Dinan D640-0003 Iridium Spark Plug - Heat Range 12 - Single

Shop Dinan performance parts for BMW and Toyota applications by exact manufacturer part number, verified vehicle fitment, and required supporting hardware.Choosing the Correct Dinan Part Match the complete Dinan part number Confirm year, make, model, engine, drivetrain, and factory options Check software or supporting hardware requirements Verify finish, mounting location, and included components Dinan Product SelectionDinan develops intake, exhaust, ignition, suspension, drivetrain, and carbon fiber components for specific vehicle configurations. Chassis and engine codes belong in application notes, not in the model field.Related Dinan Products Cold air intakes Exhaust systems Suspension parts Ignition parts Frequently Asked QuestionsHow do I confirm a Dinan part fits?Match the part number, year, make, model, engine, drivetrain, body style, factory options, and every manufacturer application note.Are chassis and engine codes valid models?No. Codes identify the platform or engine an...

Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...

Ignition parts keep every cylinder firing on time and every start crisp, and Black Ops Auto Works stocks the full system in one collection. Spark plugs, coil packs, plug wires, distributors, starters, sensors, and glow plugs from NGK, Granatelli, MSD, Ford Performance, Moroso, Mishimoto, HKS, and COBB all live here. Whether you are chasing a weak spark on a daily driver, refreshing a tune-up on an LS or Coyote build, or wiring in a full coil-on-plug conversion, this collection has the OEM-grade replacements and the performance upgrades to keep the mixture lighting off cleanly under boost, high RPM, or heavy load. What Belongs in the Ignition System The ignition system is more than just the spark plug. Every part in this collection plays a role in taking 12-volt battery power, stepping it up to tens of thousands of volts, and delivering that spark to the right cylinder at the right instant. Weakness anywhere in the chain shows up as misfires, hard starts, poor mileage, or a chec...

Spark plugs for cars, trucks, SUVs, and import platforms are stocked at Black Ops Auto Works. Shop iridium spark plugs, laser iridium spark plugs, double platinum spark plugs, nickel spark plugs, and racing spark plugs for LS, LT, HEMI, EcoBoost, Subaru EJ and FA, and import turbo engines. Every product is filterable by heat range, thread size, gap, and vehicle year, make, model, and engine so the correct spark plug ships the first time. Black Ops Auto Works carries 480 spark plug SKUs across every major electrode material and heat range. What This Category Covers Spark plugs ignite the compressed air and fuel mixture in each cylinder, and the correct plug for your engine depends on electrode material, heat range, and thread specification. Choosing the wrong heat range or gap can cause misfires, fouling, or in extreme cases pre-ignition damage. Electrode Materials Iridium and laser iridium plugs use a fine center electrode for a stronger, more consistent spark and the longest se...