AC Delco Spark Plugs

Find high-quality AC Delco spark plugs and other AC Delco parts at Advance Auto Parts. With over 191 AC Delco spark plugs in our assortment, finding the right parts for your vehicle has never been easier.

Some of our most popular spark plugs from AC Delco are the Conventional Spark Plug (Part #LM46, from $2.49), Spark Plug (Part #R45T, from $2.49), and Conventional Spark Plug (Part #21025102, from $2.99). Be sure to add your year, make, model and engine to the garage to find the correct spark plugs for your vehicle.

According to our customers, when it comes to great spark plugs products, AC Delco makes some of the best. Our customers think the Double Platinum Spark Plug (Part #41-962, (5 star rating), Conventional Spark Plug (Part #CR43TS, (5 star rating), and Iridium Spark Plug (Part #41-109, (5 star rating) are some of the high-quality parts from the AC Delco brand. Be sure to add your own rating or review of these products so everyone can benefit from your experience!

A wide selection of parts, competitive prices, and great customer service make Advance Auto Parts your one-stop shop for quality AC Delco spark plugs products. Plus, you can have your spark plugs order shipped directly to you, or you can pick it up in one of our convenient store locations in 30 minutes or less! Find a store near you. Explore our top spark plugs and other AC Delco Parts below.

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Top AC Delco Spark Plug Deals

Spark Plug from $2.49 AC Delco Spark Plug
This product is not rated #R45T
Spark Plug from $2.49 AC Delco Conventional Spark Plug
This product is not rated #LM46
Spark Plug from $2.99 AC Delco Conventional Spark Plug
This product is not rated #21025102
Spark Plug from $3.29 AC Delco Conventional Spark Plug
This product is not rated #CR44TS
Spark Plug from $3.29 AC Delco Conventional Spark Plug
This product is not rated #C45L
Spark Plug from $3.31 AC Delco Professional Copper Core Spark Plugs
This product is not rated #F1000622399ACD
Spark Plug from $3.49 AC Delco Conventional Spark Plug
This product is not rated #R85TS
Spark Plug from $3.49 AC Delco Conventional Spark Plug
This product is not rated #CR42TS
Spark Plug from $3.49 AC Delco Conventional Spark Plug
(1 reviews) #R42LTS6
Spark Plug from $3.49 AC Delco Conventional Spark Plug
(2 reviews) #41-631
Spark Plug from $3.49 AC Delco Conventional Spark Plug
(1 reviews) #FR5LS
Spark Plug from $3.49 AC Delco Conventional Spark Plug
This product is not rated #R42T
Spark Plug from $3.49 AC Delco Conventional Spark Plug
(2 reviews) #R44XL
Spark Plug from $3.49 AC Delco Conventional Spark Plug
This product is not rated #C87
Spark Plug from $3.49 AC Delco Marine Spark Plug
This product is not rated #MR43T
Spark Plug from $3.49 AC Delco Conventional Spark Plug
This product is not rated #R43XL
Spark Plug from $3.49 AC Delco Conventional Spark Plug
This product is not rated #R44F
Spark Plug from $3.49 AC Delco Conventional Spark Plug
This product is not rated #LM49
Spark Plug from $3.58 AC Delco Professional Copper Core Spark Plugs
This product is not rated #F1000575759ACD
Spark Plug from $3.59 AC Delco Professional Copper Core Spark Plugs
This product is not rated #F1000328441ACD
Spark Plug from $3.66 AC Delco Professional Copper Core Spark Plugs
This product is not rated #F1000579191ACD
Spark Plug from $3.66 AC Delco Professional Copper Core Spark Plugs
This product is not rated #F1000579491ACD
Spark Plug from $3.66 AC Delco Professional Copper Core Spark Plugs
This product is not rated #F1000605036ACD
Spark Plug from $3.67 AC Delco Professional Copper Core Spark Plugs
This product is not rated #F1000575779ACD

