit the Heritage Classic. Genuine Harley-Davidson is listed above, not here.
V-Twin
SPARK PLUG AIR COOLED RETRO CONVERSION KIT
In stock
Iron Pass £48.65£57.24View
Brisk
BRISK SPARK PLUGS
In stock
Iron Pass £4.40£5.18View
Ciro 3D
CIRO SPARK PLUG HUTS
In stock
Iron Pass £74.72£87.90View
Sumax
SUMAX PRO WIRE SPARK PLUG WIRE KITS
In stock
Iron Pass £68.77£80.90View
Samwel Supplies
SPARK PLUG AIR COOLED RETRO CONVERSION KIT
In stock
Iron Pass £26.91£31.66View
Nology
NOLOGY SILVER SPARK PLUGS
In stock
Iron Pass £19.64£23.10View
Nology
NOLOGY SPARK PLUG WIRE SETS
In stock
Iron Pass £155.89£183.40View
Nology
NOLOGY SPARK PLUG WIRE SETS
In stock
Iron Pass £155.89£183.40View
Zodiac (Genuine Zodiac Products)
SPARK PLUG & HEAD BOLT COVERS
In stock
Iron Pass £50.37£59.26View