15% OFF ORDERS $35+ | 20% OFF $100+ | ONLINE ONLY
USE CODE
HOLIDAYSAVE
*
Exclusions apply.
Advance Auto Parts Logo
Choose a Store
  • Shop All
  • Replacement Parts
  • Performance Parts
  • Accessories
  • Oil & Fluids
  • Special Offers
  • Speed Perks
  • Advice & How-Tos
  • Project Guides
  • FAQ / Help Desk
Loading...
Share
Product thumb
Product thumb
Product main large
Loading...
How Would You Like To Get This Item?

Store Pickup

Loading...Loading...Loading...

Same Day Home Delivery

Loading...Loading...Loading...

Home Delivery

Loading...Loading...Loading...
Loading...
Loading...
Loading...Loading...Loading...Loading...Loading...

Product Information

Product Details
Part No. 444
Warranty Details (30 DAY REPLACEMENT IF DEFECTIVE)
The Copper Plus spark plug delivers dependable performance and durability, making it an ideal OE-type replacement for small engines. Featuring a copper core center electrode, it ensures accurate heat range control for extended lifespan while resisting fouling for consistent operation. Built to ISO and SAE Standards, this spark plug offers superior corrosion resistance and reliable functionality under various conditions. Its nickel center and ground electrode tips, combined with a flat seat type, provide consistent performance and enhanced conductivity. Designed for durability and proven performance, this standard replacement spark plug is a cost-effective solution for maintaining engine efficiency and reliability.

Product Features:
  • Copper Plus - Dependable Performance and Durability
  • OE type replacement plug
  • Resists fouling
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Consistent Performance: Equipped with a nickel center electrode tip material and a flat seat type, this spark plug ensures consistent performance in small engines.
Specifications
Center Electrode Design:
Standard

Center Electrode Diameter (Inch):
0.1 in

Center Electrode Tip Material:
Nickel

Electrical Terminal Type:
Non-Removable Nut

Grade Type:
Standard Replacement

Ground Electrode Core Material:
Nickel

Ground Electrode Material:
Nickel Copper Alloy

Ground Electrode Quantity:
1

Ground Electrode Tip Material:
Nickel

Hex Size:
0.625 in

Hex Type:
Hex

Indexed:
No

Installed Height (Inch):
1.99 in

Insulator Height:
0.06 in

Manufacturer Heat Range:
7

Part Description:
Spark Plug

Pre-Gap Size:
0.035 in

Reach:
0.75 in

Resistor Type:
Yes

Seat Type:
Flat

Thread Diameter:
0.551 in

Washer Type:
Crush

Washer(s) Included:
Yes
Loading...
Loading...Loading...Loading...Loading...Loading...
Loading...
Loading...
Loading...Loading...Loading...Loading...Loading...
No results
Loading...
Loading...Loading...Loading...Loading...Loading...
Feedback
Be The First To Know About Deals And Promotions.
Plus, create an account to receive $5 off of $20 or more.
TOP REPLACEMENT PARTS
Brake Pads & Shoes
Brake Rotors
Alternators
Water Pumps
Starters
Brake Calipers

Order Lookup

Help Desk

Store Locator

In Store Services

Mobile App

CUSTOMER SUPPORT
Accessibility Statement
Contact Us
Forgot Password
Help Desk
In Store Pickup
In Store Services
Order Tracking
Recall Information
Return Policy
Same Day Delivery
© 2025 Advance Auto Parts
Privacy Policy
Terms of Use
Site Map
ADVANCING A WORLD IN MOTION®