More AC Delco Part Categories

AC Delco Spark Plugs
AC Delco Oil Filters
AC Delco Distributor Components
AC Delco Engine Components
AC Delco Sensors
AC Delco Ignition Coil Components
AC Delco Switches
AC Delco Canister Purge Valves
AC Delco PCV Valves & Related
AC Delco Cabin Air Filters
AC Delco Spark Plug Wires
AC Delco Spark Plug Boots & Shields
AC Delco Air Filters
AC Delco Water Pumps
AC Delco Throttle Body Parts
AC Delco Brake Rotors
AC Delco Emission Hardware
AC Delco Fuel Injectors
AC Delco Starters
AC Delco AC Actuators
AC Delco Brake Pads & Shoes
AC Delco PCV Valves & Related
AC Delco AC Evaporator Motors & Related
AC Delco Fuel Injection Parts
AC Delco Fuel Filters
AC Delco Charging Components
AC Delco Brake Calipers
AC Delco Canister Purge Solenoids
AC Delco Fuel Injection Seals
AC Delco AC Tools, Hardware & Adapters
AC Delco Daytime Running Lights (DRL)
AC Delco Oxygen Sensors
AC Delco Wheel Bearings
AC Delco Blower Motor Control Units
AC Delco Thermostats
AC Delco AC Valves & Tubing
AC Delco ABS Speed Sensors
AC Delco Heater Blend Doors & Parts
AC Delco Coolant Hoses
AC Delco Oil Pans, Pumps & Parts
AC Delco Fuel Pump Components
AC Delco Tie Rod Ends & Related
AC Delco Wire Connectors
AC Delco Thermostat Housings
AC Delco Generators
AC Delco Drive Belts
AC Delco Brake Pad Components
AC Delco Ignition Components
AC Delco Transfer Case Components
AC Delco Suspension Ball Joints
AC Delco Accumulators & Receiver Driers
AC Delco Air Injection Valves
AC Delco Sway Bar Parts & Kits
AC Delco Fuel Injection Regulators
AC Delco Turn Signal Bulbs and Lights
AC Delco Seats
AC Delco Automatic Transmission Components
AC Delco Thermostat & Outlet Assemblies
AC Delco Engine Gaskets
AC Delco Fuel Pump Harnesses
AC Delco Fuel Pump Electronics
AC Delco Radiator Hoses
AC Delco Fuel Pumps
AC Delco Belt Tensioners
AC Delco Brake Boosters
AC Delco Belt Components
AC Delco Diesel Glow Plugs
AC Delco AC Hoses & Fittings
AC Delco Brake Hoses
AC Delco Brake Drums
AC Delco Sensors
AC Delco Accelerator Cables
AC Delco Idler Arms & Related
AC Delco Steering Column Components
AC Delco Brake Master Cylinders and Parts
AC Delco Engine Mount Hardware
AC Delco Radiators
AC Delco Blower Motors
AC Delco Fuel Injection Hardware
AC Delco Fuel Tank Sending Units and Components
AC Delco Lifts, Latches & Handles
AC Delco Engine Valve Components
AC Delco AC Switches & Resistors
AC Delco Door Handle & Parts
AC Delco Suspension Components
AC Delco Pitman Arms & Related
AC Delco Oxygen Sensor Components
AC Delco Washer Pumps & Repair Kits
AC Delco Steering Wheels & Related
AC Delco Connectors, Valves & Solenoids
AC Delco Fuel Injection Air Flow Meters
AC Delco Timing Chain Components
AC Delco Antennas & Accessories
AC Delco Battery Accessories
AC Delco AC Compressors
AC Delco Trunk & Tailgate
AC Delco Turbocharger Parts
AC Delco Interior Lights
AC Delco Fuel Injection Gaskets
AC Delco Blower Motor Components
AC Delco Fuel Injection Electronics
AC Delco Coolant Reservoirs & Caps
AC Delco Rack & Pinions
AC Delco Coolant Reservoirs & Caps
AC Delco Differential Covers & Gaskets
AC Delco Cooler Hoses, Clips & Lines
AC Delco Cooling Fan Components
AC Delco Manual Transmission Seals
AC Delco Oil Filter Components
AC Delco Lighting Accessories
AC Delco Axle Hubs & Gaskets
AC Delco Power Steering Pumps
AC Delco Timing Chains
AC Delco Gas Caps
AC Delco Fuel Sensors
AC Delco Oil Filters
AC Delco AC Valves & Tubing
AC Delco Center Support Bearings
AC Delco AC Condensers
AC Delco Oil Cooler Parts
AC Delco Power Steering Pulleys
AC Delco Power Steering Hoses
AC Delco Camshaft Hardware
AC Delco CV Joint Components
AC Delco Flashers
AC Delco Crankshaft Seals
AC Delco Turbocharger Gaskets & Seals
AC Delco Control Modules & Connectors
AC Delco Heater Cores & Seals
AC Delco ABS Harnesses & Connectors
AC Delco Miscellaneous Coolant Parts
AC Delco EGR Valve Parts & Accessories
AC Delco Wipers & Washer Parts
AC Delco Dashboard & Console
AC Delco Engine Wiring
AC Delco AC Clutches
AC Delco Pedals
AC Delco Seals & O-Rings
AC Delco Lifts, Latches & Handles
AC Delco Exhaust System Gaskets
AC Delco Axle Shafts
AC Delco AC Fan Motors
AC Delco Battery Cables and Accessories
AC Delco Trailer & Towing
AC Delco Windshield Wiper Motors
AC Delco Engine Computers
AC Delco Power Steering Reservoirs
AC Delco Relays
AC Delco Heater Valves & Related
AC Delco Pressure Side Switches
AC Delco Fuel Pump Seals
AC Delco Back-Up and Reverse Lights
AC Delco Intake Manifolds
AC Delco Headlamps, Headlights & Parts
AC Delco Radiator Fan Clutch
AC Delco Torque & Impact Wrenches
AC Delco Brake Wheel Cylinders and Parts
AC Delco Fuel Pump Hoses
AC Delco Brake, Stop, and Tail Lights
AC Delco Electrical Harness Wire
AC Delco Differential Bearings
AC Delco Coolant Sensors
AC Delco Brake Hardware
AC Delco ABS Control Modules
AC Delco Radiator Fan Motors
AC Delco Timing Belt Components
AC Delco Brake Caliper Components
AC Delco Fuel Injection Idle Air Parts
AC Delco ABS Switches, Sensors & Relays
AC Delco Air Injection Pipes & Tubes
AC Delco Water Pump Pulleys
AC Delco Intake Manifold Components
AC Delco Struts & Shock Absorbers
AC Delco Roof Tops, Parts & Racks
AC Delco Alternator Connectors
AC Delco Oil Pans
AC Delco Cooling & Heating
AC Delco Fuel Tanks Hardware
AC Delco License Plate Lights
AC Delco Headlight Bulbs and Assemblies
AC Delco Parking Lights and Bulbs
AC Delco Engine Mounts
AC Delco Cruise Control Switches
AC Delco Cooling Fan Blades
AC Delco Water Pump Gaskets
AC Delco Smog Pumps & Pulleys
AC Delco AC Evaporators
AC Delco Axle Shaft Components
AC Delco Windshield Wiper Blades
AC Delco EGR Valves
AC Delco Engine Control
AC Delco Radiators Caps
AC Delco Strut Mounts
AC Delco Coolant Pipes & Accessories
AC Delco Timing Cover Components
AC Delco Wheel Seals
AC Delco Shock Absorber Mounts
AC Delco Radiator Hardware
AC Delco Hoses
AC Delco Brake Servos & Sensors
AC Delco U-Joints
AC Delco Fuel Filter Components
AC Delco Exhaust Gaskets
AC Delco Parking Brake Parts
AC Delco Gasket Sets
AC Delco Thermostat Seals
AC Delco Line Assemblies & Connectors
AC Delco Transmission & Drivetrain
AC Delco Dome Lights and Bulbs
AC Delco Output Shaft Components
AC Delco Oil Cooler Seals
AC Delco Exterior Lights & Bulbs
AC Delco Balance Shaft Chain Parts
AC Delco Air Filters Components
AC Delco Oil Coolers
AC Delco Receiver Drier Elements
AC Delco Window Motors & Parts
AC Delco Side Marker Lamps & Lights
AC Delco Control Arms and Components

AC Delco Spark Plug FAQs

Q: What are the lowest-priced AC Delco spark plugs parts?

A: The lowest priced AC Delco spark plugs parts we carry are:

Q: What AC Delco spark plugs parts are the best?

A: The AC Delco spark plugs parts with the highest ratings are:
  • Iridium Spark Plug (Part #41-109) has a 5 star rating with 78 reviews and starts at just $11.99.
  • Iridium Spark Plug (Part #41-121) has a 5 star rating with 37 reviews and starts at just $11.99.

Q: What is the most popular AC Delco spark plug part?

A: The Iridium Spark Plug (Part #41-162) is the most popular part on AdvanceAutoParts.com. It starts at $11.99.

Q: Are there any reviews of AC Delco spark plugs parts?

A. See some of the most-reviewed AC Delco spark plugs parts below:

Q: Can I buy AC Delco spark plugs parts and other AC Delco parts near me?

A: Absolutely! AC Delco spark plugs and other parts are available here on AdvanceAutoParts.com, or at a local Advance Auto Parts or CarQuest store near you. Find your nearest store here >>.

Q: Are AC Delco spark plugs a good buy?

A: Definitely. The 191 AC Delco brand spark plugs in stock at Advance Auto Parts have 1,432 customer reviews and 191 ratings to help you decide.